The climate in Ashdown during September can be summarized as hot, humid and damp.
September is in the fall / autumn in Ashdown and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 29.9°C 85.8°F |
|---|---|
| Nightly temperature | 17.1°C 62.8°F |
| Average temperature | 23.5°C 74.3°F |
| Daily sunshine | 8.8 hrs |
| Avg rainfall | 101 mm 4 ins |
| Rainy days | 7 days |
| Sea temperature | 24.6°C 76.2°F |
| Humidity | 73% |
| Windspeed | 12.2kph 8 mph |
On average September is the 5th wettest month of the year in Ashdown with around 101mm 4 inches of rain making it a damp 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 8.8 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 Ashdown in September 2025.
Best places to visit in September
| Hottest month: | July | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | August | 75mm 3ins |
| Sunniest month: | July | 11.3hrs |
| Coldest month: | January | 11°C 51.8°F |
| Wettest month: | May | 139mm 5.5ins |