New South Wales in September 2020: warm across the state

September daytime and night-time temperatures were generally above average across New South Wales. For the state as a whole, September monthly mean and minimum temperatures were both fourth warmest on record. September rainfall was above average in the west, but average to below average in coastal areas.

Above average rainfall in the west

  • September rainfall was above average for much of western New South Wales, but below average in southern and north-eastern coastal areas.
  • For the state as a whole, rainfall was around 7% below the historical average, although it was the wettest September since 2016.
  • A trough of low pressure brought widespread totals of 25 to 50 mm to much of the west on the 19th and 20th.
  • Rainfall from this system was the most significant for the region since March, and saw the highest September totals since 2016.
  • Two sites had their highest September daily rainfall on record.

Warm across the state

  • Both daytime and night-time temperatures were above average to very much above average for almost all of the state except for parts of the Central and South West Slopes.
  • For the state as a whole, the mean maximum temperature was 2.32 °C above the historical average, the 11th warmest September on record.
  • The state-average minimum and mean temperatures were 2.13 °C and 2.22 °C above average respectively; both were the fourth warmest Septembers on record and the warmest since 2013.
  • North-westerly flow in the middle of the month brought particularly warm conditions to the north-east.
  • Maximum temperatures on the 21st were 6 to 10 °C above average across most of the north-east, while on the 22nd some sites reported their warmest September night on record.
  • The warmer nights resulted in some sites having their highest September mean daily minimum temperature on record or their highest September mean daily minimum temperature for at least 20 years.

A cold blast at the end of the month

  • A strong cold front on over the 25th to 26th brought a cold outbreak with damaging winds and some snow.
  • Maximum temperatures on the 25th were 6 to 10 °C below average over the Riverina and South West Slopes.
  • The cold outbreak was unusually late in the year, that saw two sites have their coldest September day on record.
  • On the 25th damaging winds were observed through parts of the Illawarra, Central Tablelands, Southern Tablelands and Sydney Metropolitan area.
  • Some snow was reported in the ranges, including at Orange, Oberon and Barrington Tops.
  • The system brought 15 to 50 mm of rain to the South West slopes over the 25th to 26th.

Further information

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Extremes in September 2020
Hottest day 34.7 °C at Menindee Post Office on the 8th
34.7 °C at Wilcannia Aerodrome AWS on the 8th
Warmest days on average 27.3 °C at Bourke Airport AWS
27.3 °C at Brewarrina Hospital
27.3 °C at Mungindi Post Office
Coolest days on average 4.8 °C at Thredbo AWS
Coldest day -3.4 °C at Thredbo AWS on the 26th
Coldest night -8.1 °C at Perisher Valley AWS on the 1st
-8.1 °C at Thredbo AWS on the 26th
Coolest nights on average -1.1 °C at Thredbo AWS
Warmest nights on average 16.2 °C at Byron Bay (Cape Byron AWS)
Warmest night 22.1 °C at Noona AWS on the 18th
Warmest on average overall 20.1 °C at Tibooburra Airport
Coolest on average overall 1.9 °C at Thredbo AWS
Wettest overall 139.4 mm at Careys Peak (Barrington Tops)
Wettest day 68.0 mm at Meldrum (Coolawarrah) on the 11th
Strongest wind gust 128 km/h at Thredbo AWS on the 8th

Maps
ObservedAnomalyDecile rank
Total
rainfall
Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures
Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures
Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

Click on a map to show it full size in a pop-up window


Record highest September daily rainfall
New record
(mm)
Old
record
Years of
record
Wentworth (Scotia Sanctuary) 35.6 on the 20th 31.2 on the 4th in 2010 24
Wilcannia Aerodrome AWS 43.8 on the 20th 42.2 on the 3rd in 2016 21



Record lowest September daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
September
Narrandera Airport AWS 11.4 on the 25th = 11.4 on the 16th in 2010 25 20.0
West Wyalong Airport AWS 9.6 on the 25th 11.2 on the 1st in 2003 22 20.5



Record highest September mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
September
Tumbarumba Post Office 18.2 = 18.2 in 2006 54 15.4



