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