Silesia (Katowice)
September
Weather in Silesia for September 2025
Your guide to Silesia weather in September - trends and predictions
In general, the average temperature in Silesia at the beginning of September is 30 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °C by the end of September.
Silesia experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 119.5 mm.
Temperatures
Rain 🌧️
21
Dry days
9
Rainy days
0
Snow days
22°/14°
Temperatures
17 km/h
Avg max wind
57 %
Avg humidity
Silesia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  31° | 3 33° | 4  32° | 5 30° | 6 30° | 7 31° |
| 8 31° | 9  22° | 10 20° | 11 23° | 12 17° | 13 10° | 14 16° |
| 15 18° | 16 20° | 17  21° | 18  23° | 19 21° | 20 21° | 21 22° |
| 22 22° | 23  22° | 24 23° | 25 21° | 26 21° | 27 21° | 28 16° |
| 29 12° | 30 15° |
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Temperatures trend during September in Silesia
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 23° /18° | 0.1 mm | 5 | |
| 2 Sept. | Sunny | 31° /18° | 0 mm | 8 | |
| 3 Sept. | Sunny | 33° /20° | 0 mm | 8 | |
| 4 Sept. | Partly cloudy | 32° /20° | 0 mm | 8 | |
| 5 Sept. | Sunny | 30° /20° | 0 mm | 8 | |
| 6 Sept. | Partly cloudy | 30° /18° | 0 mm | 8 | |
| 7 Sept. | Partly cloudy | 31° /18° | 0 mm | 8 | |
| 8 Sept. | Patchy rain possible | 31° /20° | 0.1 mm | 7 | |
| 9 Sept. | Light drizzle | 22° /15° | 3.5 mm | 5 | |
| 10 Sept. | Light rain shower | 20° /14° | 0.9 mm | 5 | |
| 11 Sept. | Partly cloudy | 23° /14° | 0 mm | 6 | |
| 12 Sept. | Patchy rain possible | 17° /10° | 3.2 mm | 4 | |
| 13 Sept. | Light rain shower | 10° /9° | 21.8 mm | 3 | |
| 14 Sept. | Light rain shower | 16° /14° | 59.9 mm | 4 | |
| 15 Sept. | Patchy rain possible | 18° /13° | 24.4 mm | 4 | |
| 16 Sept. | Light drizzle | 20° /12° | 3.4 mm | 5 | |
| 17 Sept. | Cloudy | 21° /12° | 0 mm | 5 | |
| 18 Sept. | Thundery outbreaks possible | 23° /13° | 0.8 mm | 5 | |
| 19 Sept. | Partly cloudy | 21° /12° | 0 mm | 6 | |
| 20 Sept. | Sunny | 21° /12° | 0 mm | 6 | |
| 21 Sept. | Sunny | 22° /10° | 0 mm | 6 | |
| 22 Sept. | Sunny | 22° /11° | 0 mm | 6 | |
| 23 Sept. | Overcast | 22° /12° | 0 mm | 5 | |
| 24 Sept. | Light drizzle | 23° /13° | 1 mm | 5 | |
| 25 Sept. | Sunny | 21° /12° | 0 mm | 6 | |
| 26 Sept. | Patchy rain possible | 21° /13° | 0 mm | 5 | |
| 27 Sept. | Patchy rain possible | 21° /15° | 0.2 mm | 5 | |
| 28 Sept. | Patchy rain possible | 16° /11° | 0.1 mm | 4 | |
| 29 Sept. | Patchy rain possible | 12° /8° | 0.1 mm | 3 | |
| 30 Sept. | Partly cloudy | 15° /8° | 0 mm | 5 | |
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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.
Silesia in September - FAQ
What are the expected maximum and minimum temperatures in Silesia during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Silesia during September?
Significant rainfall exceeding 119.5 mm is expected in Silesia during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Silesia during September?
The average wind speed in Silesia during September is 17 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 💧
UV exposure in Silesia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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