SeasonMapSopot weather in September
Poland
September in Sopot: nice, a little rain, with clean air — a great time to visit.
#4 of 12 months in Sopot · #766 of 1383 destinations to visit in September · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sopot in September
No notes yet. Open Sopot on the map to add the first one.
Sopot climate normals — September
| Daytime high | 20°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Feels like (high) | 17°C / 63°F | |
| Sea temperature | 20°C / 67°F | 🌊 fresh |
| Rainfall | 60 mm / 2.4 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 11°C / 52°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.7 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sopot in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyBeach season, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sopot's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSopot's weather peaks June–August.
Best weatherFair weatherToughest weather
What's on in Sopot in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Pier entry fee in season
1 May – 30 Sep · usuallyEurope's longest wooden pier charges to walk out on it during the summer months and is free the rest of the year. Half a kilometre of planks over the Baltic, and the crowd on it is the point. Source ↗
- Season
Beach season
20 Jun – 5 Sep · usuallySummer season opensCrowdedSopot is where Warsaw goes in July: lifeguards, beach bars and the Monte Cassino strip solid with people from the station to the pier. Out of season it is a quiet spa suburb between Gdańsk and Gdynia.
Nearby, and something's on
Within 300 km of Sopot — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sopot?
Sopot in September — FAQ
- Is September a good time to visit Sopot?
- September in Sopot: nice, a little rain, with clean air — a great time to visit. It ranks #4 of 12 months for Sopot on SeasonMap's comfort score (78/100).
- What is the weather like in Sopot in September?
- In September, Sopot averages a daily high of 19.5°C and a low of 10.8°C, with about 59.8 mm of rain over roughly 10.7 rainy days.
- What is the air quality in Sopot in September?
- Sopot has a mean US Air Quality Index of about 43 in September.
Other months in Sopot
Warmer or cooler than Sopot in September
Similar destinations in Central Europe — September
Within 300 km: Kaliningrad's Migration on the Curonian Spit around 15 Aug – 31 Oct, and Warsaw's Chopin concerts in Lazienki on 5 Jul – 27 Sep.