Record highest September daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
September
Pindari Dam 17.1 on the 22nd 17.0 on the 23rd in 2008 49 6.2
Murwillumbah (Bray Park) 21.1 on the 22nd = 21.1 on the 23rd in 2009 43 11.4
Ballina Airport AWS 20.5 on the 22nd 20.1 on the 30th in 1996 28 11.5
Port Macquarie Airport AWS 19.2 on the 22nd 18.6 on the 29th in 2004 26 9.3
Badgerys Creek AWS 17.0 on the 22nd = 17.0 on the 24th in 2017 25 7.7
Canterbury Racecourse AWS 19.5 on the 22nd 18.5 on the 20th in 2006 24 9.3
Taree Airport AWS 18.2 on the 22nd 18.0 on the 29th in 2005 24 9.3
Merimbula Airport AWS 16.6 on the 20th 16.0 on the 6th in 2012 23 6.8
Kempsey Airport AWS 19.4 on the 22nd 17.3 on the 9th in 2013 20 8.1



Record highest September mean daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
September
Ulladulla AWS 12.2 12.0 in 2013 28 10.8

Highest September mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
September
Peak Hill Post Office 10.6 11.1 in 1965* 7.9
Badgerys Creek AWS 9.4 9.5 in 1998 7.7
Braidwood Racecourse AWS 4.9 5.7 in 1998 3.2
Brewarrina Hospital 10.9 12.2 in 1998 8.9
Collarenebri (Albert St) 10.5 12.7 in 1998 8.8
Dunedoo Post Office 7.8 7.9 in 1998 5.8
Richmond RAAF 9.4 10.0 in 1998 7.9
Tuggeranong (Isabella Plains) AWS 5.0 5.5 in 1998 3.7
Cobar Airport AWS 10.5 10.8 in 1999 7.7

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported




Highest September mean temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
September
Lake Cargelligo Airport 16.3 =16.3 in 1965* 14.3

