Click on a day for an hourly weather forecast
The temperatures in Denmark in September are usually low and can range between 14°C and 17°C.
You can expect about 3 to 8 days of rain in Denmark during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Denmark in September 2025.
If you’re planning to visit Denmark in the near future, we highly recommend that you review the 14 day weather forecast for Denmark before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 1° | 6 | 14 | 10 | 35 mm | Awful | Denmark in January |
| February | 3° / 0° | 5 | 15 | 9 | 29 mm | Awful | Denmark in February |
| March | 5° / 2° | 4 | 23 | 4 | 25 mm | Awful | Denmark in March |
| April | 9° / 5° | 3 | 26 | 2 | 19 mm | Bad | Denmark in April |
| May | 13° / 9° | 4 | 27 | 0 | 40 mm | Ok | Denmark in May |
| June | 18° / 13° | 3 | 27 | 0 | 48 mm | Good | Denmark in June |
| July | 20° / 15° | 4 | 27 | 0 | 60 mm | Good | Denmark in July |
| August | 20° / 16° | 4 | 27 | 0 | 68 mm | Good | Denmark in August |
| September | 17° / 14° | 3 | 27 | 0 | 39 mm | Good | Denmark in September |
| October | 12° / 10° | 4 | 27 | 0 | 44 mm | Ok | Denmark in October |
| November | 8° / 6° | 6 | 23 | 1 | 41 mm | Ok | Denmark in November |
| December | 5° / 3° | 6 | 17 | 7 | 38 mm | Awful | Denmark in December |