South Australia in September 2017: wet in the north; warmer than average

Rain across the State's north towards the end of the month resulted in South Australia as a whole having above average September rainfall. Monthly totals were very much above average across northern pastoral districts, but remained below average south of Lake Eyre and east of Ceduna. Daytime temperatures during September were warmer than average for all but the far southeast of the State.

Late rain in the north

Warmer than average

  • South Australia's mean temperature was 1.51 °C warmer than average
  • Daytime temperatures were warmer than average for all but the far southeast
  • Overnight temperatures were warmer than average in most areas, but tended to be average to below average around Port Augusta and in parts of the far east of the State
  • South Australia had its fifth-warmest September day on record on the 22nd, with the mean maximum temperature reaching 35.59 °C compared to the September record of 36.46 °C from 24 September 1990.

Further information

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Extremes in September 2017
Hottest day 40.5 °C at Moomba Airport on the 27th
Warmest days on average 28.0 °C at Oodnadatta Airport
Coolest days on average 12.9 °C at Mount Lofty
Coldest day 6.5 °C at Mount Lofty on the 4th
Coldest night -2.3 °C at Renmark Aero on the 17th
Coolest nights on average 4.8 °C at Yongala
Warmest nights on average 11.9 °C at Moomba Airport
11.9 °C at Oodnadatta Airport
Warmest night 23.8 °C at Moomba Airport on the 23rd
Warmest on average overall 20.0 °C at Oodnadatta Airport
Coolest on average overall 9.6 °C at Mount Lofty
Wettest overall 156.8 mm at Aldgate
Driest overall 0 mm at Hawker
0 mm at Leigh Creek Airport
0 mm at Tarcoola Aero
Wettest day 58.0 mm at Todmorden on the 30th
Strongest wind gust 104 km/h at Mount Crawford AWS on the 3rd

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
Oodnadatta Airport 40.6 on the 30th 31.8 on the 20th in 2009 69
Todmorden 58.0 on the 30th 55.9 on the 29th in 1968 68
Mount Dare 42.2 on the 30th 38.0 on the 14th in 1975 64
Mount Barry Station 45.0 on the 30th =45.0 on the 30th in 2004 36
Tieyon 32.0 on the 30th 24.8 on the 13th in 2016 23
Ernabella (Pukatja) 36.2 on the 30th 26.8 on the 29th in 2004 21



Record highest September total rainfall
New record
(mm)
Old
record
Years of
record
Average for
September
Todmorden 85.2 55.9 in 1968 69 11.3

Highest September total rainfall for at least 20 years
Observed
(mm)
Most recent
higher
Average for
September
Mount Dare 51.0 73.2 in 1975* 7.7

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




Record lowest September total rainfall
New record
(mm)
Old
record
Years of
record
Average for
September
Loxton Research Centre 5.0 5.8 in 2008 34 28.0
Morgan (Brenda Park Station) 1.0 1.6 in 2008 26 27.1
Renmark Aero 2.6 = 2.6 in 2008 23 25.3
Yunta Airstrip 0.2 0.6 in 2003 20 16.2

Lowest September total rainfall for at least 20 years
Observed
(mm)
Most recent
lower
Average for
September
Bower 3.0 2.5 in 1939* 25.0
Yongala 4.2 4.1 in 1944 38.0

