Copenhagen weather in September 2026

Q: How warm is it in Copenhagen in September?

Daytime temperatures usually reach 17°C in Copenhagen in September, falling to 10°C at night.

Q: 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.

Q: How warm is the sea around Copenhagen in September?

The average sea temperature around Copenhagen in September is 15°C.

Q: 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 62mm.

Expect daytime maximum temperatures of 63°F in Copenhagen, Denmark in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 2.4 inches of rainfall in the month.

63
63°F max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
50
50°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
2.4
2.4 inches of monthly rainfall
3
3 (Moderate) UV index
59
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)

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 2026. Select a month to view Copenhagen sunrise and sunset times for the next 12 months.

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