Surrey weather in September 2025

Q: How hot is it in Surrey in September?

Daytime temperatures usually reach 19°C in Guildford, Surrey in September, falling to 9°C at night.

Q: How sunny is it in Surrey in September?

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

Q: Does it rain in Surrey in September?

There are usually 12 days with some rain in Guildford, Surrey in September and the average monthly rainfall is 63mm.

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Surrey in September. Check more long-term weather averages for Surrey in September before you book your next holiday to Surrey in 2025/2026.

19
19°C max day temperature
5
5 hours of sunshine per day
12
12 days with some rainfall
9
9°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 Surrey (Guildford) 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 Surrey destinations

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

More about the UK

How hot is it in Surrey in September?

Daytime temperatures usually reach 19°C in Guildford, Surrey in September, falling to 9°C at night.

How sunny is it in Surrey in September?

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

Does it rain in Surrey in September?

There are usually 12 days with some rain in Guildford, Surrey in September and the average monthly rainfall is 63mm.

Surrey September sunrise & sunset times

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

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