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Baden-Baden Weather in September
During September, Baden-Baden experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 11°C (52°F). Expect quite a bit of rainfall. Around 92 mm (3.6 in) is typical.
Rainfall in Baden-Baden in September
Historically, approximately 12 days this month are expected to have rain, averaging 92 mm (3.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Baden-Baden in September
September tends to be one of the excellent months in Baden-Baden, with 21°C (70°F) in the afternoon and 11°C (52°F) overnight. Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Baden-Baden in September
With about 178 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Baden-Baden.
Baden-Baden Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
41%
Precipitation
92 mm (3.6 in)
Rainy days
12 days
Humidity
78% *
Sunshine
178 hours *
Percentage Sunshine
*
* Data from: Karlsruhe, Germany (30 KM, 18 Miles).
Baden-Baden Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Baden-Baden - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Baden-Baden typically drop from around 23°C (73°F) at the start of September to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Baden-Baden in September
Browse day-by-day weather records for Baden-Baden spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Baden-Baden historical weather extremes in September
According to our 49 years of weather records for Baden-Baden, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 1, 2009, with a maximum of 31°C (88°F).
- The lowest daytime temperature in September was 10°C (50°F), recorded on September 26, 2020.
- Nighttime temperatures dropped to 2°C (36°F) on September 26, 1979, marking the coldest September night on record.
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Baden-Baden in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Baden-Baden in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Baden-Baden 3-Day Forecast
More climate data for Baden-Baden
Temperature Rainfall Sunshine Humidity
See the full Baden-Baden climate overview or explore weather in Germany.
Popular in September
Where to go in September - average daytime high across popular destinations.
Berlin
21°C (70°F) Hanover20°C (68°F) Cologne21°C (70°F) Düsseldorf21°C (70°F) Munich
20°C (68°F) Hamburg20°C (68°F) Binz
18°C (64°F) Winterberg18°C (64°F) Bucket list
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