Click on a day for an hourly weather forecast
The temperatures in Gilleleje in September are usually low and can range between 13°C and 17°C.
You can expect about 3 to 8 days of rain in Gilleleje 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 Gilleleje in September 2026.
If you’re planning to visit Gilleleje in the near future, we highly recommend that you review the 14 day weather forecast for Gilleleje before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 7 | 12 | 11 | 52 mm | Awful | Gilleleje in January |
| February | 3° / 0° | 7 | 10 | 11 | 49 mm | Awful | Gilleleje in February |
| March | 6° / 2° | 6 | 20 | 6 | 42 mm | Awful | Gilleleje in March |
| April | 10° / 5° | 4 | 24 | 2 | 38 mm | Bad | Gilleleje in April |
| May | 14° / 9° | 5 | 26 | 0 | 72 mm | Good | Gilleleje in May |
| June | 18° / 13° | 5 | 25 | 0 | 88 mm | Good | Gilleleje in June |
| July | 20° / 15° | 5 | 26 | 0 | 96 mm | Good | Gilleleje in July |
| August | 20° / 16° | 7 | 24 | 0 | 131 mm | Ok | Gilleleje in August |
| September | 17° / 13° | 4 | 26 | 0 | 71 mm | Good | Gilleleje in September |
| October | 12° / 9° | 6 | 25 | 0 | 76 mm | Ok | Gilleleje in October |
| November | 8° / 6° | 7 | 21 | 2 | 65 mm | Awful | Gilleleje in November |
| December | 4° / 2° | 8 | 14 | 8 | 62 mm | Awful | Gilleleje in December |