Click on a day for an hourly weather forecast
The temperatures in Gavleborg in September are quite cold with temperatures between 8°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Gavleborg 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 Gavleborg in September 2025.
If you’re planning to visit Gavleborg in the near future, we highly recommend that you review the 14 day weather forecast for Gavleborg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 3 | 10 | 18 | 56 mm | Awful | Gavleborg in January |
| February | -1° / -5° | 4 | 8 | 17 | 45 mm | Awful | Gavleborg in February |
| March | 3° / -2° | 5 | 13 | 14 | 44 mm | Awful | Gavleborg in March |
| April | 9° / 1° | 4 | 21 | 5 | 44 mm | Bad | Gavleborg in April |
| May | 15° / 6° | 5 | 25 | 1 | 70 mm | Good | Gavleborg in May |
| June | 20° / 10° | 6 | 24 | 0 | 84 mm | Good | Gavleborg in June |
| July | 22° / 13° | 6 | 25 | 0 | 99 mm | Good | Gavleborg in July |
| August | 21° / 12° | 6 | 25 | 0 | 94 mm | Good | Gavleborg in August |
| September | 16° / 8° | 5 | 25 | 0 | 62 mm | Good | Gavleborg in September |
| October | 9° / 4° | 7 | 23 | 2 | 74 mm | Awful | Gavleborg in October |
| November | 4° / 1° | 6 | 18 | 6 | 60 mm | Awful | Gavleborg in November |
| December | 0° / -3° | 5 | 11 | 15 | 55 mm | Awful | Gavleborg in December |