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Climate

Weather in Poland in September

Weather in Poland, September
In September, Poland sees average highs of 20.6°C (69°F) and lows of 11.4°C (53°F), with around 43 mm of rain.

Poland — September

Poland September
Daytime high
20.6°C (69°F)
Overnight low
11.4°C (53°F)
Rainfall
43 mm
Best-time rank
Off-peak

How September compares

Poland, September vs. the annual average (2025)
This month20.6°C (69°F) / 11.4°C (53°F) · 43 mm
Yearly average14.1°C (57°F) / 6.1°C (43°F) · 57 mm

September in Poland runs 6.5°C (11.7°F) warmer than the yearly average, and is drier than the yearly average. Pack a warm jacket for cooler conditions.

Common questions

What is the weather like in Poland in September?

Average highs of 20.6°C (69°F) and lows of 11.4°C (53°F), with around 43 mm of rain.

Is September a good time to visit Poland?

It is an off-peak month for comfort in Poland; June, July, August tend to be more pleasant.

Updated climate normals, 2025