Sunday, 1 October 2023 - Monthly Climate Summary for Greater Melbourne - Product code IDCKGC16L0
Greater Melbourne in September 2023
Rainfall
- September rainfall totals were below to very much below average across Greater Melbourne and several sites had their lowest September rainfall totals on record.
- There were only a few days of rainfall across Greater Melbourne in September, as most of the month was mostly dominated by several high-pressure systems that brought cloud-free conditions.
- Rainfall totals ranged from 12 % of the monthly average at Laverton RAAF to 67 % of the monthly average at Coldstream.
Temperature
- Mean maximum temperatures were above average across Greater Melbourne and varied from 2.3 °C above average at Melbourne (Olympic Park) to 3.9 °C above average at Melbourne Airport.
- Warmer maximum (daytime) temperatures were more prominent during the middle and end of the month, when maximum temperatures across Greater Melbourne were close to or at 10 °C above the long-term average for September.
- Many sites across Greater Melbourne had their highest September mean daily maximum temperature on record.
- Mean minimum temperatures were above average across Greater Melbourne and varied from 0.1 °C above average at Melbourne (Olympic Park) to 2.0 °C above average at Essendon Airport, except for Cerberus which was the only site that recorded below average minimum temperatures (0.1 °C below its average).
- The warmest night-time (minimum) temperature was 17.0 °C at Essendon Airport on the 30th, this was 10 °C above its September long-term average, with many other sites across Greater Melbourne having also reported minimum temperatures above average on this day.
Melbourne (Olympic Park)
- Total rainfall for Melbourne (Olympic Park) was 10.8 mm, which is 24% of the long-term average of 44.5 mm.
- The mean daily maximum temperature for Melbourne (Olympic Park) was 20.1 °C, which is 2.3 °C above the long-term average of 17.8 °C.
- The warmest day was 29.7 °C on the 30th, and the coolest day was on the 8th when the temperature reached 11.7 °C.
- The mean daily minimum temperature for Melbourne (Olympic Park) was 9.6 °C, which is 0.1 °C above the long-term average of 9.5 °C.
- The coldest morning was 3.9 °C on the 2nd, and the warmest morning was on the 30th when the minimum temperature was 15.4 °C.
Extremes Maps Records Summaries Daily observations Important notes the top
| Extremes in September 2023 | |
|---|---|
| Hottest day | 31.1 °C at Laverton RAAF on the 30th |
