Click on a day for an hourly weather forecast
The temperatures in Stavanger in September are usually low and can range between 13°C and 15°C.
You can expect rain for roughly half of the month of September in Stavanger. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Stavanger in September 2025.
If you’re planning to visit Stavanger in the near future, we highly recommend that you review the 14 day weather forecast for Stavanger before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 2° | 10 | 15 | 6 | 136 mm | Awful | Stavanger in January |
| February | 4° / 2° | 10 | 12 | 7 | 123 mm | Awful | Stavanger in February |
| March | 5° / 3° | 9 | 18 | 4 | 106 mm | Awful | Stavanger in March |
| April | 8° / 5° | 6 | 22 | 2 | 62 mm | Bad | Stavanger in April |
| May | 11° / 8° | 7 | 24 | 0 | 103 mm | Bad | Stavanger in May |
| June | 14° / 11° | 5 | 25 | 0 | 84 mm | Good | Stavanger in June |
| July | 16° / 14° | 7 | 24 | 0 | 128 mm | Ok | Stavanger in July |
| August | 17° / 14° | 10 | 21 | 0 | 177 mm | Ok | Stavanger in August |
| September | 15° / 13° | 9 | 21 | 0 | 164 mm | Ok | Stavanger in September |
| October | 11° / 9° | 11 | 20 | 0 | 175 mm | Bad | Stavanger in October |
| November | 8° / 7° | 11 | 18 | 1 | 158 mm | Bad | Stavanger in November |
| December | 6° / 4° | 12 | 16 | 4 | 173 mm | Awful | Stavanger in December |