Weather Comparison
Side-by-side weather comparison for September
| Metric | Venice | Vienna | Better |
|---|---|---|---|
| Average HighHigher is warmer | 23°C (73°F)▲ | 20°C (68°F) | Venice |
| Average LowHigher is milder | 16°C (61°F)▲ | 12°C (54°F) | Venice |
| Rain DaysFewer is drier | 10 days | 9 days▲ | Vienna |
| PrecipitationLess is drier | 120 mm | 72 mm▲ | Vienna |
| Sunshine HoursMore is sunnier | 10h/day▲ | 9h/day | Venice |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 16 km/h▲ | 18 km/h | Venice |
Venice and Vienna are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Venice sits in the comfortable travel range at 23°C. Vienna is also comfortable at 20°C.
For travelers who prioritize dry weather, Vienna is the stronger choice in September. Venice receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Venice reaches an average high of 23°C (73°F) and drops to 16°C (61°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Vienna averages 20°C (68°F) for the high and 12°C (54°F) for the low, with a daily range of 8°C. The 3°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Venice receives approximately 120 mm of rainfall across 10 rain days during September. You can expect rain roughly every other day.
Vienna sees 72 mm over 9 rain days. That makes Vienna the drier option by 1 rain day and 48 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 23°C, lows of 16°C, 10 rain days
Highs of 20°C, lows of 12°C, 9 rain days
Pack for both: light layers, a light jacket for evenings, sunscreen. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Venice | Vienna | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 7°C | 8d | 3°C | 8d |
| Feb | 9°C | 8d | 6°C | 8d |
| Mar | 12°C | 8d | 10°C | 10d |
| Apr | 16°C | 10d | 16°C | 9d |
| May | 21°C | 10d | 20°C | 12d |
| Jun | 25°C | 9d | 24°C | 12d |
| Jul | 27°C | 8d | 26°C | 12d |
| Aug | 27°C | 9d | 26°C | 10d |
| Sep | 23°C | 10d | 20°C | 9d |
| Oct | 18°C | 11d | 15°C | 9d |
| Nov | 13°C | 11d | 9°C | 9d |
| Dec | 8°C | 8d | 4°C | 9d |
Venice Weather in September
Full forecast, packing tips, and activities
Vienna Weather in September
Full forecast, packing tips, and activities