Glasgow weather in September 2026

Expect daytime maximum temperatures of 59°F in Glasgow, Scotland in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 59°F maximum daytime temperature in September in Glasgow59
    59°F max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Glasgow19
    19 days with some rainfall
  • 48°F minimum night-time temperature in September in Glasgow48
    48°F min night temperature
  • 13 hours of daylight per day in September in Glasgow13
    13 hours of daylight per day
  • No heat & humidity in September in Glasgow0
    No heat & humidity
  • 5.2 inches monthly rainfall in September in Glasgow5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Glasgow3
    3 (Moderate) UV index

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The September weather guide for Scotland (Glasgow) 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 Glasgow in September?

Daytime temperatures usually reach 61°F in Glasgow in September, falling to 48°F at night.

How sunny is it in Glasgow in September?

There are normally 4 hours of bright sunshine each day in Glasgow in September - that's 28% of daylight hours.

How warm is the sea around Glasgow in September?

The average sea temperature around Glasgow in September is 55°F.

Does it rain in Glasgow in September?

There are usually 17 days with some rain in Glasgow in September and the average monthly rainfall is 2.8 inches.

Glasgow September sunrise & sunset times

Browse the sunrise and sunset times for Glasgow in September 2026. Select a month to view Glasgow sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:21 19:11
Tuesday, 15th September 2026 05:49 18:35
Wednesday, 30th September 2026 06:18 17:55

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