Stockholm weather in September 2025

Expect 15°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Stockholm in September. Check more long-term weather averages for Stockholm in September before you book your next holiday to Sweden in 2025/2026.

  • 15°C maximum daytime temperature in September in Stockholm15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in September in Stockholm14
    14 days with some rainfall
  • 9°C minimum night-time temperature in September in Stockholm9
    9°C min night temperature
  • 13 hours of daylight per day in September in Stockholm13
    13 hours of daylight per day
  • No heat & humidity in September in Stockholm0
    No heat & humidity
  • 52 mm monthly rainfall in September in Stockholm52
    52 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Stockholm3
    3 (Moderate) UV index
  • 14°C sea temperature in September in Stockholm14
    14°C sea temperature

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The September weather guide for Sweden (Stockholm) 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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How warm is it in Stockholm in September?

Daytime temperatures usually reach 15°C in Stockholm in September, falling to 9°C at night.

How sunny is it in Stockholm in September?

There are normally 4 hours of bright sunshine each day in Stockholm in September - that's 34% of daylight hours.

How warm is the sea around Stockholm in September?

The average sea temperature around Stockholm in September is 14°C.

Does it rain in Stockholm in September?

There are usually 14 days with some rain in Stockholm in September and the average monthly rainfall is 52mm.

Stockholm September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 04:45 18:49
Monday, 15th September 2025 05:16 18:08
Tuesday, 30th September 2025 05:51 17:23

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