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Weather in Silesia for September 2025

Your guide to Silesia weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Silesia is slightly cooler than the historical average by -1 °C.

  • The forecast for the next days in Silesia predicts a temperature of 18.7 °C, which is cooler than the historical average.

  • In general, the average temperature in Silesia at the beginning of September is 27.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14 °C by the end of September.

    • Rain 🌧️

  • Silesia experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 134.2 mm.

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Silesia Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
25°
2
Sunny
29°
3
Sunny
27°
4
Partly cloudy
30°
5
Sunny
30°
6
Partly cloudy
24°
7
Partly cloudy
27°
8
Patchy rain possible
29°
9
Light drizzle
23°
10
Light rain shower
22°
11
Partly cloudy
21°
12
Patchy rain possible
21°
13
Light rain shower
15°
14
Light rain shower
17°
15
Patchy rain possible
20°
16
Light drizzle
20°
17
Patchy rain possible
17°
18
Patchy rain possible
19°
19
Sunny
25°
20
Sunny
28°
21
Sunny
29°
22
Sunny
27°
23
Patchy rain possible
19°
24
Patchy rain possible
16°
25
Patchy rain possible
10°
26
Sunny
13°
27
Partly cloudy
15°
28
Sunny
16°
29
Partly cloudy
15°
30
Patchy rain possible
13°

Temperatures trend during September in Silesia

See the weather trend as well as the moving average line

September weather in Silesia day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 25° /17° 0.1 mm 6
2 Sept. Sunny
Sunny
 29° /17° 1.4 mm 7
3 Sept. Sunny
Sunny
 27° /17° 2.8 mm 7
4 Sept. Partly cloudy
Partly cloudy
 30° /18° 0 mm 8
5 Sept. Sunny
Sunny
 30° /18° 0.4 mm 7
6 Sept. Partly cloudy
Partly cloudy
 24° /15° 1.4 mm 6
7 Sept. Partly cloudy
Partly cloudy
 27° /14° 0 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 29° /17° 1.3 mm 7
9 Sept. Light drizzle
Light drizzle
 23° /14° 1.8 mm 5
10 Sept. Light rain shower
Light rain shower
 22° /14° 2.6 mm 5
11 Sept. Partly cloudy
Partly cloudy
 21° /14° 4.8 mm 5
12 Sept. Patchy rain possible
Patchy rain possible
 21° /11° 2.8 mm 5
13 Sept. Light rain shower
Light rain shower
 15° /11° 13.5 mm 4
14 Sept. Light rain shower
Light rain shower
 17° /13° 38.6 mm 4
15 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 12.9 mm 5
16 Sept. Light drizzle
Light drizzle
 20° /13° 5.4 mm 5
17 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 4.8 mm 0.8
18 Sept. Patchy rain possible
Patchy rain possible
 19° /11° 0.3 mm 1
19 Sept. Sunny
Sunny
 25° /14° 0 mm 1.2
20 Sept. Sunny
Sunny
 28° /15° 0 mm 1.1
21 Sept. Sunny
Sunny
 29° /16° 0 mm 1.4
22 Sept. Sunny
Sunny
 27° /17° 0 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 19° /17° 0.3 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 16° /15° 2.2 mm 4
25 Sept. Patchy rain possible
Patchy rain possible
 10° /9° 0.9 mm 3
26 Sept. Sunny
Sunny
 13° /7° 0 mm 3
27 Sept. Partly cloudy
Partly cloudy
 15° /7° 0 mm 4
28 Sept. Sunny
Sunny
 16° /9° 0 mm 4
29 Sept. Partly cloudy
Partly cloudy
 15° /9° 0 mm 4
30 Sept. Patchy rain possible
Patchy rain possible
 13° /7° 0.2 mm 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 22° 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?
Significant rainfall exceeding 134.2 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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Katowice
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Location coordinates Where is Silesia?

Get accurate weather forecasts for Silesia, located at latitude 50.258 and longitude 19.028. Stay updated with localized weather information tailored for Silesia.

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