Vienna weather in September 2023

  • 21°C maximum daytime temperature in September in Vienna21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Vienna10
    10 days with some rainfall
  • 11°C minimum night-time temperature in September in Vienna11
    11°C min night temperature
  • 13 hours of daylight per day in September in Vienna13
    13 hours of daylight per day
  • No heat & humidity in September in Vienna0
    No heat & humidity
  • 42 mm monthly rainfall in September in Vienna42
    42 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Vienna4
    4 (Moderate) UV index
  • Save on summer 2023 & winter sun holidays with TUI
  • Book online & save with top deals & free child places
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

Recommended for Austria

The September weather guide for Austria (Vienna) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Top deals & discounts
  • Vienna weather overview
  • Vienna climate averages by month
  • More destinations
  • Best time to go to Vienna
  • Vienna 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Austria

How hot is it in Vienna in September?

Daytime temperatures usually reach 21°C in Vienna in September, falling to 11°C at night.

How sunny is it in Vienna in September?

There are normally 6 hours of bright sunshine each day in Vienna in September - that's 45% of daylight hours.

Does it rain in Vienna in September?

There are usually 10 days with some rain in Vienna in September and the average monthly rainfall is 42mm.

Vienna September sunrise & sunset times

Browse the sunrise and sunset times for Vienna in September 2023. Select a month to view Vienna sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Friday, 1st September 2023 06:12 19:37
Friday, 15th September 2023 06:31 19:08
Saturday, 30th September 2023 06:52 18:37

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.