The climate in Calvi during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Calvi and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 24°C (75°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 24.1°C 75.4°F |
|---|---|
| Nightly temperature | 16.1°C 61°F |
| Average temperature | 20.1°C 68.2°F |
| Daily sunshine | 8.7 hrs |
| Avg rainfall | 54 mm 2.1 ins |
| Rainy days | 7 days |
| Sea temperature | 22.7°C 72.9°F |
| Humidity | 74% |
| Windspeed | 11.2kph 7 mph |
On average September is the 5th driest month of the year in Calvi with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 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 Calvi in September 2025.
Best places to visit in September
| Hottest month: | August | 26.3°C 79.3°F |
|---|---|---|
| Driest month: | July | 12mm 0.5ins |
| Sunniest month: | July | 11.7hrs |
| Coldest month: | January | 12.3°C 54.1°F |
| Wettest month: | October | 104mm 4.1ins |