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.
Temperatures
18° / 12°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
82
mm
Sun Hours
9.6
Hrs