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported




Summary statistics for September 2020
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
September
2020
Diff
from
average
Highest for
September
2020
Mean for
September
2020
Diff
from
average
Lowest for
September
2020
Total for
September
2020
Average
for
September
Rank of
September
2020
Fraction of
September
average
Western (Far Northwest) (district 46)
Fowlers Gap AWS 24.8 +0.8 34.0 8th 10.8 +1.7 1.3 1st 38.6 16.8 high 230%
Smithville AWS 26.3   34.3 17th 12.1   2.7 1st 38.4
Tibooburra Airport 26.8 +1.2 33.5 17th 13.4 +1.8 5.5 1st 44.4 18.5 high 240%
White Cliffs AWS 25.8 +1.3 33.6 17th 12.5 +1.9 4.5 26th 19.8 16.5 average 120%
Wilcannia Aerodrome AWS 25.2 +0.7 34.7 8th 9.6 +1.4 -0.5 1st 49.4 18.2 v high 271%
Western (Lower Darling) (district 47)
Broken Hill Airport AWS 22.8 +1.0 32.2 17th 10.3 +1.9 2.9 1st 42.4 21.3 high 199%
Lake Victoria Storage 21.8 +1.3 29.0 16th 9.4 +1.3 3.5 10th 45.3 24.4 high 186%
Menindee Post Office 24.5 +1.6 34.7 8th 9.9 +1.8 1.5 1st 39.9 18.9 high 211%
Mulurulu AWS 23.2   32.8 8th 9.0   -1.7 1st 30.4
Pooncarie Mail Agency 23.7 +0.3 32.6 17th 9.4 +1.6 1.5 1st 40.4 21.7 high 186%
Western (Upper Darling) (district 48)
Bourke Airport AWS 27.3 +1.5 33.1 17th 11.3 +2.1 3.6 27th 20.0 17.0 average 118%
Brewarrina Hospital 27.3 +2.4 32.9 17th 10.9 +2.0 2.1 27th 16.8 24.7 average 68%
Cobar Airport AWS 24.6 +1.5 32.2 17th 10.5 +2.8 -0.3 1st 39.6 29.3 high 135%
Cobar MO 25.0 +2.9 33.5 17th 10.5 +1.4 2.9 1st 26.0 24.6 high 106%
Collarenebri (Albert St) 26.8 +1.8 31.7 17th 10.5 +1.7 2.3 1st 28.2 25.8 average 109%
Noona AWS 24.8   33.5 17th 12.0   3.5 1st 37.8
Wanaaring (Delta AWS) 26.7   33.2 21st 11.4   1.9 1st 22.8
Wanaaring Post Office 27.0 +1.3 33.4 17th 11.2 +2.2 3.5 27th 21.2 14.6 high 145%
Western (Southwest Plains) (district 49)
Balranald (RSL) 22.1 +1.2 31.0 18th 8.5 +1.4 -0.4 1st 37.7 29.0 high 130%
Euabalong (Mount Hope AWS) 23.6   33.6 17th 7.2   -2.7 1st 35.4
Ivanhoe Aerodrome AWS 23.9 +0.9 33.4 17th 10.3 +1.6 2.5 1st 34.4 18.4 v high 187%
Central Western Plains (South) (district 50)
Condobolin Ag Research Stn 21.7 +1.0 29.6 17th 6.4 +0.6 -1.1 1st 49.8 31.9 high 156%
Condobolin Airport AWS 21.5 +0.1 29.7 17th 5.9 -0.1 -1.8 1st 48.4 37.0 high 131%
Peak Hill Post Office 22.8 +2.1 29.0 17th 10.6 +2.7 1.3 1st 32.0 38.8 average 82%
West Wyalong Airport AWS 20.7 +0.2 30.1 17th 6.4 +0.8 -0.4 1st 35.4 34.7 average 102%
Central Western Plains (North) (district 51)
Coonamble Airport AWS 24.5 +0.7 29.6 17th 8.6 +1.3 0.5 27th 22.4 31.4 average 71%
Girilambone (Okeh) AWS 25.2   31.6 17th 9.4   3.4 27th 33.4
Trangie Research Station AWS 23.5 +2.3 30.2 17th 8.1 +1.7 1.1 1st 40.0 31.6 average 127%
Walgett (Brewon AWS) 27.0   31.9 17th 9.6   0.3 1st 21.4
Northwest Plains (West) (district 52)
Mungindi Post Office 27.3 +2.1 31.2 17th 10.9 +1.6 3.4 27th 29.2 27.2 average 107%
Walgett Airport AWS 26.1 +0.8 31.2 17th 9.1 +1.2 0.9 1st 21.8 24.2 average 90%
Northwest Plains (East) (district 53)
