What’s the weather like in Vienna in September?
Temperatures are a few degrees lower than the highs of July and August, but the Vienna weather in September is still warm and sunny. It’s your last chance to explore this amazing Austrian city before the colder autumn climate takes over.
Vienna boasts a wonderful location on the banks of the Danube River. It’s in the north-east of Austria, away from the milder Alps in the west. There’s no cool coastal breeze across the city, and that helps to keep temperatures a little higher at the end of summer.
The weather in Vienna in September is mild to warm. You can expect an average daytime temperature of 16°C, rising to highs of 19°C on sunnier days. Even the colder days shouldn’t drop below 12°C. You’ll make the most of the sunshine too, during this month in Vienna. Expect to see an average of seven hours sun each day, from 11 hours of daylight. Rainfall will be around 42mm, which is less than summer, with ten days on average getting some wet weather. UV levels are low and wind speeds are light, so exploring the sights and monuments around Vienna will be very comfortable in September.