Karlovy Vary
September
Weather in Karlovy Vary for September 2026
Your guide to Karlovy Vary weather in September - trends and predictions
In general, the average temperature in Karlovy Vary at the beginning of September is 24.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.6 °C by the end of September.
Karlovy Vary experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 132.8 mm.
Temperatures
Rain 🌧️
20
Dry days
10
Rainy days
0
Snow days
21°/7°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
Karlovy Vary Weather September
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Temperatures trend during September in Karlovy Vary
See the weather trend as well as the moving average line
September weather in Karlovy Vary day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 26° /12° | 0.4 mm | 7 | |
| 2 Sept. |  Patchy rain possible | 24° /13° | 5.8 mm | 5 | |
| 3 Sept. |  Thundery outbreaks possible | 25° /12° | 0.7 mm | 6 | |
| 4 Sept. |  Sunny | 27° /14° | 0 mm | 7 | |
| 5 Sept. | Partly cloudy | 24° /13° | 2.2 mm | 6 | |
| 6 Sept. | Partly cloudy | 23° /10° | 0.7 mm | 6 | |
| 7 Sept. | Sunny | 24° /9° | 0 mm | 6 | |
| 8 Sept. | Sunny | 26° /12° | 0.1 mm | 7 | |
| 9 Sept. | Light rain shower | 20° /10° | 10 mm | 5 | |
| 10 Sept. | Light rain shower | 19° /9° | 2 mm | 5 | |
| 11 Sept. |  Light drizzle | 17° /6° | 1.9 mm | 4 | |
| 12 Sept. | Light rain shower | 15° /6° | 1.5 mm | 4 | |
| 13 Sept. | Patchy rain possible | 16° /6° | 0.8 mm | 4 | |
| 14 Sept. | Light rain | 14° /4° | 14 mm | 4 | |
| 15 Sept. | Light drizzle | 17° /5° | 4 mm | 4 | |
| 16 Sept. | Light drizzle | 13° /7° | 1.3 mm | 3 | |
| 17 Sept. | Patchy rain possible | 18° /7° | 0.1 mm | 5 | |
| 18 Sept. | Sunny | 21° /7° | 0.2 mm | 6 | |
| 19 Sept. | Partly cloudy | 22° /9° | 0 mm | 6 | |
| 20 Sept. | Partly cloudy | 24° /10° | 0 mm | 6 | |
| 21 Sept. |  Mist | 22° /9° | 0.9 mm | 5 | |
| 22 Sept. | Sunny | 16° /6° | 2.7 mm | 5 | |
| 23 Sept. | Patchy light drizzle | 18° /6° | 0.5 mm | 4 | |
| 24 Sept. | Light rain shower | 15° /5° | 4.8 mm | 4 | |
| 25 Sept. |  Overcast | 13° /6° | 8.1 mm | 3 | |
| 26 Sept. | Light drizzle | 14° /6° | 2.1 mm | 4 | |
| 27 Sept. | Light rain shower | 14° /7° | 1 mm | 3 | |
| 28 Sept. | Light drizzle | 15° /5° | 0.7 mm | 4 | |
| 29 Sept. | Patchy rain possible | 13° /3° | 0 mm | 4 | |
| 30 Sept. | Overcast | 11° /2° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Karlovy Vary 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 Karlovy Vary forecast closer to your planned date for the most up-to-date weather information.
Change Month
Karlovy Vary in September - FAQ
What are the expected maximum and minimum temperatures in Karlovy Vary during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Karlovy Vary during September?
Significant rainfall exceeding 132.8 mm is expected in Karlovy Vary during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Karlovy Vary during September?
The average wind speed in Karlovy Vary during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Karlovy Vary
Explore the daily rainfall trends and prepare for Karlovy Varys September weather 💧
UV exposure in Karlovy Vary during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Karlovy Vary?Get accurate weather forecasts for Karlovy Vary, located at latitude 50.233 and longitude 12.871. Stay updated with localized weather information tailored for Karlovy Vary.
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