| Warmest days on average |
20.8 °C at Laverton RAAF 20.8 °C at Viewbank |
| Coolest days on average | 16.3 °C at Wallan (Kilmore Gap) |
| Coldest day | 6.0 °C at Ferny Creek on the 8th |
| Coldest night | 0.8 °C at Coldstream on the 3rd |
| Coolest nights on average | 6.0 °C at Coldstream |
| Warmest nights on average | 9.6 °C at Melbourne (Olympic Park) |
| Warmest night | 17.0 °C at Essendon Airport on the 30th |
| Warmest on average overall | 14.9 °C at Melbourne (Olympic Park) |
| Coolest on average overall | 11.6 °C at Wallan (Kilmore Gap) |
| Wettest overall | 74.0 mm at Monbulk (Spring Road) |
| Wettest day | 24.6 mm at Cerberus on the 9th |
| Strongest wind gust | 100 km/h at Fawkner Beacon on the 8th |
Extremes Maps Records Summaries Daily observations Important notes the top
| Record highest September temperature | ||||||
|---|---|---|---|---|---|---|
|
New record (°C) |
Old record |
Years of record |
Average for September |
|||
| Cerberus | 28.9 | on the 30th | = 28.9 | on the 19th in 2011 | 32 | 16.5 |
| Record highest September mean daily maximum temperature | |||||
|---|---|---|---|---|---|
|
New record (°C) |
Old record |
Years of record |
Average for September |
||
| Laverton RAAF | 20.8 | 19.9 | in 1972 | 79 | 17.1 |
| Scoresby Research Institute | 19.8 | 19.1 | in 2013 | 66 | 16.6 |
| Essendon Airport | 20.6 | 19.2 | in 2013 | 53 | 16.9 |
| Melbourne Airport | 20.7 | 19.1 | in 2013 | 53 | 16.8 |
| Moorabbin Airport | 20.0 | 19.1 | in 2013 | 52 | 17.0 |
| Cerberus | 19.2 | 18.2 | in 2013 | 31 | 16.5 |
| Wallan (Kilmore Gap) | 16.3 | 15.1 | in 2013 | 29 | 13.2 |
| Coldstream | 19.9 | 19.1 | in 2013 | 28 | 17.3 |
| Viewbank | 20.8 | 19.5 | in 2013 | 23 | 17.7 |
| Record highest September mean temperature | |||||
|---|---|---|---|---|---|
|
New record (°C) |
Old record |
Years of record |
Average for September |
||
| Laverton RAAF | 14.4 | 14.1 | in 2013 | 79 | 11.9 |
| Essendon Airport | 14.7 | 14.3 | in 2013 | 53 | 11.9 |
| Melbourne Airport | 14.2 | 14.1 | in 2013 | 53 | 11.9 |
| Moorabbin Airport | 14.4 | = 14.4 | in 2013 | 52 | 12.5 |
| Wallan (Kilmore Gap) | 11.6 | 11.4 | in 2013 | 29 | 9.4 |
Extremes Maps Records Summaries Daily observations Important notes the top
| Summary statistics for September 2023 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperatures (°C) |
Minimum temperatures (°C) |
Rainfall (millimetres) |
||||||||||
| Mean for September 2023 |
Diff from average |
Highest for September 2023 |
Mean for September 2023 |
Diff from average |
Lowest for September 2023 |
