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Fall in weather in Vienna: From 30 degrees to cloudy rain and 15 degrees!
Find out everything about the changeable weather in Vienna from September 21st to 26th, 2025, including temperatures and forecasts.
Fall in weather in Vienna: From 30 degrees to cloudy rain and 15 degrees!
A change in the weather is coming to Vienna! On Sunday, September 21, 2025, the capital can expect a late summer peak with bright sunshine and temperatures of up to 30 degrees. The forecast from GeoSphere Austria promises a brisk wind from the southeast, which will certainly provide fresh air. But the anticipation of the sunshine might not last long. With the start of the new week there is a significant change in the weather.
On Monday, Vienna will still be sunny in the morning, but clouds will gather in the afternoon and temperatures will drop to 13 to 17 degrees before rising to up to 27 degrees during the day. A mild breeze will blow from the south and west. But that's just the beginning, as a cold front will bring a lot of rain on Tuesday - temperatures here can only reach 14 degrees in the morning and at best 16 degrees in the afternoon. You should keep an eye on this trend, because the remaining days of the week are also rather cloudy.
Weather forecast for the coming week
The numerous rain showers that await us could be enough cause for concern for some of us. The weather models predict frequent precipitation for Wednesday and Thursday - with temperatures between 13 and 17 degrees. It will remain cloudy on Thursday too, with highs reaching a cool 15 degrees. To make matters worse, dense clouds and isolated rain showers are still expected on Friday, although temperatures during the day will only be around 16 degrees.
In terms of precipitation, you can expect an average of 3 to 8 rainy days in Vienna in September, with an average rainfall of 80 mm spread over about 9 days. October, on the other hand, is expected to have low temperatures between 15 and 8 degrees. This doesn't mean snow days, but it does mean the certainty of always having an umbrella at hand. The weather rating for this month can be classified as good, which could give many people the opportunity to enjoy the mild days outdoors.
Average September values in Vienna
In the context of the current weather situation, a look at the past September weather data makes sense. The month traditionally begins with pleasant temperatures: at the beginning the average daytime temperature is around 22 degrees, with night temperatures of 13 degrees. The middle of the month is consistently at this same temperature, while towards the end of September the values drop to around 19 degrees, which means cooler nights.
| temperatures | Max. (°C) | Min. (°C) |
|---|---|---|
| September 2025 | 30 | 12 |
Viennese people should prepare well for the coming days. From sunny Sunday to rainy Friday – the city is currently showing its changeable side. A good time to get out your warm jackets and always be prepared for changes in the weather!
For further information about the weather forecasts you can read *5min* here. It is also exciting to see the monthly weather data on *Weather25* here. Finally, the page *Bestereisezeit* here provides information about the best travel times for Vienna in September.