Copenhagen weather in September 2025

Expect 63°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Copenhagen in September. Check more long-term weather averages for Copenhagen in September before you book your next holiday to Denmark in 2025/2026.

  • 63°F maximum daytime temperature in September in Copenhagen63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Copenhagen14
    14 days with some rainfall
  • 50°F minimum night-time temperature in September in Copenhagen50
    50°F min night temperature
  • 13 hours of daylight per day in September in Copenhagen13
    13 hours of daylight per day
  • No heat & humidity in September in Copenhagen0
    No heat & humidity
  • 2.4 inches monthly rainfall in September in Copenhagen2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Copenhagen3
    3 (Moderate) UV index
  • 59°F sea temperature in September in Copenhagen59
    59°F sea temperature

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The September weather guide for Denmark (Copenhagen) 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 Copenhagen

How warm is it in Copenhagen in September?

Daytime temperatures usually reach 63°F in Copenhagen in September, falling to 50°F at night.

How sunny is it in Copenhagen in September?

There are normally 5 hours of bright sunshine each day in Copenhagen in September - that's 39% of daylight hours.

How warm is the sea around Copenhagen in September?

The average sea temperature around Copenhagen in September is 59°F.

Does it rain in Copenhagen in September?

There are usually 14 days with some rain in Copenhagen in September and the average monthly rainfall is 2.4 inches.

Copenhagen September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:15 19:03
Monday, 15th September 2025 05:42 18:27
Tuesday, 30th September 2025 06:11 17:47

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