Total for September 2023 |
Average for September |
Rank of September 2023 |
Fraction of September average |
|||
| Cerberus | 19.2 | +2.7 | 28.9 | 30th | 7.5 | -0.1 | 1.3 | 2nd | 42.8 | 66.5 | low | 64% |
| Coldstream | 19.9 | +2.6 | 26.8 | 30th | 6.0 | +0.4 | 0.8 | 3rd | 45.4 | 68.2 | low | 67% |
| Essendon Airport | 20.6 | +3.7 | 29.4 | 30th | 8.9 | +2.0 | 3.4 | 2nd | 10.2 | 50.4 | lowest | 20% |
| Ferny Creek | 16.7 | +2.9 | 25.0 | 30th | 7.9 | +1.2 | 1.9 | 9th | 63.2 | 96.0 | v low | 66% |
| Frankston (Ballam Park) | 19.2 | 28.7 | 30th | 8.9 | 3.6 | 2nd | 32.6 | |||||
| Laverton RAAF | 20.8 | +3.7 | 31.1 | 30th | 7.9 | +1.1 | 0.9 | 2nd | 5.8 | 47.8 | lowest | 12% |
| Melbourne (Olympic Park) | 20.1 | +2.3 | 29.7 | 30th | 9.6 | +0.1 | 3.9 | 2nd | 10.8 | 44.5 | v low | 24% |
| Melbourne Airport | 20.7 | +3.9 | 29.6 | 30th | 7.8 | +0.7 | 1.7 | 2nd | 8.6 | 45.8 | v low | 19% |
| Moorabbin Airport | 20.0 | +3.0 | 30.4 | 30th | 8.8 | +0.7 | 1.9 | 2nd | 16.4 | 63.2 | lowest | 26% |
| Scoresby Research Institute | 19.8 | +3.2 | 27.3 | 29th | 8.4 | +0.8 | 1.5 | 2nd | 31.2 | 80.8 | v low | 39% |
| Viewbank | 20.8 | +3.1 | 28.9 | 29th | 8.0 | +0.2 | 1.0 | 2nd | 20.8 | 54.7 | v low | 38% |
| Wallan (Kilmore Gap) | 16.3 | +3.1 | 23.9 | 29th | 6.8 | +1.1 | 2.2 | 6th | 18.0 | 59.9 | v low | 30% |
Extremes Maps Records Summaries Daily observations Important notes the top
| Daily maximum temperatures for September 2023 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
| Cerberus | 15.5 | 16.0 | 20.0 | 22.1 | 14.1 | 18.7 | 23.0 | 13.6 | 13.6 | 14.3 | 15.2 | 21.4 | 22.1 | 25.1 | 21.1 | 23.7 | 21.1 | 19.1 | 25.5 | 14.8 | 14.7 | 14.8 | 15.7 | 23.8 | 21.2 | 16.4 | 16.9 | 17.6 | 25.6 | 28.9 |
| Coldstream | 15.4 | 17.6 | 19.2 | 23.3 | 13.7 | 18.0 | 23.1 | 10.3 | 13.0 | 14.2 | 15.4 | 21.9 | 22.7 | 23.3 | 24.4 | 23.6 | 24.0 | 20.7 | 24.9 | 16.9 | 16.1 | 16.7 | 19.7 | 22.8 | 23.3 | 20.9 | 18.4 | 21.4 | 25.6 | 26.8 |
| Essendon Airport | 14.9 | 18.5 | 19.7 | 21.8 | 15.0 | 19.3 | 21.3 | 11.5 | 14.2 | 14.6 | 17.6 | 24.0 | 25.5 | 24.1 | 24.5 | 24.5 | 24.8 | 21.1 | 27.6 | 19.0 | 15.7 | 15.3 | 18.6 | 23.8 | 23.8 | 18.3 | 18.4 | 21.8 | 29.1 | 29.4 |
| Ferny Creek | 10.8 | 14.5 | 15.9 | 18.6 | 9.4 | 16.1 | 18.8 | 6.0 | 10.4 | 10.8 | 13.7 | 20.0 | 20.3 | 20.3 | 20.9 | 19.8 | 19.3 | 20.8 | 22.2 | 12.7 | 12.0 | 12.3 | 17.4 | 19.4 | 20.1 | 16.9 | 13.8 | 18.4 | 24.6 | 25.0 |
| Frankston (Ballam Park) | 15.5 | 17.5 | 19.5 | 21.8 | 13.0 | 18.4 | 22.5 | 11.7 | 12.7 | 14.4 | 16.5 | 21.8 | 21.9 | 24.6 | 21.6 | 22.6 | 21.6 | 19.6 | 23.9 | 14.9 | 14.6 | 15.2 | 17.6 | 23.4 | 20.9 | 17.9 | 17.8 | 18.6 | 26.0 | 28.7 |
