September · Austria
Best time to visit Wachau Valley in September Weather, crowds & prices
Weather in Wachau Valley in September
Average temperature 16°C, 103 mm of rain, about 10 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.2/10
Ranked #6 of 12 months
- Avg temp
- 16°C
- Rainfall
- 103 mm
- Humidity
- 75%
- Days with 6h+ sun
- 10
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Wachau Valley scores 7.2/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 16°C, 103 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.
The Wachau follows the Danube between Melk and Krems through vineyard terraces, abbeys, castle ruins, and historic riverside towns.
September holds up well in Wachau Valley — 6th best month
Temperatures hover around 16°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
103 mm of rain signals a properly wet month, with only about 10 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 7.2/10 on the same scale — 6th of 12 months, versus 8.4/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Wachau Valley in September?
- In September, Wachau Valley averages 16°C, 103 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
- Is September a good time to visit Wachau Valley?
- September earns a 7.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Wachau Valley in September?
- Expect about 103 mm of rain in September. Average humidity is 75% and there are about 10 days with 6+ hours of sunshine.
Curated in Wachau Valley
Tickets & experiences
Things to do in Wachau Valley
Wachau Valley, Austria. Live activities and tours from GetYourGuide, matched to this destination.