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Denmark weather in September 2025
Expect 63°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Denmark in September. Check more long-term weather averages for Denmark in September before you book your next holiday to Denmark in 2025/2026.
- 63°F max day temperature
63 - 5 hours of sunshine per day
- 14 days with some rainfall
14 - 50°F min night temperature
50 - 13 hours of daylight per day
13 - No heat & humidity
0 - 2.4 inches of monthly rainfall
2.4 - 3 (Moderate) UV index
3 - 59°F sea temperature
59
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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.
Top Denmark destinations
Below are average maximum temperatures at popular countries, regions and places in Denmark in September. Select a holiday destination to see more weather parameters.
All Denmark destinations
- Aalborg
- Arhus
- Billund
- Copenhagen
- Esbjerg
- Holstebro
- Nykobing Falster
- Odense
- Ronne, Bornholm
- Sonderborg
Metric (°C) | Imperial (°F)
More about Denmark
How warm is it in Denmark in September?
Daytime temperatures usually reach 63°F in Copenhagen, Denmark in September, falling to 50°F at night.
How sunny is it in Denmark in September?
There are normally 5 hours of bright sunshine each day in Copenhagen, Denmark in September - that's 39% of daylight hours.
How warm is the sea around Denmark in September?
The average sea temperature around Copenhagen, Denmark in September is 59°F.
Does it rain in Denmark in September?
There are usually 14 days with some rain in Copenhagen, Denmark in September and the average monthly rainfall is 2.4 inches.
Denmark September sunrise & sunset times
Browse the sunrise and sunset times for Denmark in September 2025. Select a month to view Denmark sunrise and sunset times for the next 12 months. The Denmark sunrise and sunset times shown below are for Copenhagen.
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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