- Save £100 per person on holidays with myJet2 account
- Save £200 per couple & £400 for family of four
- Travel before 14th November 2026 (inclusive)
Denmark weather in September 2025
Expect daytime maximum temperatures of 17°C in 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 62 mm of rainfall in the month.
- 17°C max day temperature
17 - 5 hours of sunshine per day
- 14 days with some rainfall
14 - 10°C min night temperature
10 - 13 hours of daylight per day
13 - No heat & humidity
0 - 62 mm of monthly rainfall
62 - 3 (Moderate) UV index
3 - 15°C sea temperature
15
More about Denmark
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Denmark by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Denmark
Expires at 23:59 on Friday 28th Feb 2025 · View all Jet2holidays offers
Jet2holidays deal finder
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 / mm) | Imperial (°F / inches)
More about Denmark
How warm is it in Denmark in September?
Daytime temperatures usually reach 17°C in Copenhagen, Denmark in September, falling to 10°C 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 15°C.
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 62mm.
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 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- January sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport