Click on a day for an hourly weather forecast
The temperatures in Sopot in September are usually low and can range between 12°C and 18°C.
You can expect about 3 to 8 days of rain in Sopot 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 Sopot in September 2025.
If you’re planning to visit Sopot in the near future, we highly recommend that you review the 14 day weather forecast for Sopot before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -2° | 8 | 6 | 18 | 79 mm | Awful | Sopot in January |
| February | 2° / -2° | 6 | 7 | 16 | 60 mm | Awful | Sopot in February |
| March | 6° / 1° | 7 | 14 | 10 | 59 mm | Awful | Sopot in March |
| April | 12° / 4° | 5 | 21 | 4 | 49 mm | Bad | Sopot in April |
| May | 16° / 8° | 6 | 25 | 0 | 84 mm | Good | Sopot in May |
| June | 20° / 12° | 7 | 23 | 0 | 104 mm | Ok | Sopot in June |
| July | 22° / 14° | 8 | 23 | 0 | 156 mm | Ok | Sopot in July |
| August | 22° / 15° | 6 | 25 | 0 | 110 mm | Good | Sopot in August |
| September | 18° / 12° | 5 | 25 | 0 | 82 mm | Good | Sopot in September |
| October | 12° / 7° | 6 | 25 | 0 | 75 mm | Ok | Sopot in October |
| November | 7° / 4° | 8 | 18 | 4 | 76 mm | Awful | Sopot in November |
| December | 3° / 0° | 9 | 9 | 13 | 80 mm | Awful | Sopot in December |