Climate averages 1991–2020
Weather in Australia in September
In September, average daytime highs across the 32 cities listed in Australia range from 13.4°C in Ballarat to 33.1°C in Darwin. Monthly rainfall ranges from 9.8 mm in Townsville to 76 mm in Launceston.
Long-term climate patterns, not a forecast for a particular trip.
City by city
September in Australia
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Sydney | 19.4°C11.5°C | 11.5°C | 50 | 6.7 |
| Melbourne | 16.1°C7.9°C | 7.9°C | 60 | 11.7 |
| Brisbane | 24.2°C13.6°C | 13.6°C | 35 | 5.4 |
| Perth | 18.5°C10.4°C | 10.4°C | 55 | 8.5 |
| Adelaide | 17.0°C9.7°C | 9.7°C | 53 | 9.8 |
| Gold Coast | 22.2°C15.4°C | 15.4°C | 40 | 5.8 |
| Newcastle, Australia | 20.0°C12.8°C | 12.8°C | 53 | 7.0 |
| Sunshine Coast | 23.1°C15.3°C | 15.3°C | 39 | 6.7 |
| Canberra | 14.9°C4.0°C | 4.0°C | 51 | 7.3 |
| Central Coast | 19.8°C12.9°C | 12.9°C | 51 | 6.8 |
| Logan City | 23.6°C13.8°C | 13.8°C | 33 | 4.7 |
| Geelong | 15.7°C8.2°C | 8.2°C | 49 | 10.2 |
| Wollongong | 18.8°C12.3°C | 12.3°C | 59 | 7.5 |
| Hobart | 14.1°C6.1°C | 6.1°C | 53 | 11.2 |
| Townsville | 27.3°C18.9°C | 18.9°C | 9.8 | 3.3 |
| Cairns | 26.3°C20.2°C | 20.2°C | 14 | 4.1 |
| Toowoomba | 21.9°C9.3°C | 9.3°C | 29 | 4.3 |
| Darwin | 33.1°C22.9°C | 22.9°C | 16 | 3.7 |
| Ballarat | 13.4°C5.4°C | 5.4°C | 69 | 12.2 |
| Mandurah | 17.8°C10.4°C | 10.4°C | 64 | 9.1 |
| Bendigo | 15.5°C6.6°C | 6.6°C | 52 | 8.5 |
| Caloundra | 22.9°C15.3°C | 15.3°C | 39 | 6.7 |
| Launceston | 14.0°C4.8°C | 4.8°C | 76 | 11.4 |
| Maitland | 21.6°C10.9°C | 10.9°C | 37 | 6.0 |
| Tuggeranong | 14.9°C4.0°C | 4.0°C | 67 | 8.8 |
| Mackay | 23.8°C18.8°C | 18.8°C | 16 | 3.5 |
| Rockhampton | 26.6°C15.4°C | 15.4°C | 20 | 2.4 |
| Coffs Harbour | 21.5°C13.7°C | 13.7°C | 43 | 6.7 |
| Blue Mountains | 15.0°C4.3°C | 4.3°C | 53 | 8.3 |
| Bunbury | 16.8°C10.0°C | 10.0°C | 74 | 9.9 |
| Bundaberg | 24.8°C15.7°C | 15.7°C | 25 | 4.2 |
| Adelaide Hills | 15.1°C7.2°C | 7.2°C | 55 | 9.8 |
A rain day is a local calendar day with at least 1 mm of precipitation.