Planning a trip to Vienna in September? You are in luck! The weather is generally good, with an average maximum temperature of +70°F and approximately 9 sunny days. Just be prepared for some rain, as there are usually around 13 rainy days and 81 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+70°F
Avg. max. temperature
+36°F
Min.
+93°F
Max.
81 mm
Total precipitation
71%
Avg. humidity
3 m/s
Avg. wind
9 ☀️
Sunny Days
6 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Vienna has good weather in September.
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Average temperature in Vienna in September
Here are the expected maximum, average and minimum temperatures in Vienna for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +90°F during the day to a minimum of +55°F during the night, the temperature in September averages around +81°F.
The average maximum temperature goes down 16% by the end of the month, compared with the beginning of the month, from +77°F to +72°F.
Is Vienna warm or cold in September?
Vienna is typically mild in September.
Maximum temperatures go down compared to the previous month from +79°F to +70°F. The minimum temperature also goes down from +61°F to +54°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Vienna:
Climate in Vienna in September
Vienna weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+79°F
+70°F
+59°F
Min. temperature
+46°F
+36°F
+19°F
Max. temperature
+100°F
+93°F
+82°F
Rainfall
89 mm
81 mm
52 mm
Wind
3 m/s
3 m/s
3 m/s
Humidity
65%
71%
76%
Air pressure
1014 HPa
1016 HPa
1017 HPa
Sunny days
9
9
7
Cloudy days
3
6
10
Rainy days
14
13
14
Snowy days
0
0
0
September weather is still as good as in August.It’s getting colder in September. From +79°F in the day, the average maximum temperature lowers to +70°F.As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 89 mm to 81 mm.Humidity rises from 65% to 71%.The average wind speed doesn’t change much during September, staying around 3 m/s.The amount of sunny days stay about the same, averaging 9 sunny days during the month.
Next month (October) brings a further decline in the weather.
Wind speed in Vienna in September based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Vienna is gradually increasing during September, going from 1 m/s to 5 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Vienna based on historical data.
Last Year
Historical Data
Typically, there is a 27% chance of rain on an average day in September, with total rainfall of approximately 44 mm. The maximum amount of rainfall per day is around 17 mm, which is considered light rain.On average, there are about 8 rainy days during September, so prepare to bring an umbrella.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Vienna wettest month is May, where a typical day has a 52% chance of precipitation and 115 mm of rainfall per day. January, on the other hand, is the driest month with a mere 23% chance of precipitation and 30 mm of rainfall per day.
How was the weather last September in Vienna?
This is the weather in Vienna in September 2023:
1 September
☁️
+77°F
2 September
☀️
+85°F
3 September
☁️
+78°F
4 September
☁️
+75°F
5 September
☀️
+80°F
6 September
☀️
+83°F
7 September
☀️
+84°F
8 September
☀️
+85°F
9 September
☀️
+85°F
10 September
☀️
+89°F
11 September
☀️
+89°F
12 September
☀️
+90°F
13 September
☁️
+87°F
14 September
☁️
+77°F
15 September
☀️
+77°F
16 September
☀️
+80°F
17 September
☀️
+84°F
18 September
☁️
+82°F
19 September
☁️
+77°F
20 September
☀️
+82°F
21 September
☁️
+83°F
22 September
☁️
+80°F
23 September
☁️
+64°F
24 September
☁️
+64°F
25 September
☀️
+74°F
26 September
☀️
+81°F
27 September
☀️
+83°F
28 September
☀️
+83°F
29 September
☀️
+83°F
30 September
☁️
+72°F
In September 2023 Vienna had 18 sunny days, 12 cloudy days, and 0 rainy days. The average maximum temperature was +81°F, with an absolute maximum of +90°F and a minimum of +64°F. The average humidity was 68%, with a maximum of 100% and a minimum of 32%. The average wind speed was 3 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Vienna climate has changed over the last 43 years.
The climate in Vienna in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+55°F) and the highest in 2023 (+63°F). The driest year was 2003 with only 435 mm of rainfall, and the wettest year was 2019 with 2441 mm.
FAQ
Frequently asked questions about the weather in Vienna in September:
Is September a good time to visit Vienna?
September is a really good time to go to Vienna. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Vienna.
Can you sunbathe in Vienna in September?
September has mild temperatures in Vienna. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Vienna rainy in September?
Vienna is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Vienna in September?
Usually, it’s not very sunny in Vienna in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Austria
Check out the weather for other cities in Austria.
For this page, we’ve looked at the typical weather in Vienna, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.