Weather in Prague for September 2025
In general, the average temperature in Prague at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of September.
Prague in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 68.3 mm.
Temperatures
Rain 🌧️
Prague in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  24° | 3 25° | 4 26° | 5  26° | 6 25° | 7 26° |
| 8 26° | 9 25° | 10  24° | 11 22° | 12 21° | 13 21° | 14 20° |
| 15 19° | 16 19° | 17 20° | 18 20° | 19 17° | 20 18° | 21 19° |
| 22 17° | 23 19° | 24 18° | 25 21° | 26 21° | 27 19° | 28 18° |
| 29 17° | 30  16° |
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Temperatures trend during September in Prague
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 22° /13° | 0.7 mm | 5 | |
| 2 Sept. | Sunny | 24° /12° | 0.9 mm | 6 | |
| 3 Sept. | Sunny | 25° /13° | 1.5 mm | 6 | |
| 4 Sept. | Sunny | 26° /14° | 0.9 mm | 6 | |
| 5 Sept. | Partly cloudy | 26° /15° | 0.1 mm | 6 | |
| 6 Sept. | Sunny | 25° /14° | 0 mm | 6 | |
| 7 Sept. | Partly cloudy | 26° /14° | 0.4 mm | 7 | |
| 8 Sept. | Sunny | 26° /14° | 1.5 mm | 7 | |
| 9 Sept. | Sunny | 25° /13° | 4.5 mm | 6 | |
| 10 Sept. | Moderate rain at times | 24° /13° | 2.3 mm | 6 | |
| 11 Sept. | Moderate or heavy rain shower | 22° /13° | 4.2 mm | 5 | |
| 12 Sept. | Moderate or heavy rain shower | 21° /13° | 3 mm | 5 | |
| 13 Sept. | Partly cloudy | 21° /12° | 3.5 mm | 5 | |
| 14 Sept. | Sunny | 20° /12° | 14.2 mm | 5 | |
| 15 Sept. | Patchy rain possible | 19° /11° | 12.1 mm | 5 | |
| 16 Sept. | Moderate or heavy rain shower | 19° /11° | 3.2 mm | 5 | |
| 17 Sept. | Patchy rain possible | 20° /10° | 1.1 mm | 5 | |
| 18 Sept. | Patchy rain possible | 20° /11° | 1.9 mm | 5 | |
| 19 Sept. | Patchy rain possible | 17° /10° | 2.7 mm | 4 | |
| 20 Sept. | Sunny | 18° /9° | 1.9 mm | 5 | |
| 21 Sept. | Sunny | 19° /9° | 0.2 mm | 5 | |
| 22 Sept. | Patchy rain possible | 17° /9° | 0.7 mm | 4 | |
| 23 Sept. | Partly cloudy | 19° /9° | 0 mm | 5 | |
| 24 Sept. | Patchy rain possible | 18° /10° | 1.3 mm | 4 | |
| 25 Sept. | Sunny | 21° /10° | 0.6 mm | 5 | |
| 26 Sept. | Patchy rain possible | 21° /11° | 0.7 mm | 5 | |
| 27 Sept. | Moderate rain at times | 19° /11° | 1.7 mm | 4 | |
| 28 Sept. | Patchy rain possible | 18° /9° | 1.8 mm | 4 | |
| 29 Sept. | Patchy rain possible | 17° /8° | 0.7 mm | 4 | |
| 30 Sept. | Overcast | 16° /8° | 0.1 mm | 4 | |
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Guide for Prague in September
In September, Prague, Czechia experiences a transition from late summer to early autumn. At the beginning of the month, the weather in Prague is generally pleasant with mild temperatures and decreasing chances of rain.
The average high temperature at the start of September is around 20°, while the average low hovers around 11°. The city experiences around 6 hours of sunshine per day, providing ample opportunity for outdoor activities and sightseeing.
As the month progresses, the weather gradually cools down, and by the end of September, the average high temperature decreases to around 16°, with the average low dropping to 8°.
Additionally, the likelihood of rainfall slightly increases towards the end of the month, with occasional showers and overcast skies becoming more common.
Despite this, Prague remains a beautiful destination in September, as the city's historic architecture and charming cobblestone streets are complemented by the changing colors of the surrounding foliage.
Overall, September in Prague offers a delightful blend of late summer warmth and early autumn ambiance, making it an ideal time to explore the city's cultural attractions and enjoy its outdoor spaces.
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Prague in September - FAQ
September rainfall patterns in Prague
UV exposure in Prague during September
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