Wiltshire weather in September 2025

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

  • 18°C maximum daytime temperature in September in Wiltshire (Salisbury)18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in September in Wiltshire (Salisbury)13
    13 days with some rainfall
  • 9°C minimum night-time temperature in September in Wiltshire (Salisbury)9
    9°C min night temperature
  • 13 hours of daylight per day in September in Wiltshire (Salisbury)13
    13 hours of daylight per day
  • No heat & humidity in September in Wiltshire (Salisbury)0
    No heat & humidity
  • 62 mm monthly rainfall in September in Wiltshire (Salisbury)62
    62 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Wiltshire (Salisbury)4
    4 (Moderate) UV index

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The September weather guide for Wiltshire (Salisbury) 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 Wiltshire destinations

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

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

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More about the UK

How hot is it in Wiltshire in September?

Daytime temperatures usually reach 18°C in Salisbury, Wiltshire in September, falling to 9°C at night.

How sunny is it in Wiltshire in September?

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

Does it rain in Wiltshire in September?

There are usually 13 days with some rain in Salisbury, Wiltshire in September and the average monthly rainfall is 62mm.

Wiltshire September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:21 18:52
Monday, 15th September 2025 05:43 18:21
Tuesday, 30th September 2025 06:06 17:47

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