Kirkwall, Orkney weather in September 2025

Expect 57°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Kirkwall, Orkney in September. Check more long-term weather averages for Kirkwall, Orkney in September before you book your next holiday to Scotland in 2025/2026.

  • 57°F maximum daytime temperature in September in Kirkwall, Orkney57
    57°F max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in September in Kirkwall, Orkney22
    22 days with some rainfall
  • 46°F minimum night-time temperature in September in Kirkwall, Orkney46
    46°F min night temperature
  • 13 hours of daylight per day in September in Kirkwall, Orkney13
    13 hours of daylight per day
  • No heat & humidity in September in Kirkwall, Orkney0
    No heat & humidity
  • 3.9 inches monthly rainfall in September in Kirkwall, Orkney3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Kirkwall, Orkney3
    3 (Moderate) UV index
  • 54°F sea temperature in September in Kirkwall, Orkney54
    54°F sea temperature

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Kirkwall, Orkney by month

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The September weather guide for Scotland (Kirkwall, Orkney) 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 Kirkwall, Orkney in September?

Daytime temperatures usually reach 57°F in Kirkwall, Orkney in September, falling to 46°F at night.

How sunny is it in Kirkwall, Orkney in September?

There are normally 3 hours of bright sunshine each day in Kirkwall, Orkney in September - that's 25% of daylight hours.

How warm is the sea around Kirkwall, Orkney in September?

The average sea temperature around Kirkwall, Orkney in September is 54°F.

Does it rain in Kirkwall, Orkney in September?

There are usually 22 days with some rain in Kirkwall, Orkney in September and the average monthly rainfall is 3.9 inches.

Kirkwall, Orkney September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:10 19:12
Monday, 15th September 2025 05:41 18:31
Tuesday, 30th September 2025 06:15 17:48

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