Ferntree Gully Weather in September
What's the weather like in Ferntree Gully (Victoria) in September 2025?
The climate in Ferntree Gully during September can be summarized as mild and a little damp.
September is in the spring in Ferntree Gully and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 7°C (45°F) is normal.
| Daytime temperature | 16°C 60.8°F |
|---|---|
| Nightly temperature | 7.4°C 45.3°F |
| Average temperature | 11.7°C 53.1°F |
| Daily sunshine | 6.1 hrs |
| Avg rainfall | 89 mm 3.5 ins |
| Rainy days | 11 days |
| Sea temperature | 13.4°C 56°F |
| Humidity | 63% |
| Windspeed | 18kph 11 mph |
On average September is the 3rd wettest month of the year in Ferntree Gully with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
September temperatures in Ferntree Gully
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 Ferntree Gully in September 2025.
Other monthly averages
Best places to visit in September
Ferntree Gully weather stats
| Hottest month: | February | 25.6°C 78.1°F |
|---|---|---|
| Driest month: | February | 51mm 2ins |
| Sunniest month: | January | 9.2hrs |
| Coldest month: | July | 12.4°C 54.3°F |
| Wettest month: | May | 94mm 3.7ins |
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