| Laverton RAAF | 14.5 | 15.6 | 20.3 | 22.9 | 14.9 | 20.2 | 21.9 | 11.6 | 15.3 | 15.7 | 17.6 | 24.2 | 24.9 | 25.8 | 25.3 | 26.3 | 25.4 | 20.5 | 29.6 | 18.1 | 15.7 | 15.5 | 16.7 | 25.0 | 23.6 | 17.5 | 19.0 | 20.4 | 29.1 | 31.1 |
| Melbourne (Olympic Park) | 14.8 | 15.8 | 20.4 | 21.6 | 15.1 | 19.4 | 22.1 | 11.7 | 13.9 | 14.9 | 17.2 | 23.3 | 25.1 | 23.9 | 22.4 | 25.0 | 23.1 | 21.9 | 28.0 | 19.0 | 14.9 | 14.9 | 16.4 | 23.8 | 23.4 | 16.4 | 17.3 | 20.1 | 27.8 | 29.7 |
| Melbourne Airport | 14.8 | 18.5 | 19.8 | 22.1 | 15.0 | 19.2 | 20.9 | 11.8 | 14.9 | 14.5 | 17.4 | 23.6 | 25.4 | 23.4 | 25.6 | 24.5 | 25.0 | 20.5 | 27.3 | 18.4 | 15.6 | 15.8 | 20.3 | 23.7 | 23.8 | 19.1 | 18.9 | 22.6 | 28.9 | 29.6 |
| Moorabbin Airport | 14.7 | 14.2 | 20.0 | 22.7 | 15.0 | 19.1 | 23.3 | 11.5 | 14.4 | 14.5 | 16.1 | 22.4 | 24.2 | 25.6 | 20.9 | 25.8 | 21.8 | 21.2 | 27.5 | 16.8 | 15.5 | 15.1 | 17.5 | 25.1 | 22.3 | 16.4 | 17.7 | 19.7 | 27.5 | 30.4 |
| Scoresby Research Institute | 15.2 | 18.1 | 19.1 | 22.4 | 13.9 | 18.2 | 22.5 | 10.9 | 13.8 | 14.4 | 16.2 | 22.7 | 24.4 | 23.9 | 24.1 | 23.6 | 22.7 | 20.7 | 26.1 | 17.6 | 15.6 | 15.8 | 19.8 | 23.1 | 22.9 | 19.3 | 18.0 | 21.2 | 27.3 | |
| Viewbank | 14.8 | 18.6 | 20.0 | 23.1 | 14.8 | 18.4 | 22.9 | 11.4 | 14.1 | 15.2 | 17.4 | 23.8 | 25.0 | 25.0 | 25.7 | 24.6 | 24.5 | 19.9 | 27.1 | 19.0 | 15.9 | 16.4 | 19.3 | 24.2 | 23.7 | 19.0 | 22.3 | 28.9 | 28.5 | |
| Wallan (Kilmore Gap) | 10.8 | 13.4 | 14.3 | 16.6 | 14.1 | 16.1 | 8.1 | 10.3 | 10.4 | 13.8 | 19.2 | 17.6 | 17.8 | 19.1 | 18.4 | 20.0 | 20.6 | 21.1 | 15.0 | 12.0 | 12.7 | 16.6 | 17.9 | 19.7 | 17.2 | 14.6 | 19.9 | 23.9 | 22.8 | |
|
Values are the maximum temperature, usually in the 24 hours from 9 am on the day indicated, and typically occurred in the afternoon of that day. | ||||||||||||||||||||||||||||||
| Temperatures coloured according to their difference from the long-term average for the period |
-10.0 | -9.0 | -8.0 | -7.0 | -6.0 | -5.0 | -4.0 | -3.0 | -2.0 | -1.0 | 0.0 | +1.0 | +2.0 | +3.0 | +4.0 | +5.0 | +6.0 | +7.0 | +8.0 | +9.0 | +10.0 | °C | Grey outline marks highest and lowest for the period |
|||||||
| Daily minimum temperatures for September 2023 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
| Cerberus | 10.1 | 1.3 | 4.7 | 4.6 | 3.9 | 3.4 | 10.3 | 8.3 | 6.5 | 8.1 | 6.9 | 8.0 | 4.9 | 6.2 | 12.7 | 8.5 | 14.3 | 12.1 | 11.7 | 11.8 | 8.8 | 4.7 | 1.6 | 4.1 | 9.1 | 3.9 | 6.9 | 9.7 | 7.0 | 9.6 |
