Surrey weather in September 2025

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°C maximum daytime temperature in September in Surrey (Guildford)19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Surrey (Guildford)12
    12 days with some rainfall
  • 9°C minimum night-time temperature in September in Surrey (Guildford)9
    9°C min night temperature
  • 13 hours of daylight per day in September in Surrey (Guildford)13
    13 hours of daylight per day
  • No heat & humidity in September in Surrey (Guildford)0
    No heat & humidity
  • 63 mm monthly rainfall in September in Surrey (Guildford)63
    63 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Surrey (Guildford)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.

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

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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.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:16 18:48
Monday, 15th September 2025 05:38 18:16
Tuesday, 30th September 2025 06:01 17:42

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