Weather in Vienna for September 2025
In general, the average temperature in Vienna at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of September.
Vienna in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 114.7 mm.
Is September a good time to visit Vienna? check out the best time to travel to Vienna page.
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Vienna Weather September
Temperatures trend during September in Vienna
September weather in Vienna day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 26° /16° | 0.1 mm | 6 | |
| 2 Sept. |  Sunny | 27° /15° | 0 mm | 7 | |
| 3 Sept. | Sunny | 28° /15° | 0.5 mm | 7 | |
| 4 Sept. | Sunny | 27° /15° | 2.4 mm | 7 | |
| 5 Sept. |  Moderate rain at times | 27° /15° | 0.2 mm | 7 | |
| 6 Sept. | Sunny | 26° /15° | 0.6 mm | 6 | |
| 7 Sept. | Sunny | 29° /16° | 0 mm | 7 | |
| 8 Sept. | Sunny | 28° /16° | 0.8 mm | 7 | |
| 9 Sept. | Sunny | 26° /14° | 5.7 mm | 6 | |
| 10 Sept. | Sunny | 26° /15° | 0.8 mm | 6 | |
| 11 Sept. | Sunny | 26° /14° | 1.3 mm | 7 | |
| 12 Sept. | Patchy rain possible | 25° /13° | 4.5 mm | 6 | |
| 13 Sept. | Patchy rain possible | 22° /13° | 16.6 mm | 5 | |
| 14 Sept. | Sunny | 21° /12° | 22.2 mm | 5 | |
| 15 Sept. |  Partly cloudy | 22° /13° | 21.8 mm | 5 | |
| 16 Sept. | Patchy rain possible | 21° /14° | 10 mm | 5 | |
| 17 Sept. | Patchy rain possible | 21° /12° | 5 mm | 5 | |
| 18 Sept. | Moderate rain at times | 22° /12° | 1.2 mm | 5 | |
| 19 Sept. |  Overcast | 19° /12° | 6.4 mm | 4 | |
| 20 Sept. | Sunny | 20° /11° | 2.1 mm | 5 | |
| 21 Sept. | Partly cloudy | 21° /10° | 0.1 mm | 6 | |
| 22 Sept. | Patchy rain possible | 19° /11° | 1.8 mm | 5 | |
| 23 Sept. | Sunny | 20° /10° | 0 mm | 5 | |
| 24 Sept. | Overcast | 20° /12° | 0.4 mm | 5 | |
| 25 Sept. | Patchy rain possible | 22° /11° | 0.8 mm | 5 | |
| 26 Sept. | Sunny | 24° /13° | 1.2 mm | 6 | |
| 27 Sept. | Moderate rain at times | 20° /13° | 2.5 mm | 5 | |
| 28 Sept. | Moderate rain at times | 21° /12° | 0.8 mm | 5 | |
| 29 Sept. | Moderate rain at times | 18° /11° | 2.2 mm | 4 | |
| 30 Sept. | Overcast | 18° /11° | 2.7 mm | 4 | |
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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
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Vienna
UV exposure in Vienna during September
Quick links
Where is Vienna?Get accurate weather forecasts for Vienna, located at latitude 48.208 and longitude 16.372. Stay updated with localized weather information tailored for Vienna.