Click on a day for an hourly weather forecast
The temperatures in Helgeroa in September are usually low and can range between 12°C and 15°C.
You can expect rain for roughly half of the month of September in Helgeroa. 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 Helgeroa in September 2026.
If you’re planning to visit Helgeroa in the near future, we highly recommend that you review the 14 day weather forecast for Helgeroa before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -2° | 11 | 16 | 4 | 101 mm | Awful | Helgeroa in January |
| February | 2° / -2° | 9 | 17 | 3 | 76 mm | Awful | Helgeroa in February |
| March | 4° / 0° | 6 | 22 | 3 | 74 mm | Awful | Helgeroa in March |
| April | 9° / 4° | 4 | 25 | 0 | 52 mm | Ok | Helgeroa in April |
| May | 13° / 8° | 7 | 24 | 0 | 78 mm | Bad | Helgeroa in May |
| June | 17° / 13° | 6 | 24 | 0 | 79 mm | Good | Helgeroa in June |
| July | 19° / 15° | 8 | 23 | 0 | 105 mm | Ok | Helgeroa in July |
| August | 18° / 15° | 9 | 22 | 0 | 116 mm | Ok | Helgeroa in August |
| September | 15° / 12° | 8 | 22 | 0 | 134 mm | Ok | Helgeroa in September |
| October | 11° / 8° | 10 | 21 | 0 | 145 mm | Bad | Helgeroa in October |
| November | 7° / 4° | 10 | 19 | 1 | 142 mm | Bad | Helgeroa in November |
| December | 3° / 0° | 12 | 16 | 3 | 111 mm | Awful | Helgeroa in December |