Monthly climate guide
Katowice weather in September
September in Katowice is typically mild, with average daytime highs around 21°C (70°F) and night-time lows near 10°C (50°F). The month usually brings about 69 mm of rain (some rain) and is often cloudy. Daytime highs are 5°C cooler than August and 7°C warmer than October.
What stands out in September
- Seasonally, September counts as early autumn in Katowice.
- Katowice is usually about 3°C warmer than Zakopane, 130 km away, in September.
- Afternoons and nights feel like different seasons, roughly 11°C apart.
- Temperatures are falling — expect highs around 7°C lower by October.
Avg high
21°C
70°F
Avg low
10°C
50°F
Rainfall
69 mm
some rain
Humidity
70%
relative
Sky
64%
cloud · often cloudy
Katowice weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 1°C / 33°F | -5°C / 23°F | 46 mm | 93% | 84% |
| February | 3°C / 37°F | -4°C / 25°F | 41 mm | 89% | 80% |
| March | 8°C / 47°F | -1°C / 30°F | 40 mm | 82% | 66% |
| April | 15°C / 58°F | 4°C / 39°F | 47 mm | 75% | 63% |
| May | 19°C / 66°F | 8°C / 47°F | 83 mm | 73% | 67% |
| June | 23°C / 74°F | 13°C / 56°F | 85 mm | 69% | 67% |
| July | 25°C / 78°F | 15°C / 58°F | 82 mm | 65% | 64% |
| August | 26°C / 79°F | 15°C / 59°F | 63 mm | 63% | 58% |
| September | 21°C / 70°F | 10°C / 50°F | 69 mm | 70% | 64% |
| October | 14°C / 58°F | 5°C / 41°F | 62 mm | 81% | 69% |
| November | 8°C / 47°F | 2°C / 35°F | 36 mm | 89% | 76% |
| December | 3°C / 37°F | -2°C / 28°F | 41 mm | 92% | 80% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is September a good time to visit Katowice?
Compare the months in the chart above to find your ideal window.
Best time to visit Katowice →Other Poland cities in September
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Katowice weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/poland/katowice/september
<a href="https://weathercompare.eu/weather/poland/katowice/september">Katowice weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/poland/katowice" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Katowice weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/poland/katowice/september">Katowice weather in September</a> – WeatherCompare</p>
Katowice in September: quick answers
Is September a good time to visit Katowice?
Yes. September is one of the best months for Katowice, with highs around 21°C and about 69 mm of rain.
How warm is Katowice in September?
Average highs are about 21°C (70°F) and average lows about 10°C (50°F), based on 10 years of daily data.
Does it rain a lot in Katowice in September?
Katowice typically gets around 69 mm of rain in September — some rain.
Figures are long-term averages for the area around Katowice (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.