| Coldstream | 8.6 | 1.0 | 0.8 | 5.6 | 2.1 | 1.2 | 6.4 | 7.3 | 4.2 | 6.8 | 5.5 | 6.6 | 3.8 | 4.4 | 10.0 | 4.1 | 6.7 | 11.9 | 12.1 | 12.4 | 4.3 | 2.7 | 1.1 | 3.3 | 6.2 | 10.5 | 10.1 | 10.0 | 2.8 | 7.1 |
| Essendon Airport | 8.8 | 3.4 | 4.3 | 9.8 | 5.7 | 5.7 | 11.0 | 7.2 | 5.4 | 8.6 | 7.1 | 9.8 | 8.9 | 8.8 | 14.4 | 10.8 | 12.1 | 12.5 | 12.8 | 12.7 | 6.8 | 5.7 | 4.8 | 4.7 | 13.9 | 9.1 | 8.9 | 8.5 | 6.7 | 17.0 |
| Ferny Creek | 5.8 | 3.1 | 6.6 | 10.3 | 3.8 | 4.0 | 8.3 | 4.3 | 1.9 | 4.0 | 6.4 | 8.2 | 9.9 | 12.8 | 13.3 | 9.4 | 9.3 | 9.7 | 12.0 | 9.2 | 4.9 | 4.2 | 4.4 | 9.6 | 14.5 | 5.3 | 7.7 | 7.5 | 8.8 | 16.5 |
| Frankston (Ballam Park) | 9.1 | 3.6 | 4.7 | 8.4 | 5.1 | 4.6 | 11.6 | 8.0 | 6.9 | 8.2 | 7.7 | 9.0 | 7.6 | 9.6 | 14.9 | 8.9 | 14.3 | 12.7 | 12.7 | 12.0 | 9.0 | 5.0 | 6.1 | 6.5 | 12.4 | 6.9 | 9.3 | 9.4 | 7.9 | 14.0 |
| Laverton RAAF | 8.9 | 0.9 | 3.2 | 11.1 | 5.1 | 4.0 | 11.9 | 8.1 | 4.7 | 8.0 | 5.2 | 9.3 | 6.8 | 7.5 | 13.0 | 8.1 | 10.3 | 12.2 | 12.7 | 12.7 | 5.8 | 3.4 | 2.6 | 4.4 | 14.6 | 10.3 | 6.6 | 7.2 | 4.4 | 14.0 |
| Melbourne (Olympic Park) | 9.8 | 3.9 | 6.0 | 9.7 | 6.7 | 6.1 | 10.7 | 8.4 | 6.8 | 10.0 | 8.3 | 10.2 | 9.2 | 10.5 | 15.1 | 9.6 | 12.6 | 13.7 | 13.7 | 13.2 | 9.2 | 6.8 | 5.2 | 7.2 | 13.4 | 9.5 | 10.2 | 10.2 | 8.0 | 15.4 |
| Melbourne Airport | 7.7 | 1.7 | 2.9 | 8.0 | 4.1 | 5.2 | 10.4 | 7.0 | 4.4 | 7.2 | 5.3 | 8.3 | 8.4 | 7.4 | 13.0 | 9.4 | 11.5 | 11.6 | 12.5 | 12.9 | 5.9 | 3.2 | 2.2 | 5.3 | 12.4 | 9.6 | 7.0 | 7.1 | 5.8 | 15.4 |
| Moorabbin Airport | 9.7 | 1.9 | 2.9 | 10.6 | 6.2 | 5.0 | 11.9 | 8.2 | 6.9 | 9.3 | 7.7 | 9.9 | 7.3 | 9.3 | 15.7 | 8.9 | 12.6 | 12.7 | 12.9 | 9.1 | 4.9 | 2.8 | 5.2 | 14.3 | 6.3 | 10.3 | 10.4 | 8.6 | 13.2 | |
| Scoresby Research Institute | 9.2 | 1.5 | 3.5 | 11.5 | 6.4 | 4.2 | 11.9 | 8.3 | 5.5 | 8.6 | 8.1 | 9.0 | 6.3 | 9.4 | 15.6 | 8.1 | 9.2 | 12.3 | 12.8 | 12.0 | 5.5 | 3.1 | 3.0 | 5.5 | 15.5 | 7.3 | 10.6 | 7.9 | 7.9 | 12.3 |
| Viewbank | 9.0 | 1.0 | 2.8 | 8.4 | 4.8 | 2.8 | 11.8 | 7.5 | 5.2 | 8.6 | 7.2 | 7.6 | 5.9 | 7.4 | 15.0 | 8.8 | 12.0 | 12.5 | 12.9 | 12.4 | 7.1 | 5.5 | 2.2 | 5.4 | 11.0 | 8.9 | 10.2 | 4.9 | 13.2 | |
| Wallan (Kilmore Gap) | 5.6 | 3.7 | 5.6 | 8.3 | 2.6 | 2.2 | 5.0 | 3.4 | 2.4 | 4.9 | 5.7 | 7.2 | 8.5 | 10.0 | 10.4 | 7.8 | 10.7 | 9.1 | 12.3 | 9.5 | 4.8 | 3.4 | 3.3 | 7.6 | 11.2 | 5.6 | 6.2 | 6.2 | 9.1 | 10.7 |
|
Values are the minimum temperature, usually in the 24 hours to 9 am on the day indicated, and typically occurred that morning. | ||||||||||||||||||||||||||||||
| Temperatures coloured according to their difference from the long-term average for the period |