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




Summary statistics for September 2017
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
September
2017
Diff
from
average
Highest for
September
2017
Mean for
September
2017
Diff
from
average
Lowest for
September
2017
Total for
September
2017
Average
for
September
Rank of
September
2017
Fraction of
September
average
Northwest (district 16)
Andamooka 26.2 +1.5 37.3 22nd 10.8 +0.4 5.6 14th 0.4 12.2 low 3%
Coober Pedy Airport 26.5 +0.9 38.0 22nd 11.6 +0.4 3.6 5th 7.6 9.6 average 79%
Ernabella (Pukatja) 27.0 +0.8 35.1 22nd 11.2 +0.5 2.2 15th 42.0 13.5 v high 311%
Mount Ive 23.6   34.9 22nd 9.0   2.1 15th 3.1 22.9 low 14%
Roxby Downs (Olympic Dam Aerodrome) 26.3 +1.1 37.5 22nd 9.2 -0.1 1.8 6th 0 9.4 lowest 0%
Tarcoola Aero 26.4 +1.0 37.3 22nd 9.0 0.0 0.5 14th 0 9.1 lowest 0%
Woomera Aerodrome 25.1 +2.4 36.6 22nd 10.1 +0.6 4.2 19th 0 14.5 lowest 0%
Far North (district 17)
Arkaroola 25.5 +2.2 35.3 22nd 8.4 +0.4 1.8 1st 1.0 15.7 low 6%
Leigh Creek Airport 24.9 +1.6 36.5 22nd 9.7 +0.4 2.7 7th 0 18.6 lowest 0%
Marree Aero 27.3 +0.8 38.3 22nd 10.2 -0.5 4.2 7th 1.4 9.3 average 15%
Moomba Airport 27.6 +0.3 40.5 27th 11.9 -0.3 4.8 15th 16.4 15.7 high 104%
Oodnadatta Airport 28.0 +1.4 40.1 22nd 11.9 +0.4 5.1 6th 47.2 10.5 v high 450%
Western Agricultural (district 18)
Ceduna AMO 23.0 +1.5 34.1 22nd 9.0 +1.2 1.1 8th 9.8 27.0 low 36%
Cleve 20.4 +0.9 32.5 22nd 9.1 +0.5 6.3 19th 29.8 42.4 average 70%
Cleve Aerodrome 20.1 -0.1 32.4 22nd 8.7 +0.1 5.8 30th 22.0 36.1 average 61%
Coffin Bay (Point Avoid) 18.1   25.5 22nd 10.8   8.2 9th 41.2
Cummins Aero 18.9 -0.8 29.7 22nd 7.4 +1.2 2.0 25th 46.6 41.3 average 113%
Elliston 20.1 +0.8 28.7 22nd 11.0 +1.5 5.4 29th 32.8 39.7 average 83%
Kimba 21.2 +0.9 33.0 22nd 7.2 +0.2 0.0 23rd 9.6 37.0 low 26%
Kyancutta 23.1 +1.2 35.3 22nd 8.1 +1.8 2.5 29th 17.9 31.2 average 57%
Minnipa Pirsa 22.0 +0.3 34.2 22nd 9.0 +0.8 4.7 29th 13.6 27.2 average 50%
Neptune Island 16.2 0.0 20.2 22nd 11.8 +0.2 8.2 4th 49.8 45.6 average 109%
North Shields (Port Lincoln AWS) 18.8 +0.1 29.1 22nd 8.6 +0.6 4.6 25th 43.6 40.5 average 108%
Nullarbor 23.3 +0.8 35.7 20th 7.7 -0.3 1.1 19th 11.2 17.8 average 63%
Port Augusta Aero 24.9 +1.0 35.9 22nd 8.2 -0.2 1.8 15th 0.2 18.6 v low 1%
Streaky Bay 20.8 +0.6 30.1 26th 11.6 +1.7 6.5 15th 20.4 35.2 low 58%
Whyalla Aero 23.2 +1.5 35.3 22nd 8.2 +0.1 2.3 8th 1.4 26.3 v low 5%
Wudinna Aero 22.8 +0.4 35.2 22nd 8.0 +0.8 3.5 19th 14.0 24.9 low 56%
Upper North (district 19)
Hawker 23.5 +1.7 34.0 22nd 7.7 +1.0 0.0 8th 0 27.6 lowest 0%
Yongala 19.5 +1.5 30.0 22nd 4.8 +0.8 -1.2 29th 4.2 38.0 v low 11%
Northeast (district 20)
Gluepot Reserve (Gluepot) 23.6 +1.0 33.0 23rd 8.3 +1.6 1.0 20th 3.4 24.6 v low 14%
Yunta Airstrip 23.2 +1.4 34.0 22nd 7.1 +0.4 0.7 8th 0.2 16.2 lowest 1%
Lower North (district 21)
Clare High School 17.5 +0.2 27.7 22nd 6.4 +0.2 0.1 9th 46.8 61.6 average 76%
Port Pirie Aerodrome AWS 23.1   33.9 22nd 7.9   2.3 29th 7.0
Snowtown (Rayville Park) 20.3 -0.1 31.3 22nd 5.9 +0.5 0.2 9th 31.2 40.4 average 77%
Yorke Peninsula (district 22A)
Edithburgh 17.8 0.0 28.4 22nd 8.9 +0.2 3.7 29th 72.0 45.0 high 160%
Kadina AWS 20.1 -0.2 32.6 22nd 8.0 +2.0 2.0 17th 24.2 34.4 average 70%
Minlaton Aero 18.6 -0.6 30.3 22nd 8.7 +0.7 4.9 30th 35.8 36.8 average 97%
Stenhouse Bay 18.1 0.0 28.1 22nd 10.5 +0.1 5.8 10th 55.6 45.6 average 122%
