Suffolk weather in September 2025

Q: How hot is it in Suffolk in September?

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

Q: How sunny is it in Suffolk in September?

There are normally 5 hours of bright sunshine each day in Norwich, Suffolk in September - that's 38% of daylight hours.

Q: Does it rain in Suffolk in September?

There are usually 13 days with some rain in Norwich, Suffolk in September and the average monthly rainfall is 50mm.

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Suffolk in September based on long-term weather averages. There is usually 13 days with some rainfall and 50 mm of average monthly rainfall in September.

18
18°C max day temperature
5
5 hours of sunshine per day
13
13 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
50
50 mm of monthly rainfall
4
4 (Moderate) UV index

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The September weather guide for Suffolk (Norwich) 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.

Top Suffolk destinations

Below are average maximum temperatures at popular countries, regions and places in Suffolk in September. Select a holiday destination to see more weather parameters.

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

More about the UK

How hot is it in Suffolk in September?

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

How sunny is it in Suffolk in September?

There are normally 5 hours of bright sunshine each day in Norwich, Suffolk in September - that's 38% of daylight hours.

Does it rain in Suffolk in September?

There are usually 13 days with some rain in Norwich, Suffolk in September and the average monthly rainfall is 50mm.

Suffolk September sunrise & sunset times

Browse the sunrise and sunset times for Suffolk in September 2025. Select a month to view Suffolk sunrise and sunset times for the next 12 months. The Suffolk sunrise and sunset times shown below are for Norwich.

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