Vienna weather in September
“Mild and bright — an underrated time to visit.”
Roughly 9 rainy days across the month, on average.
September is one of Vienna's most pleasant months. Expect average highs of 21.7°C (71°F) and lows of 12.7°C (55°F), creating mild, comfortable conditions perfect for exploring the city. You'll experience around 84mm of rainfall spread across 9 rainy days, so pack an umbrella, but don't let it discourage you—the month still offers 9.2 hours of sunshine daily, giving you plenty of daylight for sightseeing.
September marks the tail end of summer tourism, making it an ideal time to visit. The city hosts the Vienna Contemporary art fair and various classical music festivals. Crowds thin noticeably compared to July and August, while the cultural calendar remains vibrant. The weather feels refreshingly crisp in the mornings and evenings, perfect for strolling through historic districts and riverside parks without summer's oppressive heat.
For 2026 travel planning, September offers excellent value—prices drop after peak season while weather remains reliable. The combination of mild temperatures, manageable rainfall, cultural events, and fewer tourists makes this an underrated month to experience Vienna's imperial palaces, coffee house culture, and Danube walks.
What to pack for Vienna in September
Layer up for September's variable conditions. Mornings and evenings are cool while afternoons warm up pleasantly. Bring a light rain jacket for the occasional showers, and comfortable walking shoes are essential for Vienna's cobblestone streets and parks.
- Light rain jacket or windbreaker
- Long-sleeve linen shirt or blouse
- Comfortable walking shoes or sneakers
- Lightweight sweater or cardigan
- Scarf or light wrap for evenings
What to pack for Vienna in September
- →Breathable travel pantsAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
We may earn a small commission on any purchase — it doesn't change the price you pay.
Where to stay in Vienna
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Vienna across trusted platforms.
Compare hotels on Booking.com→Things worth doing
Explore Schönbrunn Palace gardens, take a Danube River cruise, visit St. Stephen's Cathedral, enjoy coffee at traditional Viennese cafés, wander the Naschmarkt.
September vs. the rest of the year
How this month compares in Vienna. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Vienna
While September has its own character in Vienna, the data-backed best months to visit Vienna are May, June, July, August. These months combine the most favourable temperatures, rainfall, and sunshine across a ten-year climate record.
See the full best-time-to-visit guide for ViennaOther places with a similar climate right now
Vienna in September — FAQ
Q01Is September a good time to visit Vienna?
Is September a good time to visit Vienna?
Yes — it is a good time to visit, with pleasant, comfortable weather. In September, Vienna averages a high of 22°C (71°F) and a low of 13°C (55°F), with 84mm of rainfall across roughly 9 rainy days.
Q02What is the average temperature in Vienna in September?
What is the average temperature in Vienna in September?
The average high temperature in Vienna during September is 22°C (71°F), with an average low of 13°C (55°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Vienna have in September?
How many rainy days does Vienna have in September?
Vienna averages approximately 9 rainy days in September, with a total monthly rainfall of about 84mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Vienna in September?
What should I pack for Vienna in September?
For Vienna in September, pack layered clothing for changing temperatures, a compact umbrella or waterproof jacket, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Vienna in September?
How crowded is Vienna in September?
Tourist crowds in Vienna during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.