Devon weather in September 2025

Q: How hot is it in Devon in September?

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

Q: How sunny is it in Devon in September?

There are normally 5 hours of bright sunshine each day in Exeter, Devon in September - that's 37% of daylight hours.

Q: Does it rain in Devon in September?

There are usually 14 days with some rain in Exeter, Devon in September and the average monthly rainfall is 77mm.

Expect 64°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Devon in September. Check more long-term weather averages for Devon in September before you book your next holiday to Devon in 2025/2026.

64
64°F max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
50
50°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
4
4 (Moderate) UV index

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The September weather guide for Devon (Exeter) 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 Devon destinations

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

Metric (°C) | Imperial (°F)

More about the UK

How hot is it in Devon in September?

Daytime temperatures usually reach 64°F in Exeter, Devon in September, falling to 50°F at night.

How sunny is it in Devon in September?

There are normally 5 hours of bright sunshine each day in Exeter, Devon in September - that's 37% of daylight hours.

Does it rain in Devon in September?

There are usually 14 days with some rain in Exeter, Devon in September and the average monthly rainfall is 3.0 inches.

Devon September sunrise & sunset times

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

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