Canberra Weather in September
What's the weather like in Canberra (Australian Capital Territory) in September 2025?
The climate in Canberra during September can be summarized as cool and reasonably dry.
September is in the spring in Canberra and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 3°C (38°F) is normal.
| Daytime temperature | 15.5°C 59.9°F |
|---|---|
| Nightly temperature | 3.1°C 37.6°F |
| Average temperature | 9.3°C 48.7°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 67 mm 2.6 ins |
| Rainy days | 12 days |
| Sea temperature | 17.2°C 63°F |
| Humidity | 60% |
| Windspeed | 13.7kph 9 mph |
On average September is the 2nd wettest month of the year in Canberra with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
September temperatures in Canberra
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Canberra in September 2025.
Other monthly averages
Best places to visit in September
Canberra weather stats
| Hottest month: | January | 27.4°C 81.3°F |
|---|---|---|
| Driest month: | June | 50mm 2ins |
| Sunniest month: | January | 10hrs |
| Coldest month: | July | 10.6°C 51.1°F |
| Wettest month: | October | 76mm 3ins |
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