The climate in Isola delle Femmine during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Isola delle Femmine and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 25.5°C 77.8°F |
|---|---|
| Nightly temperature | 18.9°C 66°F |
| Average temperature | 22.2°C 71.9°F |
| Daily sunshine | 8.9 hrs |
| Avg rainfall | 38 mm 1.5 ins |
| Rainy days | 5 days |
| Sea temperature | 25°C 77°F |
| Humidity | 72% |
| Windspeed | 11.9kph 7 mph |
On average September is the 5th driest month of the year in Isola delle Femmine with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
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 Isola delle Femmine in September 2025.
Best places to visit in September
| Hottest month: | August | 28°C 82.4°F |
|---|---|---|
| Driest month: | July | 6mm 0.2ins |
| Sunniest month: | July | 11.7hrs |
| Coldest month: | January | 12.4°C 54.3°F |
| Wettest month: | December | 85mm 3.3ins |