Moree Aero 25.7 +1.0 29.6 18th 10.2 +1.3 1.4 1st 20.8 32.1 average 65%
Northwest Slopes (North) (district 54)
Barraba (Clifton Lane) 22.7 +1.0 27.2 18th 3.8 -0.4 -2.6 27th 25.8 43.5 average 59%
Narrabri Airport AWS 24.9 +0.7 29.3 18th 8.9 +0.8 0.7 27th 29.0 30.9 average 94%
Northwest Slopes (South) (district 55)
Gunnedah Airport AWS 24.5 +1.0 28.2 21st 6.8 +1.1 -2.3 27th 22.4 39.1 average 57%
Quirindi Post Office 23.3 +1.6 28.0 21st 6.0 +0.9 -1.2 27th 39.2 46.3 average 85%
Tamworth Airport AWS 23.3 +1.3 28.1 21st 6.6 +0.8 -1.9 27th 26.8 43.1 average 62%
Woolbrook (Woolbrook Road) 18.6 +0.7 23.0 21st 5.1 +3.1 -5.2 27th 28.6 54.0 low 53%
Northern Tablelands (West) (district 56)
Armidale (Tree Group Nursery) 18.9 +0.2 24.5 21st 3.4 +0.7 -3.0 27th 34.8 43.9 average 79%
Armidale Airport AWS 17.7 0.0 24.3 21st 5.4 +0.7 -1.8 27th 35.4 49.6 average 71%
Glen Innes Ag Research Stn       5.1 +1.0 -1.5 27th 21.2 53.7 low 39%
Glen Innes Airport AWS 18.5 0.0 24.7 21st 2.5 0.0 -6.1 27th 20.4 55.5 low 37%
Guyra Hospital 16.3 +0.7 21.7 21st 4.3 +0.4 -2.6 27th 40.6 56.4 average 72%
Inverell (Raglan St) 22.2 +0.3 25.9 9th 4.7 +0.7 -2.6 27th 38.5 50.1 average 77%
Inverell Research Centre 21.5 +1.4 25.7 21st 8.0 +0.9 1.1 27th 30.4 47.3 average 64%
Tenterfield (Federation Park) 19.8 +0.3 26.9 21st 4.4 -0.2 -3.8 27th 11.8 49.8 low 24%
Northern Tablelands (East) (district 57)
Tabulam (Muirne) 21.8 +0.1 29.4 21st 11.4 +0.9 5.8 27th 22.4 38.1 average 59%
Upper North Coast (district 58)
Ballina Airport AWS 23.3 -0.3 28.2 21st 12.7 +1.2 5.0 27th 45.8 64.3 average 71%
Byron Bay (Cape Byron AWS) 22.5 +0.4 26.0 23rd 16.2 +0.9 12.1 28th 27.2 50.5 average 54%
Casino Airport AWS 25.7 -0.1 32.2 22nd 9.8 -0.6 1.7 27th 29.2 33.3 average 88%
Evans Head RAAF Bombing Range AWS 24.1 -0.1 30.8 21st 13.8 +0.5 9.5 27th 65.0 49.6 high 131%
Grafton Airport AWS 24.9 0.0 32.0 22nd 10.3 +0.6 2.3 27th 22.0 43.0 low 51%
Grafton Research Stn 25.5 +0.3 32.2 21st 11.5 +1.1 7.1 25th 16.4 41.9 low 39%
Lismore Airport AWS 24.9 -0.9 31.7 21st 9.5 -0.2 1.4 27th 42.4 38.5 average 110%
Murwillumbah (Bray Park) 24.6 -0.5 29.9 21st 12.4 +1.0 4.0 27th 27.2 39.7 average 69%
Yamba Pilot Station 23.3 +1.3 28.5 23rd 14.8 +1.8 10.9 27th 57.8 58.9 average 98%
Lower North Coast (district 59)
Coffs Harbour Airport 23.3   31.3 22nd 12.3   3.2 27th 60.8
Dorrigo (Old Coramba Rd) 19.1 -0.2 26.0 21st 7.9 +0.3 0.5 27th 82.6 78.0 average 106%
Kempsey Airport AWS 24.3 -0.2 31.8 22nd 9.2 +1.1 0.9 27th 39.6 39.7 average 100%
Manning (district 60)
Port Macquarie Airport AWS 23.4 +0.7 32.2 22nd 10.1 +0.8 2.3 27th 49.6 58.8 average 84%
Taree Airport AWS 23.6 +0.5 29.8 22nd 10.1 +0.8 4.3 29th 31.0 46.5 average 67%
Yarras (Mount Seaview) 24.1 +0.6 30.2 4th 10.6 +1.9 6.2 27th 84.6 72.7 average 116%
Hunter (district 61)
Cessnock Airport AWS 23.0 +0.4 29.2 17th 8.6 +1.6 2.9 2nd 31.0 43.9 average 71%
Cooranbong (Lake Macquarie AWS) 22.8 +0.1 30.0 17th 8.4 +0.5 2.9 2nd 31.4 55.0 average 57%
Gosford AWS 22.1   29.7 17th 10.4   5.5 28th 50.2