-10.0 | -9.0 | -8.0 | -7.0 | -6.0 | -5.0 | -4.0 | -3.0 | -2.0 | -1.0 | 0.0 | +1.0 | +2.0 | +3.0 | +4.0 | +5.0 | +6.0 | +7.0 | +8.0 | +9.0 | +10.0 | °C | Grey outline marks highest and lowest for the period |
|||||||
| Daily rainfall for September 2023 | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | ||
| Bonbeach (Carrum (Patterson River Countr | 4.0 | - | - | - | 5.0 | - | - | 7.0 | 5.5 | ||||||||||||||||||||||
| Burnside | 1.5 | - | - | - | - | - | - | 4.0 | 2.0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Cape Schanck | - | - | - | - | - | - | - | - | 19.0 | - | - | - | - | - | - | - | - | - | - | 4.2 | 5.0 | ||||||||||
| Cerberus | 0.4 | - | 0.2 | - | 1.6 | - | - | 8.6 | 24.6 | 0.8 | 0.2 | - | - | - | - | - | - | - | - | 2.4 | 3.4 | 0.2 | - | 0.2 | - | - | - | - | - | 0.2 | |
| Cheltenham Kingston Centre | 1.2 | 0.1 | - | - | 1.8 | 0.5 | - | 3.4 | - | 0.1 | - | - | - | - | - | - | - | - | - | 1.0 | 0.2 | - | - | - | - | - | - | - | - | - | |
| Coldstream | 2.4 | 0.2 | - | - | 18.0 | 0.8 | - | 7.6 | 11.4 | 0.4 | - | - | - | - | - | - | - | - | - | 1.4 | 2.0 | 1.2 | - | - | - | - | - | - | - | - | |
| Eltham | 5.2 | - | - | - | 6.0 | - | - | 5.4 | - | - | - | - | - | - | - | - | - | - | - | 1.4 | 1.2 | ||||||||||
| Essendon Airport | 0.6 | - | - | - | 2.0 | - | - | 4.6 | 0.4 | 0.6 | - | - | - | - | - | - | - | - | - | - | 1.4 | 0.6 | - | - | - | - | - | - | - | - | |
| Ferny Creek | 7.2 | 0.2 | - | - | 22.0 | 3.6 | - | 9.0 | 10.4 | - | 0.4 | - | - | - | - | - | - | - | - | 5.2 | 3.6 | 1.4 | - | - | - | - | 0.2 | - | - | - | |
| Frankston (Ballam Park) | 2.4 | - | - | - | 3.0 | 1.0 | - | 7.0 | 14.2 | 1.8 | - | 0.2 | - | - | - | - | - | - | - | 0.8 | 2.0 | 0.2 | - | - | - | - | - | - | - | - | |
| Greenvale Reservoir | 0.4 | - | - | - | 2.0 | - | - | 6.6 | 0.4 | 0.2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Hesket (Straws Lane) | 3.0 | - | 0.2 | - | 2.8 | - | - | 10.4 | 4.0 | 0.6 | - | - | - | - | - | - | - | - | - | - | 0.8 | 1.2 | - | - | - | 0.2 | - | - | - | - | |
| Kinglake West | 4.2 | - | - | - | 6.6 | - | - | 23.6 | 1.8 | 2.0 | - | - | - | - | - | - | - | - | - | - | 2.0 | ||||||||||
| Kinglake West (Wallaby Creek) | 1.6 | 1.4 | - | 0.2 | 5.6 | 0.2 | - | 20.2 | 2.4 | 1.0 | - | - | - | - | - | - | - | - | - | - | - | - | 0.2 | - | - | - | - | - | |||
| Lancefield | - | - | - | - | 2.6 | - | - | 12.0 | 2.2 | - | - | - | - | - | - | - | - | - | - | - | 0.6 | ||||||||||
