Click on a day for an hourly weather forecast
The temperatures in Marstrand in September are usually low and can range between 13°C and 16°C.
You can expect about 3 to 8 days of rain in Marstrand during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Marstrand in September 2026.
If you’re planning to visit Marstrand in the near future, we highly recommend that you review the 14 day weather forecast for Marstrand before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / 0° | 7 | 15 | 10 | 78 mm | Awful | Marstrand in January |
| February | 2° / 0° | 7 | 11 | 10 | 71 mm | Awful | Marstrand in February |
| March | 4° / 2° | 5 | 21 | 5 | 60 mm | Awful | Marstrand in March |
| April | 8° / 5° | 5 | 24 | 1 | 48 mm | Ok | Marstrand in April |
| May | 12° / 9° | 6 | 25 | 0 | 78 mm | Ok | Marstrand in May |
| June | 16° / 13° | 6 | 24 | 0 | 93 mm | Good | Marstrand in June |
| July | 19° / 15° | 7 | 24 | 0 | 115 mm | Ok | Marstrand in July |
| August | 18° / 15° | 9 | 22 | 0 | 164 mm | Ok | Marstrand in August |
| September | 16° / 13° | 7 | 23 | 0 | 115 mm | Ok | Marstrand in September |
| October | 11° / 9° | 8 | 23 | 0 | 125 mm | Bad | Marstrand in October |
| November | 8° / 6° | 8 | 20 | 2 | 100 mm | Awful | Marstrand in November |
| December | 4° / 2° | 9 | 16 | 6 | 97 mm | Awful | Marstrand in December |