The climate in Mans during September can be summarized as mild and dry.
September is in the fall / autumn in Mans and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 23.7°C 74.7°F |
|---|---|
| Nightly temperature | 7.5°C 45.5°F |
| Average temperature | 15.6°C 60.1°F |
| Daily sunshine | 11 hrs |
| Avg rainfall | 13 mm 0.5 ins |
| Rainy days | 4 days |
| Sea temperature | 24.9°C 76.8°F |
| Humidity | 48% |
| Windspeed | 6.5kph 4 mph |
On average September is the 3rd driest month of the year in Mans with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 11 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 Mans in September 2025.
Best places to visit in September
| Hottest month: | July | 27°C 80.6°F |
|---|---|---|
| Driest month: | August | 8mm 0.3ins |
| Sunniest month: | August | 12.8hrs |
| Coldest month: | January | -1.6°C 29.1°F |
| Wettest month: | April | 91mm 3.6ins |