Bratislava
September
Weather in Bratislava for September 2026
Your guide to Bratislava weather in September - trends and predictions
In general, the average temperature in Bratislava at the beginning of September is 28 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.
Bratislava experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 333.2 mm.
Temperatures
Rain 🌧️
24
Dry days
6
Rainy days
0
Snow days
28°/11°
Temperatures
19 km/h
Avg max wind
63 %
Avg humidity
Bratislava Weather September
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Temperatures trend during September in Bratislava
See the weather trend as well as the moving average line
September weather in Bratislava day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 29° /15° | 0 mm | 7 | |
| 2 Sept. |  Sunny | 29° /16° | 3.8 mm | 7 | |
| 3 Sept. |  Patchy light rain with thunder | 28° /16° | 2.8 mm | 6 | |
| 4 Sept. | Sunny | 29° /16° | 0 mm | 7 | |
| 5 Sept. | Partly cloudy | 27° /16° | 0.1 mm | 7 | |
| 6 Sept. | Sunny | 26° /14° | 0.5 mm | 6 | |
| 7 Sept. | Sunny | 28° /13° | 0 mm | 7 | |
| 8 Sept. | Sunny | 29° /16° | 0 mm | 7 | |
| 9 Sept. | Sunny | 27° /14° | 7.8 mm | 6 | |
| 10 Sept. | Sunny | 24° /15° | 17.8 mm | 6 | |
| 11 Sept. | Sunny | 25° /14° | 0.3 mm | 6 | |
| 12 Sept. | Sunny | 24° /13° | 4.1 mm | 6 | |
| 13 Sept. | Partly cloudy | 19° /12° | 18.7 mm | 5 | |
| 14 Sept. |  Overcast | 18° /10° | 13.8 mm | 4 | |
| 15 Sept. | Partly cloudy | 20° /11° | 21.8 mm | 5 | |
| 16 Sept. | Partly cloudy | 19° /12° | 10.3 mm | 5 | |
| 17 Sept. |  Patchy rain possible | 22° /12° | 0.2 mm | 5 | |
| 18 Sept. | Partly cloudy | 25° /13° | 0 mm | 6 | |
| 19 Sept. | Light rain shower | 24° /14° | 2.2 mm | 6 | |
| 20 Sept. | Partly cloudy | 25° /13° | 0 mm | 7 | |
| 21 Sept. | Sunny | 26° /13° | 0 mm | 6 | |
| 22 Sept. | Patchy rain possible | 22° /12° | 0 mm | 5 | |
| 23 Sept. | Overcast | 19° /11° | 0.1 mm | 5 | |
| 24 Sept. | Overcast | 17° /12° | 1.7 mm | 4 | |
| 25 Sept. | Patchy rain possible | 19° /11° | 1.5 mm | 4 | |
| 26 Sept. | Sunny | 21° /13° | 2.7 mm | 6 | |
| 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 Bratislava 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 Bratislava forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bratislava in September - FAQ
What are the expected maximum and minimum temperatures in Bratislava during September?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bratislava during September?
Significant rainfall exceeding 333.2 mm is expected in Bratislava during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bratislava during September?
The average wind speed in Bratislava during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bratislava
Explore the daily rainfall trends and prepare for Bratislavas September weather 💧
Typically, Bratislava has 6 rainy days in September with a total of 333.2 mm of rainfall.
UV exposure in Bratislava during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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