Ayr weather in September 2025

Expect daytime maximum temperatures of 59°F in Ayr, Scotland in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 59°F maximum daytime temperature in September in Ayr59
    59°F max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in September in Ayr20
    20 days with some rainfall
  • 48°F minimum night-time temperature in September in Ayr48
    48°F min night temperature
  • 13 hours of daylight per day in September in Ayr13
    13 hours of daylight per day
  • No heat & humidity in September in Ayr0
    No heat & humidity
  • 5.0 inches monthly rainfall in September in Ayr5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Ayr3
    3 (Moderate) UV index
  • 57°F sea temperature in September in Ayr57
    57°F sea temperature

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The September weather guide for Scotland (Ayr) 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)  |  Imperial (°F)

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More about Scotland

How warm is it in Ayr in September?

Daytime temperatures usually reach 59°F in Ayr in September, falling to 48°F at night.

How sunny is it in Ayr in September?

There are normally 4 hours of bright sunshine each day in Ayr in September - that's 29% of daylight hours.

How warm is the sea around Ayr in September?

The average sea temperature around Ayr in September is 57°F.

Does it rain in Ayr in September?

There are usually 20 days with some rain in Ayr in September and the average monthly rainfall is 5.0 inches.

Ayr September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:24 19:11
Monday, 15th September 2025 05:51 18:35
Tuesday, 30th September 2025 06:20 17:56

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