Click on a day for an hourly weather forecast
The temperatures in Steinkjer in September are quite cold with temperatures between 6°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Steinkjer. 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 Steinkjer in September 2026.
If you’re planning to visit Steinkjer in the near future, we highly recommend that you review the 14 day weather forecast for Steinkjer before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -7° | 7 | 9 | 16 | 128 mm | Awful | Steinkjer in January |
| February | -2° / -7° | 7 | 7 | 15 | 114 mm | Awful | Steinkjer in February |
| March | 2° / -5° | 10 | 5 | 18 | 169 mm | Awful | Steinkjer in March |
| April | 6° / 0° | 10 | 10 | 11 | 115 mm | Awful | Steinkjer in April |
| May | 12° / 4° | 9 | 17 | 5 | 87 mm | Awful | Steinkjer in May |
| June | 16° / 7° | 8 | 22 | 0 | 108 mm | Ok | Steinkjer in June |
| July | 19° / 9° | 8 | 23 | 0 | 106 mm | Ok | Steinkjer in July |
| August | 18° / 8° | 8 | 23 | 0 | 127 mm | Ok | Steinkjer in August |
| September | 14° / 6° | 10 | 20 | 0 | 170 mm | Ok | Steinkjer in September |
| October | 7° / 2° | 11 | 18 | 2 | 127 mm | Awful | Steinkjer in October |
| November | 2° / -1° | 9 | 14 | 7 | 107 mm | Awful | Steinkjer in November |
| December | -2° / -5° | 9 | 7 | 16 | 130 mm | Awful | Steinkjer in December |