Port Augusta Weather in September
What's the weather like in Port Augusta (South Australia) in September 2025?
The climate in Port Augusta during September can be summarized as mild and dry.
September is in the spring in Port Augusta and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 9°C (47°F) is normal.
| Daytime temperature | 21.5°C 70.7°F |
|---|---|
| Nightly temperature | 8.5°C 47.3°F |
| Average temperature | 15°C 59°F |
| Daily sunshine | 8.8 hrs |
| Avg rainfall | 23 mm 0.9 ins |
| Rainy days | 6 days |
| Sea temperature | 16.1°C 61.1°F |
| Humidity | 48% |
| Windspeed | 15.8kph 10 mph |
On average September is the 3rd wettest month of the year in Port Augusta with around 23mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
September temperatures in Port Augusta
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 Port Augusta in September 2025.
Other monthly averages
Best places to visit in September
Port Augusta weather stats
| Hottest month: | January | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | December | 14mm 0.6ins |
| Sunniest month: | February | 10.8hrs |
| Coldest month: | July | 16.6°C 61.9°F |
| Wettest month: | May | 28mm 1.1ins |
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