Lerwick, Shetland weather in September 2025

Expect 12°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Lerwick, Shetland in September. Check more long-term weather averages for Lerwick, Shetland in September before you book your next holiday to Scotland in 2025/2026.

  • 12°C maximum daytime temperature in September in Lerwick, Shetland12
    12°C max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in September in Lerwick, Shetland22
    22 days with some rainfall
  • 8°C minimum night-time temperature in September in Lerwick, Shetland8
    8°C min night temperature
  • 13 hours of daylight per day in September in Lerwick, Shetland13
    13 hours of daylight per day
  • No heat & humidity in September in Lerwick, Shetland0
    No heat & humidity
  • 116 mm monthly rainfall in September in Lerwick, Shetland116
    116 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in September in Lerwick, Shetland2
    2 (Low) UV index
  • 12°C sea temperature in September in Lerwick, Shetland12
    12°C sea temperature

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The September weather guide for Scotland (Lerwick, Shetland) 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 Lerwick, Shetland in September?

Daytime temperatures usually reach 12°C in Lerwick, Shetland in September, falling to 8°C at night.

How sunny is it in Lerwick, Shetland in September?

There are normally 3 hours of bright sunshine each day in Lerwick, Shetland in September - that's 24% of daylight hours.

How warm is the sea around Lerwick, Shetland in September?

The average sea temperature around Lerwick, Shetland in September is 12°C.

Does it rain in Lerwick, Shetland in September?

There are usually 22 days with some rain in Lerwick, Shetland in September and the average monthly rainfall is 116mm.

Lerwick, Shetland September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:00 19:08
Monday, 15th September 2025 05:33 18:25
Tuesday, 30th September 2025 06:08 17:40

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