What to pack for Vienna in September
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 70%; max daily wind around 20 km/h.
How September compares
Best months in Vienna: June–September. See the full best time to visit Vienna guide.
Vienna in September: the details
In September, Vienna sees average daytime highs of 22°C (71°F) and overnight lows of 13°C (55°F). Rainfall totals roughly 94 mm across 9.2 rainy days, and the sun shines about 9.4 hours per day with 12.3 hours of daylight mid-month. Relative humidity averages 70%.
In context: September is the 4th-warmest month and the wettest in Vienna. The sunniest month is June (12.6 h/day).
| Metric | September average |
|---|---|
| Daytime high | 22°C / 71°F |
| Overnight low | 13°C / 55°F |
| Rainfall | 94 mm over 9.2 rainy days |
| Sunshine | 9.4 h/day (12.3 h daylight) |
| Humidity | 70% |
| Travel score | 9.4 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Vienna, Austria (48.21, 16.37) — see our methodology. Actual conditions vary year to year.
Not set on Vienna? Browse the best places to visit in September ranked by travel score.
Frequently asked questions
How hot is Vienna in September?
Daytime highs in Vienna in September average 22°C (71°F); nights drop to about 13°C.
Does it rain in Vienna in September?
Expect around 9.2 rainy days and 94 mm of rainfall in September.
Is September a good time to visit Vienna?
September is one of the best months to visit Vienna. Overall travel score: 9.4/10. The best months are June–September.
Also good in September, near Vienna
Where should you go next month?
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