Click on a day for an hourly weather forecast
The temperatures in Bronnoysund in September are usually low and can range between 10°C and 12°C.
You can expect rain for roughly half of the month of September in Bronnoysund. 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 Bronnoysund in September 2026.
If you’re planning to visit Bronnoysund in the near future, we highly recommend that you review the 14 day weather forecast for Bronnoysund before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -2° | 10 | 8 | 15 | 201 mm | Awful | Bronnoysund in January |
| February | 0° / -3° | 9 | 5 | 15 | 190 mm | Awful | Bronnoysund in February |
| March | 2° / -1° | 12 | 3 | 17 | 237 mm | Awful | Bronnoysund in March |
| April | 5° / 2° | 11 | 8 | 11 | 164 mm | Awful | Bronnoysund in April |
| May | 9° / 6° | 10 | 16 | 4 | 118 mm | Awful | Bronnoysund in May |
| June | 12° / 9° | 9 | 21 | 0 | 124 mm | Bad | Bronnoysund in June |
| July | 15° / 11° | 9 | 22 | 0 | 128 mm | Ok | Bronnoysund in July |
| August | 15° / 12° | 9 | 22 | 0 | 165 mm | Ok | Bronnoysund in August |
| September | 12° / 10° | 12 | 18 | 0 | 240 mm | Bad | Bronnoysund in September |
| October | 8° / 6° | 14 | 15 | 2 | 229 mm | Awful | Bronnoysund in October |
| November | 5° / 3° | 13 | 11 | 6 | 205 mm | Awful | Bronnoysund in November |
| December | 2° / -1° | 12 | 7 | 14 | 233 mm | Awful | Bronnoysund in December |