Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 4.2 °C | — | 10 days | Unfavourable season |
| February | 7.8 °C | — | 9 days | Unfavourable season |
| March | 11.3 °C | — | 7 days | Unfavourable season |
| April | 15.8 °C | — | 9 days | Possible, with trade-offs |
| May | 19.7 °C | — | 13 days | Pleasant — a good time to go |
| June | 25.5 °C | — | 12 days | Pleasant — a good time to go |
| July | 27.4 °C | — | 10 days | Ideal — one of the best times of year |
| August | 27.2 °C | — | 9 days | Ideal — one of the best times of year |
| September | 21.7 °C | — | 9 days | Pleasant — a good time to go |
| October | 15.9 °C | — | 10 days | Possible, with trade-offs |
| November | 9.4 °C | — | 9 days | Unfavourable season |
| December | 5.5 °C | — | 10 days | Unfavourable season |
Before you go
Three things to check once you have picked your dates.
Entry
Austria is in the European Union. Entry rules depend on your nationality — check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 11 August 2026
Health
Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.
Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.
FAQ
Can you swim in Vienne in September?
Vienne is not a seaside destination (no sea data).
How hot is Vienne in September?
Expect 21.7°C in the afternoon and 12.8°C at night, averaged over the last 10 years.
Does it rain a lot in Vienne in September?
Around 9 days with rain (≥ 1 mm) in the month — 30% of days.