Mangrove Mountain AWS 21.7 +1.1 29.1 17th 9.6 +0.4 3.5 27th 40.0 65.3 average 61%
Merriwa (Roscommon) 21.2 -0.6 27.0 21st 5.9 +0.7 -0.1 28th 43.0 38.4 average 112%
Murrurundi (Haydon Street) 22.4   27.9 21st     1.8 3rd 37.2
Murrurundi Gap AWS 18.4 0.0 23.3 21st 8.7 +0.1 1.6 26th 37.8 43.5 average 87%
Nelson Bay (Nelson Head) 22.0 +0.6 26.3 17th 14.1 +2.1 11.3 27th 29.1 89.1 low 33%
Newcastle Nobbys Signal Station AWS 21.9 +1.6 29.0 17th 13.8 +2.3 8.5 26th 24.4 71.6 low 34%
Newcastle University 23.8 +1.1 30.0 17th 11.5 +0.8 6.3 2nd 25.2 65.9 low 38%
Norah Head AWS 22.3 +1.2 29.7 17th 13.6 +0.8 8.6 27th 37.8 61.2 average 62%
Paterson (Tocal AWS) 23.3 +0.8 29.5 17th 9.8 +0.8 3.6 29th 34.6 48.2 average 72%
Scone Airport AWS 22.6 +0.4 28.8 21st 7.2 +0.5 0.2 29th 24.6 33.3 average 74%
Singleton Defence AWS 22.8   28.9 17th 10.7   5.4 27th 37.0
Williamtown RAAF 23.2 +1.7 30.0 17th 9.7 +0.6 3.4 29th 28.0 60.1 average 47%
Central Tablelands (North) (district 62)
Mudgee Airport AWS 19.9 +0.2 25.5 21st 5.7 +1.4 -0.2 28th 63.0 54.4 average 116%
Nullo Mountain AWS 14.4 +0.1 20.3 17th 6.2 +0.6 -0.7 26th 62.8 70.0 average 90%
Central Tablelands (South) (district 63)
Bathurst Agricultural Station 17.7 +1.2 23.8 21st 4.0 +0.6 -2.0 28th 60.6 47.1 high 129%
Bathurst Airport AWS 17.6 +0.4 23.8 21st 4.6 +1.0 -1.2 28th 73.0 47.6 high 153%
Katoomba (Farnells Rd) 16.4 +1.8 22.9 22nd 6.0 +0.6 -0.3 26th 64.4 71.3 average 90%
Lithgow (Cooerwull) 16.2 -0.1 22.6 21st 5.4 +1.8 -1.7 28th 54.5 55.7 average 98%
Marrangaroo (Defence) 16.3   23.0 17th 4.6   -2.5 28th 59.2
Mount Boyce AWS 15.5 +0.7 22.1 21st 6.3 +0.9 -0.4 26th 52.0 54.5 average 95%
Oberon (Albion St) 15.3 +1.5 21.8 8th 3.0 +0.7 -4.0 28th 89.0 66.9 high 133%
Orange Airport AWS 15.2 +0.3 21.3 21st 4.0 +0.8 -2.7 28th 70.8 78.0 average 91%
Springwood (Valley Heights) 21.2 -0.1 29.9 17th 10.1 +0.7 5.3 28th 35.4 54.7 average 65%
Central Western Slopes (North) (district 64)
Coonabarabran (Showgrounds) 21.4 +1.0 26.5 17th 5.4 +1.9 -1.0 27th 34.7 50.1 average 69%
Coonabarabran Airport AWS 20.1 +0.2 25.3 17th 9.1 +0.2 2.5 26th 36.0 47.1 average 76%
Dunedoo Post Office 22.3 +1.4 29.2 17th 7.8 +2.0 1.3 1st 48.3 42.9 average 113%
Central Western Slopes (South) (district 65)
Cowra Airport AWS 20.1 +0.2 27.1 21st 5.1 +1.1 -0.8 28th 37.4 41.2 average 91%
Dubbo Airport AWS 22.1 +0.7 28.0 17th 7.2 +1.2 -0.5 27th 47.6 41.7 average 114%
Forbes Airport AWS 20.9 +0.3 28.0 17th 6.1 +0.9 -0.4 1st 77.8 40.6 high 192%
Parkes Airport AWS 20.0 -0.2 25.5 17th 5.6 +1.1 -1.2 1st 26.2 43.4 average 60%
Wellington (D&J Rural) 21.9 +1.1 28.0 17th 6.4 +1.1 1.0 28th 37.6 44.6 average 84%
Metropolitan (East) (district 66)
Bankstown Airport AWS 22.9 +1.2 31.5 17th 10.0 +1.3 5.3 2nd 31.0 44.4 average 70%
Canterbury Racecourse AWS 22.0 +0.1 30.9 17th 9.9 +0.6 5.2 2nd 35.8 48.1 average 74%
Holsworthy Aerodrome AWS 22.2   30.9 17th 9.6   4.4 28th 29.6
Parramatta North (Masons Drive) 22.5 +0.8 30.8 17th 10.0 +0.7 5.5 2nd 29.6 49.8 average 59%
Sydney (Observatory Hill) 22.7   31.7 17th 13.1   8.8 28th
