Chichester weather in September 2025

Q: How hot is it in Chichester in September?

Daytime temperatures usually reach 18°C in Chichester in September, falling to 10°C at night.

Q: How sunny is it in Chichester in September?

There are normally 5 hours of bright sunshine each day in Chichester in September - that's 41% of daylight hours.

Q: Does it rain in Chichester in September?

There are usually 12 days with some rain in Chichester in September and the average monthly rainfall is 83mm.

Expect daytime maximum temperatures of 18°C in Chichester 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 83 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
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
83
83 mm of monthly rainfall
4
4 (Moderate) UV index

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The September weather guide for England (Chichester) 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 Chichester in September?

Daytime temperatures usually reach 18°C in Chichester in September, falling to 10°C at night.

How sunny is it in Chichester in September?

There are normally 5 hours of bright sunshine each day in Chichester in September - that's 41% of daylight hours.

Does it rain in Chichester in September?

There are usually 12 days with some rain in Chichester in September and the average monthly rainfall is 83mm.

Chichester September sunrise & sunset times

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

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