| Laverton RAAF | 1.0 | - | - | - | 1.0 | - | - | 3.2 | 0.2 | 0.4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Melbourne (Olympic Park) | 1.8 | - | - | - | 2.8 | 0.2 | - | 4.0 | 0.8 | 1.0 | - | - | - | - | - | - | - | - | - | - | 0.2 | - | - | - | - | - | - | - | - | - | |
| Melbourne Airport | 0.4 | - | 0.2 | - | 1.0 | - | - | 5.2 | 0.4 | 0.2 | - | 0.2 | - | - | - | - | - | - | 0.2 | - | 0.4 | 0.2 | 0.2 | - | - | - | - | - | - | - | |
| Melbourne Botanical Gardens | 2.6 | - | - | - | 3.4 | 0.3 | - | 5.6 | 1.0 | 1.6 | - | - | - | - | - | - | - | - | - | 0.2 | 0.4 | - | - | - | - | - | - | ||||
| Mitcham | 3.2 | - | - | - | 9.0 | 1.4 | - | 4.8 | 2.6 | 0.2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Monbulk (Spring Road) | 6.8 | - | - | - | 21.6 | 1.0 | - | 16.2 | 15.8 | - | - | - | - | - | - | - | - | - | - | 4.0 | 6.8 | 1.8 | |||||||||
| Moorabbin Airport | 2.2 | - | - | - | 6.2 | 0.4 | - | 5.2 | 0.8 | - | - | - | - | - | - | - | - | - | - | 0.8 | 0.8 | - | - | - | - | - | - | - | - | - | |
| Mornington | 1.6 | - | - | 0.2 | 1.1 | 1.8 | 0.1 | 5.6 | → | → | 18.8 | - | 0.1 | - | - | - | - | - | - | 0.8 | 3.5 | 0.2 | - | - | - | - | - | - | |||
| Mount Waverley (Riversdale Golf Club) | 2.0 | 2.0 | - | - | 7.6 | - | - | 6.6 | - | 1.0 | - | - | - | - | - | - | - | - | - | - | 1.8 | ||||||||||
| Newham (Cobaw) | - | - | - | - | 3.0 | - | - | 16.4 | → | 5.6 | - | - | - | - | - | - | - | - | - | - | 2.6 | ||||||||||
| Oakleigh (Metropolitan Golf Club) | 1.5 | - | - | - | 5.0 | - | - | 7.6 | - | - | - | - | - | - | - | - | - | - | 1.6 | 1.0 | |||||||||||
| Preston Reservoir | 1.6 | - | - | - | 4.4 | 0.4 | 0.2 | 5.8 | 0.4 | 0.2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Romsey | 1.6 | 0.4 | 0.2 | - | 3.4 | 0.2 | |||||||||||||||||||||||||
| Rosebud (Country Club) | 1.0 | - | - | - | - | - | - | 3.8 | 21.0 | 0.8 | - | - | - | - | - | - | - | - | - | → | 12.0 | ||||||||||
| Scoresby Research Institute | 2.0 | - | 0.2 | - | 12.4 | 1.2 | - | 7.6 | 3.4 | 0.2 | - | - | - | - | - | - | - | - | - | 2.6 | 1.6 | - | - | - | - | - | - | - | - | ||
| Springvale Necropolis | - | - | - | - | 9.0 | - | - | - | → | → | 7.5 | ||||||||||||||||||||
| Toorourrong Reservoir (Toorourrong) | 0.8 | 0.8 | - | 0.2 | 12.4 | - | - | 14.2 | 0.8 | 0.4 | - | - | - | 0.2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Upper Plenty | 1.0 | - | - | - | 6.4 | - | - | 10.6 | 1.4 | 1.6 | - | - | - | - | - | - | - | - | - | - | 0.2 | ||||||||||
| Viewbank | 5.0 | 0.2 | - | - | 4.6 | - | - | 5.0 | 1.0 | 0.8 | - | - | - | - | - | - | - | - | - | 1.8 | 2.4 | - | - | - | - | - | - | - | - | ||
