Eastbourne Weather in September
What's the weather like in Eastbourne (England) in September 2025?
The climate in Eastbourne during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Eastbourne and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 18.1°C 64.5°F |
|---|---|
| Nightly temperature | 11.4°C 52.4°F |
| Average temperature | 14.7°C 58.5°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 72 mm 2.8 ins |
| Rainy days | 12 days |
| Sea temperature | 17.4°C 63.2°F |
| Humidity | 85% |
| Windspeed | 13.7kph 9 mph |
On average September is the 5th wettest month of the year in Eastbourne with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Eastbourne
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 Eastbourne in September 2025.
Other monthly averages
Best places to visit in September
Eastbourne weather stats
| Hottest month: | August | 19.8°C 67.6°F |
|---|---|---|
| Driest month: | July | 48mm 1.9ins |
| Sunniest month: | August | 7.7hrs |
| Coldest month: | February | 6.7°C 44.1°F |
| Wettest month: | November | 98mm 3.9ins |
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