Sydney Airport AMO 23.0 +2.3 33.3 17th 12.9 +2.3 9.6 28th 29.0 59.7 average 49%
Sydney Harbour (Wedding Cake West) 20.5 +0.7 30.0 17th 14.2 +0.9 10.8 26th
Sydney Olympic Park AWS (Archery Centre) 23.2   32.0 17th 10.4   5.6 28th 33.4 46.4 average 72%
Terrey Hills AWS 20.7 0.0 29.8 17th 11.5 +0.4 6.7 27th 44.0 60.4 average 73%
Metropolitan (West) (district 67)
Badgerys Creek AWS 23.0 +0.4 30.4 17th 9.4 +1.7 4.1 2nd
Horsley Park Equestrian Centre AWS 22.4 0.0 30.9 17th 9.9 +0.7 5.0 28th 26.2 37.1 average 71%
Penrith Lakes AWS 23.7 +0.4 32.2 17th 9.8 +0.5 4.2 27th 26.6 32.4 average 82%
Richmond RAAF 23.1 +0.2 30.9 17th 9.4 +1.5 3.3 27th 23.0 43.8 average 53%
Illawarra (district 68)
Albion Park (Shellharbour Airport) 21.6 +0.3 31.1 3rd 9.6 +1.1 3.7 28th 23.6 41.8 low 56%
Bellambi AWS 20.8 +0.7 29.5 17th 13.1 +0.7 8.2 28th 18.0 54.8 low 33%
Camden Airport AWS 22.5 +0.4 30.4 17th 7.9 +1.1 2.6 2nd 36.4 38.4 average 95%
Campbelltown (Mount Annan) 22.5 0.0 30.6 17th 8.0 +0.6 3.1 2nd 31.4 33.0 average 95%
High Range AWS (Wanganderry) 16.1   23.3 17th 7.3   1.0 26th 25.4
Holsworthy Defence AWS 21.7   30.8 17th 9.2   4.6 28th 32.6
Jervis Bay (Point Perpendicular) 19.9 +0.7 28.6 3rd 12.9 +1.0 9.0 26th 27.8 56.7 low 49%
Jervis Bay NSW (Jervis Bay Airfield AWS) 20.3   29.4 3rd 11.1   7.4 1st 19.0
Kiama (Bombo Headland) 20.4 +0.2 30.4 3rd 12.7 +0.6 9.1 26th 24.0 50.5 low 48%
Moss Vale AWS 17.3 +0.6 25.3 17th 6.3 +1.0 -0.8 28th 23.4 36.8 average 64%
Nowra RAN Air Station AWS 22.1 +1.0 29.9 21st 9.7 +1.0 4.9 25th 19.8 40.7 low 49%
South Coast (district 69)
Bega AWS 21.4 +1.3 29.7 3rd 6.7 +0.7 -0.6 1st 7.0 33.1 lowest 21%
Braidwood Racecourse AWS 17.2 +0.6 23.7 21st 4.9 +1.7 -3.1 28th 26.0 49.0 low 53%
Green Cape AWS 17.7 0.0 21.5 22nd 11.3 +0.5 7.2 1st 11.2 36.3 low 31%
Merimbula Airport AWS 19.5 +0.1 28.3 3rd 7.6 +0.8 1.8 28th 8.8 40.9 v low 22%
Montague Island Lighthouse 18.7 +1.1 26.4 3rd 12.8 +1.4 8.8 1st 12.2 55.2 low 22%
Moruya Airport AWS 21.0 +0.7 30.2 21st 8.4 +1.6 2.4 28th 15.4 38.2 low 40%
Moruya Heads Pilot Station 19.9 +1.2 28.5 21st 10.8 +2.4 5.6 1st 15.6 58.8 low 27%
Narooma (Marine Rescue) 19.5 +1.1 28.3 3rd 10.6 +1.5 4.6 1st 23.2 57.7 low 40%
Nerriga AWS 17.9   23.8 21st 6.6   0.3 28th 18.4
Ulladulla AWS 20.5 +1.3 29.3 21st 12.2 +1.4 8.2 1st 15.4 70.4 v low 22%
Southern Tablelands (Goulburn-Monaro) (district 70)
Bombala (Therry Street) 18.2 +2.4 25.7 21st 2.9 +0.7 -3.4 28th 12.0 44.0 v low 27%
Bombala AWS 16.2 +1.0 24.2 21st 3.3 +0.5 -2.7 1st 7.4 33.0 v low 22%
Canberra Airport 17.6 -0.5 23.8 21st 4.7 +1.7 -1.3 28th 40.4 47.6 average 85%
Cooma Airport AWS 16.2 +1.1 22.4 21st 2.0 +1.0 -6.7 1st 14.2 36.0 low 39%
Cooma Visitors Centre 17.0 +0.7 24.6 21st 1.5 +0.4 -6.1 1st 17.4 33.7 low 52%
Goulburn Airport AWS 17.4 +0.8 24.2 21st 3.7 +0.7 -2.9 6th 31.0 44.0 low 70%
Goulburn TAFE 17.2 +0.7 24.3 21st 5.9 +1.3 -0.9 28th 47.4 47.9 average 99%
Mount Ginini AWS 8.4 -0.2 15.9 17th 1.2 +1.0 -6.9 26th 101.6 86.1 average 118%
Taralga Post Office 17.0 +2.0 23.5 21st 4.1 +1.0 -3.0 6th 44.7 61.3 average 73%
