Click on a day for an hourly weather forecast
The weather in Hellesylt in September is very cold with temperatures between 4°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Hellesylt. 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 Hellesylt in September 2025.
If you’re planning to visit Hellesylt in the near future, we highly recommend that you review the 14 day weather forecast for Hellesylt before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -6° / -11° | 10 | 5 | 19 | 228 mm | Awful | Hellesylt in January |
| February | -5° / -10° | 10 | 4 | 18 | 174 mm | Awful | Hellesylt in February |
| March | -2° / -9° | 13 | 3 | 18 | 222 mm | Awful | Hellesylt in March |
| April | 1° / -6° | 10 | 10 | 10 | 161 mm | Awful | Hellesylt in April |
| May | 6° / -1° | 10 | 17 | 4 | 107 mm | Awful | Hellesylt in May |
| June | 11° / 5° | 9 | 21 | 0 | 128 mm | Bad | Hellesylt in June |
| July | 14° / 7° | 13 | 18 | 0 | 203 mm | Ok | Hellesylt in July |
| August | 13° / 7° | 11 | 20 | 0 | 173 mm | Bad | Hellesylt in August |
| September | 9° / 4° | 11 | 19 | 0 | 162 mm | Bad | Hellesylt in September |
| October | 3° / -1° | 11 | 18 | 2 | 149 mm | Awful | Hellesylt in October |
| November | -2° / -6° | 11 | 11 | 8 | 170 mm | Awful | Hellesylt in November |
| December | -5° / -9° | 13 | 5 | 17 | 226 mm | Awful | Hellesylt in December |