Silesia (Katowice)
September
Weather in Silesia for September 2026
Your guide to Silesia weather in September - trends and predictions
Until now, September 2026 in Silesia is cooler than usual, with temperatures averaging 19.1 °C, this is 2.2 °C below the typical seasonal average.
In general, the average temperature in Silesia at the beginning of September is 25.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °C by the end of September.
The climate of Silesia in September is notably wet, with an average of 13 rainy days, and a total of 94.5 mm of precipitation.
Temperatures
Rain 🌧️
17
Dry days
13
Rainy days
0
Snow days
21°/13°
Temperatures
16 km/h
Avg max wind
62 %
Avg humidity
Silesia Weather September
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What’s the Weather Like in Silesia This September?
Discover the average temperatures and weather trends across Silesia’s cities this September.
Temperatures trend during September in Silesia
See the weather trend as well as the moving average line
September weather in Silesia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 24° /16° | 0.1 mm | 5 | |
| 2 Sept. |  Sunny | 27° /17° | 0.9 mm | 6 | |
| 3 Sept. | Sunny | 26° /16° | 2.1 mm | 5 | |
| 4 Sept. |  Partly cloudy | 28° /17° | 0 mm | 5 | |
| 5 Sept. | Sunny | 27° /16° | 1.2 mm | 6 | |
| 6 Sept. | Partly cloudy | 23° /13° | 1 mm | 6 | |
| 7 Sept. | Partly cloudy | 25° /13° | 0 mm | 5 | |
| 8 Sept. | Patchy rain possible | 29° /16° | 0.9 mm | 6 | |
| 9 Sept. |  Light drizzle | 25° /14° | 1.2 mm | 5 | |
| 10 Sept. | Patchy rain possible | 20° /13° | 2.8 mm | 4 | |
| 11 Sept. | Partly cloudy | 18° /12° | 6.7 mm | 4 | |
| 12 Sept. | Patchy rain possible | 20° /10° | 1.8 mm | 4 | |
| 13 Sept. | Light rain shower | 16° /11° | 9.4 mm | 3 | |
| 14 Sept. | Light rain shower | 17° /13° | 27.3 mm | 3 | |
| 15 Sept. | Patchy rain possible | 20° /11° | 8.7 mm | 4 | |
| 16 Sept. | Light drizzle | 21° /12° | 3.6 mm | 4 | |
| 17 Sept. |  Cloudy | 19° /11° | 5 mm | 3 | |
| 18 Sept. |  Overcast | 21° /11° | 0.3 mm | 4 | |
| 19 Sept. | Overcast | 22° /13° | 0 mm | 5 | |
| 20 Sept. | Sunny | 24° /13° | 1.2 mm | 5 | |
| 21 Sept. | Sunny | 21° /11° | 4.3 mm | 5 | |
| 22 Sept. | Sunny | 19° /9° | 1.4 mm | 4 | |
| 23 Sept. | Overcast | 16° /9° | 1 mm | 3 | |
| 24 Sept. | Light drizzle | 17° /10° | 1.1 mm | 4 | |
| 25 Sept. | Sunny | 16° /8° | 0.4 mm | 3 | |
| 26 Sept. | Overcast | 18° /10° | 0 mm | 3 | |
| 27 Sept. | Patchy rain possible | 20° /10° | 0.1 mm | 4 | |
| 28 Sept. | Patchy rain possible | 18° /9° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 12° /7° | 0.6 mm | 3 | |
| 30 Sept. | Sunny | 21° /13° | 0 mm | 3.2 | |
| Next | |||||
Important Notice
Our weather forecast for Silesia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Silesia forecast closer to your planned date for the most up-to-date weather information.
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Silesia in September - FAQ
What are the expected maximum and minimum temperatures in Silesia during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Silesia during September?
Moderate rainfall is anticipated in Silesia during September, with a total of 94.5 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Silesia during September?
The average wind speed in Silesia during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Silesia
Explore the daily rainfall trends and prepare for Silesias September weather 💧
Typically, Silesia has 13 rainy days in September with a total of 94.5 mm of rainfall.
UV exposure in Silesia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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