| Wallan (Kilmore Gap) | 2.0 | 0.2 | - | 0.2 | 4.2 | 0.4 | - | 8.8 | 1.2 | 1.0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Warburton (O'Shannassy Reservoir (Quarte | - | - | - | - | - | - | |||||||||||||||||||||||||
| Willowmavin (Avalon Station) | - | 0.2 | 0.2 | 0.2 | 4.8 | - | - | 11.0 | 2.0 | 0.2 | 0.2 | - | - | 0.2 | - | - | - | - | - | - | 0.4 | - | - | - | 0.2 | - | - | - | - | - | |
| Woodend | 1.4 | 0.2 | 0.2 | - | 2.8 | 0.2 | - | 18.0 | 2.8 | 0.6 | 0.2 | - | - | - | - | - | - | - | - | - | 0.4 | 0.6 | 0.4 | 0.2 | - | 0.6 | - | - | 0.2 | ||
| Yan Yean | 1.4 | 0.4 | - | - | 7.6 | - | - | 7.8 | 0.6 | 1.0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
|
Most values are the precipitation in the 24 hours to 9 am on the day indicated.
Days marked with → are part of a longer accumulation, which is shown on the final day. Values over 100 mm have been rounded to the nearest whole millimetre. Days marked with - have a rainfall report of zero; days left blank have no rainfall report (which often indicates no rain fell). | |||||||||||||||||||||||||||||||
| Rainfalls coloured according to the amount |
0 | 1.0 | 5.0 | 10.0 | 15.0 | 25.0 | 50.0 | 100 | 150 | 200 | 300 | 400 | 600 | millimetres | |||||||||||||||||
Extremes Maps Records Summaries Daily observations Important notes the top
Notes
The Monthly climate summary, usually published in the first week of the following month, lists the main features of the weather in Greater Melbourne using the most timely and accurate information available on the date of publication; it will generally not be updated.
This summary includes data from observing sites in or near the Greater Melbourne “Greater Capital City Statistical Area” (GCCSA). The Australian Bureau of Statistics designed the GCCSAs to represent a socio-economic definition of each capital city. This means the greater capital city boundary includes people who regularly socialise, shop or work within the capital city, but live in the small towns and rural areas surrounding the capital city. It does not define the built up edge of the capital city.
This statement has been prepared based on information available at 3 pm on Sunday 1 October 2023. 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.
Information about Australian Indigenous seasonal calendars is available at the Indigenous Weather Knowledge website.
Unless otherwise noted, all maps, graphs and diagrams in this page are licensed under the Creative Commons Attribution 4.0 International Licence
