Monthly climate ·Vienna weather in September
In September, Vienna averages around 22° by day and 13° at night, with 9 rain days a month — about a 31% chance of rain on any given day.
By day
22°C
At night
13°C
Daily rain chance
31%
Rain days a month
9
Monthly precipitation
90 mm
Sunshine hours a day
9.2
Average of 2016–2025 (Open-Meteo archive). Typical climate — not a forecast.
Is September a good time to visit Vienna?
September is pleasant in Vienna: around 22° by day and 13° at night — comfortable weather for exploring, with 9 rain days on average.
Every month in Vienna
Frequently asked questions
- What is the weather in Vienna in September?
- In September, temperatures in Vienna average between 13° at night and 22° by day, with 9 rain days a month (average of 2016–2025).
- How much rain falls in Vienna in September?
- Vienna gets about 90 mm of rain in September on average, spread over roughly 9 rain days.
- Is September a good time to visit Vienna?
- September is pleasant in Vienna: around 22° by day and 13° at night — comfortable weather for exploring, with 9 rain days on average.