Tuggeranong (Isabella Plains) AWS 17.6 -0.1 23.7 17th 5.0 +1.3 -1.6 28th 33.6 57.3 average 59%
Southern Tablelands (Snowy Mountains) (district 71)
Perisher Valley AWS 7.6 +0.8 14.6 17th -0.1 +1.2 -8.1 1st 117.4 177.3 low 66%
Thredbo AWS 4.8 +1.6 10.3 17th -1.1 +1.8 -8.1 26th 54.2 138.3 low 39%
Thredbo Village     16.8 21st 0.9 +1.4 -7.8 1st 75.9 202.7 v low 37%
Southwest Slopes (South) (district 72)
Albury Airport AWS 18.9 +0.9 24.5 19th 6.5 +0.9 0.6 1st 32.6 53.8 average 61%
Hume Reservoir 18.7 +1.3 24.2 8th 7.4 +0.7 0.8 1st 32.6 60.4 low 54%
Tumbarumba Post Office 18.2 +2.8 23.5 17th 4.4 +1.4 -2.5 1st 77.4 89.8 average 86%
Wagga Wagga AMO 19.2 +1.5 25.9 17th 6.7 +1.6 0.0 28th 56.4 48.9 average 115%
Southwest Slopes (North) (district 73)
Burrinjuck Dam 18.3 +1.5 25.0 21st 7.0 +1.4 1.5 28th 80.4 83.0 average 97%
Cootamundra Airport 18.9 +0.6 26.0 21st 4.9 +1.5 -1.8 28th 46.4 50.6 average 92%
Grenfell (Manganese Rd) 19.3 +0.8 26.2 21st 6.0 0.0 -0.2 1st 29.0 50.2 average 58%
Gundagai (Nangus Rd) 19.9 +1.4 27.0 21st 6.2 +1.1 0.2 1st 62.4 56.9 average 110%
Temora Airport 19.4 -0.1 27.0 17th 4.8 +1.4 -2.3 28th 41.2 39.3 high 105%
Young Airport 18.7 +0.7 25.5 21st 3.9 +1.0 -2.0 28th 28.0 48.7 average 57%
Riverina (East) (district 74)
Corowa Airport 19.0 +0.5 24.5 8th 6.7 +1.0 -1.0 1st 40.4 47.7 average 85%
Deniliquin Airport AWS 20.4 +0.5 28.0 8th 6.2 +0.3 -1.5 1st 18.8 32.9 average 57%
Kapooka (Defence) 19.4   26.7 17th 5.9   -1.2 28th 49.2
Narrandera Airport AWS 21.6 +1.6 29.2 17th 6.4 +0.7 -1.5 1st 29.2 34.9 average 84%
Tocumwal Airport 19.6 +0.7 26.1 8th 7.1 +0.9 -0.4 1st 35.4 38.8 average 91%
Yanco Agricultural Institute 21.7 +1.2 29.2 17th 8.4 +0.8 0.7 1st 21.4 34.8 average 61%
Riverina (West) (district 75)
Griffith Airport AWS 22.4 +2.3 30.6 8th 7.6 +1.8 -2.1 1st 38.4 32.7 average 117%
Hay Airport AWS 22.5 +0.7 31.2 8th 6.9 +0.6 -1.9 1st 25.0 22.1 high 113%
Hillston Airport 22.9 +2.1 32.0 17th 8.2 +1.1 -1.0 1st 44.4 28.3 high 157%
Lake Cargelligo Airport 23.1 +1.6 32.2 17th 8.5 +1.4 1.1 1st 46.6 31.6 high 147%
Note: From 2017, information about Lord Howe and Norfolk Islands can be found in the climate summary for the Remote Islands and Antarctica

Notes

The Monthly climate summary, generally published on the first working day of each month, lists the main features of the weather in New South Wales using the most timely and accurate information available on the date of publication; it will generally not be updated. More extensive discussion of significant weather events, along with later information and data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.

This statement has been prepared based on information available at 11 am on Thursday 1 October 2020. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.

Averages for individual sites are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 10 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.

Further information

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