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The temperatures in Eastern 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 Eastern 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 Eastern Norway in September 2025.
If you’re planning to visit Eastern Norway in the near future, we highly recommend that you review the 14 day weather forecast for Eastern 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 | Eastern Norway in January |
| February | -1° / -8° | 4 | 11 | 14 | 45 mm | Awful | Eastern Norway in February |
| March | 3° / -5° | 6 | 16 | 10 | 46 mm | Awful | Eastern Norway in March |
| April | 10° / 2° | 4 | 23 | 3 | 39 mm | Bad | Eastern Norway in April |
| May | 15° / 5° | 7 | 23 | 1 | 85 mm | Ok | Eastern Norway in May |
| June | 19° / 9° | 7 | 23 | 0 | 89 mm | Ok | Eastern Norway in June |
| July | 21° / 11° | 7 | 24 | 0 | 99 mm | Ok | Eastern Norway in July |
| August | 20° / 11° | 7 | 24 | 0 | 94 mm | Ok | Eastern Norway in August |
| September | 16° / 8° | 5 | 25 | 0 | 69 mm | Good | Eastern Norway in September |
| October | 10° / 4° | 7 | 23 | 1 | 68 mm | Bad | Eastern Norway in October |
| November | 4° / 0° | 6 | 18 | 6 | 67 mm | Awful | Eastern Norway in November |
| December | -1° / -5° | 6 | 14 | 11 | 58 mm | Awful | Eastern Norway in December |
For a more accurate weather forecast please select a city