Stirling Weather in September

What's the weather like in Stirling (South Australia) in September 2025?

The climate in Stirling during September can be summarized as mild and a little damp.

September is in the spring in Stirling and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 7°C (44°F) is normal.

Stirling weather averages (imperial / metric)
Daytime temperature 16.6°C 61.9°F
Nightly temperature 6.6°C 43.9°F
Average temperature 11.6°C 52.9°F
Daily sunshine 6.9 hrs
Avg rainfall 84 mm 3.3 ins
Rainy days 9 days
Sea temperature 14.4°C 57.9°F
Humidity 60%
Windspeed 15.1kph 9 mph

On average September is the 5th wettest month of the year in Stirling with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.9 hours of sunshine per day.

September temperatures in Stirling

Stirling average temperature in September

September rainfall

Stirling average rain in September

September hourly sunshine

Stirling average rain in September

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 Stirling in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Stirling weather stats

Stirling weather statistics
Hottest month: February 27.1°C 80.8°F
Driest month: February 24mm 0.9ins
Sunniest month: February 10hrs
Coldest month: July 13.3°C 55.9°F
Wettest month: July 117mm 4.6ins
Map showing location of Stirling (-35.01518, 138.73637) Stirling map pin © Google

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