Click on a day for an hourly weather forecast
The temperatures in Norway 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 Norway 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 Norway in September 2025.
If you’re planning to visit Norway in the near future, we highly recommend that you review the 14 day weather forecast for Norway before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -7° | 3 | 13 | 15 | 51 mm | Awful | Norway in January |
| February | -1° / -8° | 4 | 11 | 14 | 45 mm | Awful | Norway in February |
| March | 3° / -5° | 6 | 16 | 10 | 46 mm | Awful | Norway in March |
| April | 10° / 2° | 4 | 23 | 3 | 39 mm | Bad | Norway in April |
| May | 15° / 5° | 7 | 23 | 1 | 85 mm | Ok | Norway in May |
| June | 19° / 9° | 7 | 23 | 0 | 89 mm | Ok | Norway in June |
| July | 21° / 11° | 7 | 24 | 0 | 99 mm | Ok | Norway in July |
| August | 20° / 11° | 7 | 24 | 0 | 94 mm | Ok | Norway in August |
| September | 16° / 8° | 5 | 25 | 0 | 69 mm | Good | Norway in September |
| October | 10° / 4° | 7 | 23 | 1 | 68 mm | Bad | Norway in October |
| November | 4° / 0° | 6 | 18 | 6 | 67 mm | Awful | Norway in November |
| December | -1° / -5° | 6 | 14 | 11 | 58 mm | Awful | Norway in December |