Dumfries weather in September 2025

Expect 16°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Dumfries in September. Check more long-term weather averages for Dumfries in September before you book your next holiday to Scotland in 2025/2026.

  • 16°C maximum daytime temperature in September in Dumfries16
    16°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in September in Dumfries18
    18 days with some rainfall
  • 9°C minimum night-time temperature in September in Dumfries9
    9°C min night temperature
  • 13 hours of daylight per day in September in Dumfries13
    13 hours of daylight per day
  • No heat & humidity in September in Dumfries0
    No heat & humidity
  • 107 mm monthly rainfall in September in Dumfries107
    107 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Dumfries3
    3 (Moderate) UV index

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The September weather guide for Scotland (Dumfries) 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 / mm)  |  Imperial (°F / inches)

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More about Scotland

How warm is it in Dumfries in September?

Daytime temperatures usually reach 16°C in Dumfries in September, falling to 9°C at night.

How sunny is it in Dumfries in September?

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

Does it rain in Dumfries in September?

There are usually 18 days with some rain in Dumfries in September and the average monthly rainfall is 107mm.

Dumfries September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:21 19:07
Monday, 15th September 2025 05:47 18:31
Tuesday, 30th September 2025 06:15 17:52

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