Slovakia (Bratislava)
September
Weather in Slovakia for September 2026
Your guide to Slovakia weather in September - trends and predictions
Until now, September 2026 in Slovakia is slightly cooler than the historical average by 1.6 °C.
Expect cooler weather in the next days in Slovakia with the forecast suggesting a temperature of 22.3 °C, lower than the historical average.
In general, the average temperature in Slovakia at the beginning of September is 27.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.9 °C by the end of September.
The climate of Slovakia in September is notably wet, with an average of 13 rainy days, and a total of 111.1 mm of precipitation.
Temperatures
Rain 🌧️
17
Dry days
13
Rainy days
0
Snow days
23°/13°
Temperatures
19 km/h
Avg max wind
63 %
Avg humidity
Slovakia Weather September
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What’s the Weather Like in Slovakia This September?
Discover the average temperatures and weather trends across Slovakia’s cities this September.
Temperatures trend during September in Slovakia
See the weather trend as well as the moving average line
September weather in Slovakia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 28° /15° | 0.3 mm | 7 | |
| 2 Sept. |  Sunny | 29° /16° | 2.8 mm | 6 | |
| 3 Sept. |  Patchy light rain with thunder | 27° /17° | 2.2 mm | 5 | |
| 4 Sept. | Sunny | 29° /16° | 0 mm | 6 | |
| 5 Sept. | Partly cloudy | 27° /16° | 0.1 mm | 6 | |
| 6 Sept. | Sunny | 25° /14° | 0.4 mm | 6 | |
| 7 Sept. | Sunny | 28° /13° | 0 mm | 7 | |
| 8 Sept. | Sunny | 29° /16° | 0 mm | 7 | |
| 9 Sept. | Sunny | 28° /14° | 7.4 mm | 6 | |
| 10 Sept. | Sunny | 22° /14° | 13.9 mm | 5 | |
| 11 Sept. | Sunny | 23° /13° | 3.4 mm | 5 | |
| 12 Sept. | Sunny | 23° /12° | 3.1 mm | 5 | |
| 13 Sept. |  Overcast | 21° /14° | 0 mm | 4.1 | |
| 14 Sept. |  Patchy rain possible | 17° /14° | 7.9 mm | 2.1 | |
| 15 Sept. | Sunny | 23° /13° | 0 mm | 4.8 | |
| 16 Sept. | Sunny | 26° /14° | 0 mm | 5 | |
| 17 Sept. | Overcast | 18° /14° | 3.8 mm | 4 | |
| 18 Sept. | Overcast | 18° /13° | 0 mm | 4 | |
| 19 Sept. | Sunny | 23° /15° | 0 mm | 6 | |
| 20 Sept. | Sunny | 25° /16° | 0 mm | 6 | |
| 21 Sept. | Sunny | 25° /16° | 0 mm | 7 | |
| 22 Sept. | Sunny | 21° /16° | 0 mm | 6 | |
| 23 Sept. | Sunny | 21° /12° | 0 mm | 6 | |
| 24 Sept. | Overcast | 24° /15° | 0 mm | 6 | |
| 25 Sept. | Sunny | 25° /15° | 0 mm | 6 | |
| 26 Sept. | Sunny | 25° /15° | 0.4 mm | 7 | |
| 27 Sept. |  Cloudy | 21° /12° | 0.3 mm | 5 | |
| 28 Sept. | Sunny | 21° /11° | 0 mm | 5 | |
| 29 Sept. | Sunny | 19° /8° | 0.1 mm | 5 | |
| 30 Sept. |  Light rain | 18° /7° | 0.5 mm | 4 | |
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Important Notice
Our weather forecast for Slovakia 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 Slovakia forecast closer to your planned date for the most up-to-date weather information.
Change Month
Slovakia in September - FAQ
What are the expected maximum and minimum temperatures in Slovakia during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Slovakia during September?
Significant rainfall exceeding 111.1 mm is expected in Slovakia during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Slovakia during September?
The average wind speed in Slovakia during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Slovakia
Explore the daily rainfall trends and prepare for Slovakias September weather 💧
Typically, Slovakia has 13 rainy days in September with a total of 111.1 mm of rainfall.
UV exposure in Slovakia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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