September · Germany
Best time to visit Baden-Baden in September Weather, crowds & prices
Weather in Baden-Baden in September
Average temperature 17°C, 78 mm of rain, about 10 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.7/10
Ranked #5 of 12 months
- Avg temp
- 17°C
- Rainfall
- 78 mm
- Humidity
- 73%
- Days with 6h+ sun
- 10
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Baden-Baden scores 7.7/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 17°C, 78 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.
Baden-Baden combines historic thermal baths, grand spa architecture, museums, and the wooded paths of the northern Black Forest.
September holds up well in Baden-Baden — 5th best month
Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 78 mm of rain this month — a flexible day or two helps — with about 10 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.
That is 7.7/10 on the same scale — 5th of 12 months, versus 9/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Baden-Baden in September?
- In September, Baden-Baden averages 17°C, 78 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
- Is September a good time to visit Baden-Baden?
- September earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Baden-Baden in September?
- Expect about 78 mm of rain in September. Average humidity is 73% and there are about 10 days with 6+ hours of sunshine.
Curated in Baden-Baden
Tickets & experiences
Things to do in Baden-Baden
Baden-Baden, Germany. Live activities and tours from GetYourGuide, matched to this destination.