Eastbourne weather in September 2025

Q: How hot is it in Eastbourne in September?

Daytime temperatures usually reach 18°C in Eastbourne in September, falling to 11°C at night.

Q: How sunny is it in Eastbourne in September?

There are normally 5 hours of bright sunshine each day in Eastbourne in September - that's 43% of daylight hours.

Q: How warm is the sea around Eastbourne in September?

The average sea temperature around Eastbourne in September is 17°C.

Q: Does it rain in Eastbourne in September?

There are usually 12 days with some rain in Eastbourne in September and the average monthly rainfall is 72mm.

Expect daytime maximum temperatures of 18°C in Eastbourne in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 72 mm of rainfall in the month.

18
18°C max day temperature
5
5 hours of sunshine per day
12
12 days with some rainfall
11
11°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
72
72 mm of monthly rainfall
4
4 (Moderate) UV index
17
17°C sea temperature

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The September weather guide for England (Eastbourne) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about England

How hot is it in Eastbourne in September?

Daytime temperatures usually reach 18°C in Eastbourne in September, falling to 11°C at night.

How sunny is it in Eastbourne in September?

There are normally 5 hours of bright sunshine each day in Eastbourne in September - that's 43% of daylight hours.

How warm is the sea around Eastbourne in September?

The average sea temperature around Eastbourne in September is 17°C.

Does it rain in Eastbourne in September?

There are usually 12 days with some rain in Eastbourne in September and the average monthly rainfall is 72mm.

Eastbourne September sunrise & sunset times

Browse the sunrise and sunset times for Eastbourne in September 2025. Select a month to view Eastbourne sunrise and sunset times for the next 12 months.

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