Weather in Vienna in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youVienna in September is pleasantly mild — daytime temperatures average 22.1°C, dropping to 12.7°C at night. The month is moderately rainy (10 rainy days), with roughly 9.7 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Vienna — every month compared. Once you know when to go, find your Vienna packing list at 247PackingList.
Get ready for Vienna in September
Search flights to Vienna
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Vienna in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Compare all months in Vienna
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 4.8°C | 39.0mm | 8/10 |
| February | 8.4°C | 32.3mm | 10/10 |
| March | 11.2°C | 19.8mm | 10/10 |
| April | 14.4°C | 55.4mm | 10/10 |
| May | 19.3°C | 72.1mm | 10/10 |
| June | 25.0°C | 89.5mm | 10/10 |
| July | 27.3°C | 66.6mm | 10/10 |
| August | 25.8°C | 101.2mm | 9/10 |
| September | 22.1°C | 65.7mm | 10/10 |
| October | 16.5°C | 54.7mm | 10/10 |
| November | 9.3°C | 50.2mm | 10/10 |
| December | 5.2°C | 57.6mm | 10/10 |
Full month-by-month guide: best time to visit Vienna →
For facts about Austria — currency, language and dialling code — see our Austria country guide at 247CountryInfo. Travellers also find it useful to keep a Vienna travel guide to hand. Check clothing sizes in Austria before you shop.
Frequently Asked Questions
Is September a good time to visit Vienna?
September rates 10/10 for visiting Vienna — excellent time to visit. Expect average highs of 22.1°C, 65.7mm of rain across the month and about 9.7 hours of daily sunshine.
What is the temperature in Vienna in September?
In September, Vienna has average highs of 22.1°C (71.8°F) and average lows of 12.7°C (54.9°F).
Does it rain in Vienna in September?
Some rain is likely. Vienna averages 65.7mm across about 10 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Vienna in September?
For Vienna in September (22.1°C highs / 12.7°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Vienna in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.