Weather in Vienna for September 2025
In general, the average temperature in Vienna at the beginning of September is 29.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.6 °C by the end of September.
With an average of 4 rainy days, Vienna experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.
Is September a good time to visit Vienna? check out the best time to travel to Vienna page.
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Vienna in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  32° | 3  30° | 4 29° | 5  29° | 6  27° | 7 30° |
| 8 30° | 9 27° | 10 26° | 11 28° | 12 24° | 13  18° | 14 16° |
| 15 17° | 16 20° | 17 23° | 18 26° | 19  22° | 20 24° | 21 24° |
| 22 22° | 23 20° | 24 19° | 25 22° | 26 25° | 27 22° | 28 22° |
| 29 21° | 30  20° |
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Temperatures trend during September in Vienna
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Cloudy | 30° /18° | 0.1 mm | 7 | |
| 2 Sept. | Partly cloudy | 32° /18° | 0 mm | 8 | |
| 3 Sept. | Patchy light rain with thunder | 30° /19° | 0.9 mm | 8 | |
| 4 Sept. | Partly cloudy | 29° /17° | 0 mm | 8 | |
| 5 Sept. | Overcast | 29° /17° | 0 mm | 7 | |
| 6 Sept. | Sunny | 27° /17° | 0.7 mm | 7 | |
| 7 Sept. | Sunny | 30° /17° | 0 mm | 8 | |
| 8 Sept. | Sunny | 30° /18° | 0 mm | 8 | |
| 9 Sept. | Sunny | 27° /15° | 8.6 mm | 7 | |
| 10 Sept. | Sunny | 26° /16° | 0 mm | 7 | |
| 11 Sept. | Sunny | 28° /15° | 0.3 mm | 7 | |
| 12 Sept. | Sunny | 24° /13° | 7 mm | 6 | |
| 13 Sept. | Thundery outbreaks possible | 18° /13° | 32.9 mm | 4 | |
| 14 Sept. | Overcast | 16° /10° | 41.5 mm | 4 | |
| 15 Sept. | Partly cloudy | 17° /11° | 41.7 mm | 5 | |
| 16 Sept. | Sunny | 20° /12° | 14.9 mm | 5 | |
| 17 Sept. | Sunny | 23° /11° | 0.6 mm | 6 | |
| 18 Sept. | Sunny | 26° /14° | 0.3 mm | 6 | |
| 19 Sept. | Light rain shower | 22° /14° | 8.1 mm | 5 | |
| 20 Sept. | Sunny | 24° /13° | 0 mm | 7 | |
| 21 Sept. | Partly cloudy | 24° /13° | 0 mm | 7 | |
| 22 Sept. | Patchy rain possible | 22° /13° | 0.5 mm | 6 | |
| 23 Sept. | Overcast | 20° /13° | 0 mm | 5 | |
| 24 Sept. | Overcast | 19° /13° | 0.8 mm | 5 | |
| 25 Sept. | Overcast | 22° /13° | 0 mm | 5 | |
| 26 Sept. | Sunny | 25° /14° | 0 mm | 7 | |
| 27 Sept. | Sunny | 22° /14° | 0.5 mm | 6 | |
| 28 Sept. | Sunny | 22° /13° | 0.3 mm | 6 | |
| 29 Sept. | Sunny | 21° /11° | 0 mm | 5 | |
| 30 Sept. | Patchy light rain | 20° /11° | 0.6 mm | 5 | |
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Guide for Vienna in September
In September, Vienna, Austria experiences a transition from late summer to early autumn, bringing about noticeable changes in the weather. At the beginning of the month, the average temperature in Vienna is around 18°, with pleasant and mild conditions.
The days are still relatively long, allowing for ample opportunities to explore the city's numerous attractions and outdoor spaces. However, as the month progresses, the temperatures gradually begin to decrease.
By the end of September, Vienna sees a shift towards cooler weather, with average temperatures dropping to around 14°. While the days remain comfortable for outdoor activities, the evenings start to become noticeably cooler, signaling the onset of autumn.
Visitors can expect a mix of sunny days and occasional rainfall, so it's advisable to pack layers and a light jacket to stay comfortable throughout the day.
Overall, September in Vienna offers a pleasant transition from summer to autumn, providing visitors with the chance to enjoy the city's cultural events, historic sites, and beautiful parks amidst the changing weather conditions.
Vienna in September - FAQ
What to pack to Vienna in September?
As you prepare for your trip to Vienna in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Vienna, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
Quick links
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