Vienna weather in September
September is one of the best months to visit Vienna: highs of 20°C (69°F) and about 79 mm (3.1 in) of rain on average. Nights average 10°C (49°F) and cloud cover 60% (NASA POWER, 2001–2025 averages). It is the 5th wettest month of the year and the 4th warmest. Compared with August, it is cooler and about as wet; October brings highs of 15°C (58°F) and 54 mm (2.1 in) of rain.
Figures are long-term averages for Vienna, the largest city in Vienna. See below for other places.
Is September a good time to visit Vienna?
best month Weather score 75/100.
Yes. September is one of the best months for weather in Vienna.
Does it rain a lot in Vienna in September?
Some rain is normal: about 79 mm (3.1 in) falls in an average September. It is the 5th wettest month of the year.
How warm is Vienna in September?
Days average 20°C (69°F) and nights 10°C (49°F).
Vienna weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 2°C (35°F) | -5°C (23°F) | 42 mm | 78% | least pleasant |
| February | 4°C (39°F) | -4°C (25°F) | 38 mm | 75% | least pleasant |
| March | 9°C (48°F) | -1°C (31°F) | 46 mm | 67% | least pleasant |
| April | 15°C (60°F) | 4°C (39°F) | 41 mm | 58% | best |
| May | 20°C (68°F) | 9°C (48°F) | 85 mm | 64% | best |
| June | 24°C (76°F) | 13°C (56°F) | 91 mm | 63% | best |
| July | 27°C (80°F) | 15°C (60°F) | 88 mm | 59% | best |
| August | 26°C (79°F) | 15°C (58°F) | 86 mm | 54% | best |
| September | 20°C (69°F) | 10°C (49°F) | 79 mm | 60% | best |
| October | 15°C (58°F) | 5°C (41°F) | 54 mm | 66% | fair |
| November | 8°C (46°F) | 1°C (34°F) | 45 mm | 76% | least pleasant |
| December | 3°C (37°F) | -3°C (26°F) | 42 mm | 79% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Vienna in September
Weather can differ a lot within Vienna: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Vienna | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Favoriten | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Donaustadt | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Floridsdorf | 21°C (70°F) | 10°C (50°F) | 70 mm | best |
| Ottakring | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Simmering | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Landstraße | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Penzing | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Meidling | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Brigittenau | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Fünfhaus | 20°C (69°F) | 10°C (49°F) | 79 mm | best |
| Döbling | 21°C (70°F) | 10°C (50°F) | 70 mm | best |