Click on a day for an hourly weather forecast
The temperatures in Seljord in September are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Seljord. 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 Seljord in September 2025.
If you’re planning to visit Seljord in the near future, we highly recommend that you review the 14 day weather forecast for Seljord before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -10° | 5 | 9 | 17 | 118 mm | Awful | Seljord in January |
| February | -2° / -10° | 5 | 7 | 18 | 105 mm | Awful | Seljord in February |
| March | 2° / -7° | 6 | 10 | 15 | 93 mm | Awful | Seljord in March |
| April | 7° / -2° | 5 | 18 | 7 | 64 mm | Bad | Seljord in April |
| May | 13° / 3° | 8 | 21 | 2 | 126 mm | Awful | Seljord in May |
| June | 18° / 7° | 8 | 22 | 0 | 136 mm | Ok | Seljord in June |
| July | 20° / 9° | 10 | 21 | 0 | 162 mm | Ok | Seljord in July |
| August | 18° / 7° | 9 | 22 | 0 | 167 mm | Ok | Seljord in August |
| September | 14° / 5° | 8 | 22 | 0 | 154 mm | Ok | Seljord in September |
| October | 8° / 0° | 10 | 18 | 3 | 168 mm | Awful | Seljord in October |
| November | 2° / -4° | 10 | 9 | 11 | 158 mm | Awful | Seljord in November |
| December | -2° / -8° | 8 | 7 | 16 | 145 mm | Awful | Seljord in December |