September in Vienna averages highs of 22 °C (71 °F) and lows of 13 °C (55 °F), with about 7 rainy days and 12 h 30 min of daylight.
September weather in Vienna at a glance
average high to low each dot ≈ 3 rainy days
Is September a good time to visit Vienna?
Good time to go: comfortably warm and some rain. September is usually shoulder season in Vienna: fewer crowds than peak months, with prices often a little lower.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in September 2026
No public holidays fall in September 2026 in Austria, so opening hours should be normal.
Things to do in Vienna in September
September's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Naschmarkt — Saturday flea market too outdoors
- Schönbrunn Palace — and the gardens indoors
- St Stephen's Cathedral — climb the south tower indoors
- Kunsthistorisches Museum — Bruegel room indoors
- Belvedere — Klimt's The Kiss indoors
- Coffee houses — Café Central, Sperl or Prückel indoors
Where to stay: Innere Stadt for sights; Neubau or Mariahilf for cafés and value.
What to pack for Vienna in September
- Light layers for the day and a jumper for evenings, which cool to 13 °C (55 °F).
- Comfortable walking shoes.
What a day in Vienna costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €60–130 | €160–320 |
Excluding flights. September is usually shoulder season in Vienna: fewer crowds than peak months, with prices often a little lower.
September in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Budapest | 23° / 13° | 6 | Good time to go |
| Prague | 21° / 11° | 6 | Good time to go |
| Krakow | 20° / 11° | 9 | Good time to go |
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FAQ
Is September a good time to visit Vienna?
By the numbers, September is a good time to go: comfortably warm and some rain, with average highs of 22 °C (71 °F) and about 7 rainy days. September is usually shoulder season in Vienna: fewer crowds than peak months, with prices often a little lower. The best months for weather are May, June, July, August, September.
How warm is Vienna in September?
Average highs are 22 °C (71 °F) and lows 13 °C (55 °F) (2015–2024 averages).
Does it rain a lot in Vienna in September?
Expect about 7 days with 2 mm of rain or more, about 84 mm in total. It is the 3rd wettest month of the year in Vienna.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.