Cotswolds weather in September 2025

Q: How hot is it in the Cotswolds in September?

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

Q: How sunny is it in the Cotswolds in September?

There are normally 5 hours of bright sunshine each day in Cirencester, Cotswolds in September - that's 36% of daylight hours.

Q: Does it rain in the Cotswolds in September?

There are usually 14 days with some rain in Cirencester, Cotswolds in September and the average monthly rainfall is 63mm.

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Cotswolds in September. Check more long-term weather averages for Cotswolds in September before you book your next holiday to Cotswolds in 2025/2026.

18
18°C max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
4
4 (Moderate) UV index

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The September weather guide for Cotswolds (Cirencester) 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 the UK

How hot is it in the Cotswolds in September?

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

How sunny is it in the Cotswolds in September?

There are normally 5 hours of bright sunshine each day in Cirencester, Cotswolds in September - that's 36% of daylight hours.

Does it rain in the Cotswolds in September?

There are usually 14 days with some rain in Cirencester, Cotswolds in September and the average monthly rainfall is 63mm.

Cotswolds September sunrise & sunset times

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

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