Vienna Weather in September
In Vienna, September brings pleasant daytime temperatures around 22°C (72°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.
Rainfall in Vienna in September
On average, there are about 10 days with rain during this month, averaging 76 mm (3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Vienna in September
The temperature in Vienna in September is perfect. Daytime highs reach 22°C (72°F), with nights dropping to 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Vienna in September
With about 180 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
Wind Speed in Vienna in September
September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Vienna.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Austria, check out our Vienna's climate page.
Vienna Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
22°C (72°F)
Chance of Rain
35%
Precipitation
76 mm (3 in)
Rainy days
10 days
Humidity
59%
Windspeed
2 m/s (4 knots)
Sunshine
180 hours
Percentage Sunshine
49%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vienna typically drop from around 23°C (73°F) at the start of September to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Vienna in September
Browse day-by-day weather records for Vienna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vienna historical weather extremes in September
According to our 49 years of weather records for Vienna, the following extremes were recorded between 1976 and 2025.
- Vienna recorded its highest September temperature of 33°C (91°F) on September 3, 2024.
- On September 13, 2024, Vienna saw its coldest September day with temperatures maxing out at 8°C (46°F).
- Nighttime temperatures dropped to 1°C (34°F) on September 26, 2018, marking the coldest September night on record.
Best Places in Austria in September
Find out more about the weather in Austria and which places have the best travel conditions in this month. See all of Austria in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Vienna in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Vienna in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Austria, check out our Vienna's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Vienna climate overview or explore weather in Austria.
