Click on a day for an hourly weather forecast
The temperatures in Western Norway in September are usually low and can range between 11°C and 14°C.
There’s going to be many days of rain during the month of September in Western Norway.
Western Norway should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Western Norway in September 2025.
If you’re planning to visit Western Norway in the near future, we highly recommend that you review the 14 day weather forecast for Western Norway before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 14 | 7 | 12 | 294 mm | Awful | Western Norway in January |
| February | 3° / 0° | 12 | 5 | 11 | 235 mm | Awful | Western Norway in February |
| March | 5° / 2° | 14 | 9 | 9 | 264 mm | Awful | Western Norway in March |
| April | 8° / 4° | 10 | 16 | 4 | 154 mm | Awful | Western Norway in April |
| May | 11° / 7° | 9 | 21 | 1 | 167 mm | Bad | Western Norway in May |
| June | 14° / 10° | 9 | 21 | 0 | 163 mm | Ok | Western Norway in June |
| July | 16° / 12° | 11 | 20 | 0 | 203 mm | Ok | Western Norway in July |
| August | 16° / 13° | 13 | 18 | 0 | 272 mm | Ok | Western Norway in August |
| September | 14° / 11° | 15 | 15 | 0 | 360 mm | Ok | Western Norway in September |
| October | 10° / 8° | 15 | 16 | 0 | 398 mm | Bad | Western Norway in October |
| November | 7° / 5° | 15 | 13 | 2 | 370 mm | Awful | Western Norway in November |
| December | 4° / 2° | 17 | 7 | 8 | 382 mm | Awful | Western Norway in December |
For a more accurate weather forecast please select a city