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The temperatures in Olafsvik in September are quite cold with temperatures between 8°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Olafsvik. 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.
Please note that Olafsvik can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Olafsvik in September 2025.
If you’re planning to visit Olafsvik in the near future, we highly recommend that you review the 14 day weather forecast for Olafsvik before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 1° | 12 | 7 | 13 | 203 mm | Awful | Olafsvik in January |
| February | 3° / 1° | 10 | 8 | 11 | 189 mm | Awful | Olafsvik in February |
| March | 3° / 1° | 10 | 8 | 13 | 184 mm | Awful | Olafsvik in March |
| April | 5° / 2° | 11 | 11 | 8 | 147 mm | Awful | Olafsvik in April |
| May | 7° / 4° | 11 | 18 | 2 | 117 mm | Awful | Olafsvik in May |
| June | 9° / 7° | 7 | 23 | 0 | 87 mm | Bad | Olafsvik in June |
| July | 11° / 9° | 7 | 24 | 0 | 92 mm | Bad | Olafsvik in July |
| August | 11° / 9° | 8 | 23 | 0 | 123 mm | Bad | Olafsvik in August |
| September | 9° / 8° | 13 | 17 | 1 | 206 mm | Bad | Olafsvik in September |
| October | 7° / 5° | 13 | 15 | 3 | 192 mm | Awful | Olafsvik in October |
| November | 5° / 3° | 13 | 10 | 7 | 152 mm | Awful | Olafsvik in November |
| December | 3° / 1° | 10 | 11 | 10 | 157 mm | Awful | Olafsvik in December |