Click on a day for an hourly weather forecast
The temperatures in Klaksvik in September are usually low and can range between 10°C and 11°C.
You can expect rain for roughly half of the month of September in Klaksvik. 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 Klaksvik in September 2025.
If you’re planning to visit Klaksvik in the near future, we highly recommend that you review the 14 day weather forecast for Klaksvik before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 4° | 15 | 10 | 6 | 186 mm | Awful | Klaksvik in January |
| February | 6° / 4° | 14 | 8 | 8 | 163 mm | Awful | Klaksvik in February |
| March | 6° / 5° | 14 | 11 | 5 | 145 mm | Awful | Klaksvik in March |
| April | 7° / 5° | 10 | 16 | 4 | 106 mm | Awful | Klaksvik in April |
| May | 8° / 6° | 11 | 17 | 2 | 100 mm | Awful | Klaksvik in May |
| June | 10° / 8° | 7 | 23 | 0 | 69 mm | Bad | Klaksvik in June |
| July | 12° / 10° | 6 | 25 | 0 | 74 mm | Ok | Klaksvik in July |
| August | 12° / 11° | 6 | 25 | 0 | 75 mm | Ok | Klaksvik in August |
| September | 11° / 10° | 9 | 21 | 0 | 114 mm | Bad | Klaksvik in September |
| October | 9° / 8° | 13 | 18 | 0 | 190 mm | Bad | Klaksvik in October |
| November | 8° / 6° | 14 | 13 | 3 | 177 mm | Awful | Klaksvik in November |
| December | 7° / 5° | 16 | 11 | 4 | 209 mm | Awful | Klaksvik in December |