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Poland
Poland in September
Where it is warm, dry and good for swimming in Poland in September — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Poland in September?
- Krakow is the warmest of the 16 destinations compared, with highs of 20°C (67°F) in September; Zakopane is the coolest at 16°C (61°F).
- Can you swim in the sea in Poland in September?
- Hardly: even the warmest water, at Gdansk (17°C (62°F)), stays below 21 °C.
Warmest
20°
Krakow
Coolest
16°
Zakopane
Driest
44 mm
Poznan
Warmest sea
17°
Gdansk
Across Poland, September highs run from 16°C (61°F) (Zakopane) to 20°C (67°F) (Krakow). On average it is 5 °C (9 °F) cooler than August. Most destinations stay largely dry. Best bets this month: Krakow, Wroclaw, and Poznan.
Best places in Poland in September
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65 
Krakow
Lesser Poland · Poland
20° / 9° 60 mm Sep
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63
Wroclaw
Lower Silesia · Poland
19° / 9° 49 mm Sep
62
Poznan
Greater Poland · Poland
19° / 9° 44 mm Sep
61
Sosnowiec
Silesia · Poland
19° / 9° 64 mm Sep
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58
Warsaw
Mazovia · Poland
18° / 9° 46 mm Sep
60
Katowice
Silesia · Poland
19° / 9° 64 mm Sep
66
Tarnów
Lesser Poland · Poland
19° / 9° 58 mm Sep
59
Lodz
Lodz · Poland
18° / 9° 52 mm Sep
Weather in September by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Krakow | 20° | 9° | 60 mm | — | 65 |
| Wroclaw | 19° | 9° | 49 mm | — | 63 |
| Poznan | 19° | 9° | 44 mm | — | 62 |
| Sosnowiec | 19° | 9° | 64 mm | — | 61 |
| Rzeszów | 18° | 9° | 61 mm | — | 61 |
| Katowice | 19° | 9° | 64 mm | — | 60 |
| Lublin | 18° | 9° | 52 mm | — | 60 |
| Lodz | 18° | 9° | 52 mm | — | 59 |
| Warsaw | 18° | 9° | 46 mm | — | 58 |
| Częstochowa | 18° | 9° | 55 mm | — | 58 |
| Torun | 18° | 9° | 50 mm | — | 57 |
| Szczecin | 18° | 9° | 46 mm | — | 57 |
| Bialystok | 17° | 7° | 57 mm | — | 54 |
| Gdansk | 18° | 10° | 68 mm | 17° | 52 |
| Zakopane | 16° | 5° | 101 mm | — | 50 |
| Gdynia | 17° | 10° | 69 mm | 16° | 50 |
Festivals in Poland in September
- Warsaw Autumn International Festival of Contemporary Music
- Gdynia Film Festival Annual film festival held in Poland
- Wratislavia Cantans Music festival
- Light Move Festival in Łódź
- Ogólnopolski Festiwal Komedii Talia Annual theatre festival held in Tarnów, Poland
Frequently asked questions
What is the weather like in Poland in September?
Average daytime highs range from 16° in Zakopane to 20° in Krakow.
Can you swim in Poland in September?
The sea is cool: the warmest water is around Gdansk at about 17°.