Warooka 17.8 -0.1 24.4 22nd 8.8 +0.1 6.6 5th 47.4 46.1 average 103%
Kangaroo Island (district 22B)
Cape Borda 15.6 -0.4 20.5 22nd 9.4 -0.1 5.3 16th 53.6 45.7 average 117%
Cape Willoughby 16.6 +0.7 24.0 22nd 10.3 -0.1 7.4 4th 84.0 56.7 high 148%
Kingscote Aero 17.7 -0.1 25.3 22nd 7.5 +1.0 2.1 26th 37.0 47.3 average 78%
Parndana Cfs AWS 15.9   23.9 22nd 7.4   4.1 26th 89.4
Adelaide Plains (district 23A)
Adelaide (Kent Town) 19.4 +0.3 30.3 22nd 10.7 +0.9 4.7 10th 56.0 59.6 average 94%
Adelaide (West Terrace / ngayirdapira) 19.1 +0.7 29.8 22nd 10.8 +1.6 4.9 10th 44.8 51.1 average 88%
Adelaide Airport 18.7 +0.5 30.0 22nd 10.8 +1.8 3.9 10th 48.8 45.6 average 107%
Edinburgh RAAF 18.9 -0.1 29.8 22nd 9.0 +0.9 3.0 10th 43.6 48.3 average 90%
Parafield Airport 19.6 +0.6 30.0 22nd 9.5 +1.3 3.4 10th 46.0 44.5 average 103%
Roseworthy AWS 19.2 -0.6 29.8 22nd 6.7 +0.2 1.9 9th 42.2 48.6 average 87%
County Light (district 23B)
Nuriootpa Pirsa 17.5 -0.3 27.6 22nd 7.1 +0.4 2.0 9th 33.2 59.8 low 56%
Rosedale (Turretfield Research Centre) 18.9 +0.5 30.2 22nd 7.2 +0.6 2.0 9th 46.0 53.5 average 86%
Mount Lofty Ranges (district 23C)
Hindmarsh Island AWS 18.8 0.0 29.9 22nd 9.8 +0.4 3.4 10th 26.0 42.6 low 61%
Kuitpo Forest Reserve 15.8 -0.4 26.3 22nd 8.1 0.0 5.1 10th 93.2 78.1 high 119%
Mount Barker 18.1 +1.6 29.0 22nd 7.9 +2.0 3.8 9th 94.4 85.9 average 110%
Mount Crawford AWS 14.9 -0.3 25.6 22nd 7.3 -0.1 4.0 14th 72.6 74.3 average 98%
Mount Lofty 12.9 +0.8 24.3 22nd 6.3 +0.2 3.3 4th 140.0
Noarlunga 18.2 -0.4 29.0 22nd 10.8 +0.4 6.3 10th 40.8 45.9 average 89%
Parawa (Second Valley Forest AWS) 14.7 +0.1 24.2 22nd 8.0 -0.1 5.1 10th 67.0 85.7 average 78%
Victor Harbor (Encounter Bay) 18.4 -0.1 28.8 22nd 8.3 +0.7 1.0 10th 46.2 62.1 low 74%
Upper Murray Valley (district 24A)
Loxton Research Centre 22.6 +1.8 32.8 23rd 6.8 +0.4 -1.1 17th 5.0 28.0 lowest 18%
Renmark Aero 23.2 +1.2 34.2 23rd 6.6 -0.1 -2.3 17th 2.6 25.3 lowest 10%
Lower Murray Valley (district 24B)
Eudunda 17.5 +0.4 28.1 22nd 7.1 +0.7 2.2 10th 24.2 48.9 low 49%
Meningie 18.3 +0.1 25.6 22nd 9.2 +0.9 2.2 17th 63.5 48.2 high 132%
Murray Bridge (Pallamana Aerodrome) 20.2 -0.2 30.1 22nd 6.6 +1.3 -1.7 10th 18.2 35.2 low 52%
Strathalbyn Racecourse 18.7 0.0 28.8 22nd 8.3 +0.6 1.3 17th 41.0 49.2 average 83%
Murray Mallee (district 25A)
Karoonda 20.2 -0.1 30.2 22nd 6.3 -0.1 -0.4 10th 23.6 35.5 average 66%
Upper Southeast (district 25B)
Keith 18.8 +0.2 28.0 22nd 7.6 +0.6 1.5 10th 41.5 50.2 average 83%
Keith (Munkora) 18.4 -0.3 26.7 22nd 5.9 +0.3 -0.8 26th 37.4 39.6 average 94%
Lameroo (Austin Plains) 19.1 -0.6 28.9 22nd 5.1 -0.3 -1.1 17th 19.4 32.5 average 60%
Lower Southeast (district 26)
Cape Jaffa (The Limestone) 15.9 -0.3 22.1 22nd 8.8 +0.2 3.3 26th 42.8 48.6 average 88%
Coonawarra 16.5 -0.4 24.8 22nd 7.2 +0.7 0.8 26th 73.6 62.4 high 118%
Mount Gambier Aero 15.7 -0.2 24.2 22nd 6.8 +0.5 0.3 17th 107.8 72.6 v high 148%
Naracoorte Aerodrome 17.0 -0.6 25.4 22nd 6.9 +0.4 1.1 26th 54.6 54.3 average 101%
Robe Airfield 16.5 -0.4 24.0 22nd 8.4 +0.4 1.1 26th 70.4 54.0 high 130%

Notes

The Monthly climate summary, generally published on the first working day of each month, lists the main features of the weather in South Australia 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 9 am on Monday 2 October 2017. 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

Media
(03) 9669 4057
Enquiries