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Baden-Baden in September: Weather, Average temperature and Climate

Discover the weather for Baden-Baden in September and if it’s a good time to travel (based on historical data).
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September

Weather in Baden-Baden in September 2025

OK Weather
Mild
🌧️
Rainy
September could be a good time to visit Baden-Baden, as the weather is generally fine. The average high temperature is around +68°F, and there are typically 8 sunny days in September. However, expect about 13 rainy days, and total monthly rainfall of approximately 63 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+68°F
Avg. max. temperature
+37°F
Min.
+90°F
Max.
63 mm
Total precipitation
76%
Avg. humidity
2 m/s
Avg. wind
8 ☀️
Sunny Days
8 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Baden-Baden has OK weather in September.
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Average temperature in Baden-Baden in September

Here are the expected maximum, average and minimum temperatures in Baden-Baden for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +77°F with a maximum of +88°F and a minimum of +43°F.

The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +73°F to +68°F.

Is Baden-Baden warm or cold in September?

Baden-Baden is typically mild in September.

Maximum temperatures go down compared to the previous month from +75°F to +68°F. The minimum temperature also goes down from +59°F to +52°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Baden-Baden:

Climate in Baden-Baden in September

Baden-Baden weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+75°F+68°F+59°F
Min. temperature
+45°F+37°F+27°F
Max. temperature
+100°F+90°F+82°F
Rainfall
61 mm63 mm76 mm
Wind
2 m/s2 m/s2 m/s
Humidity
71%76%83%
Air pressure
1015 HPa1017 HPa1016 HPa
Sunny days
984
Cloudy days
6811
Rainy days
131315
Snowy days
000

September typically has worse weather conditions compared to August. It’s getting colder in September. From +75°F in the day, the average maximum temperature lowers to +68°F. Prepare for more rain. Average rainfall goes from 61 mm to 63 mm. Humidity rises from 71% to 76%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 9 sunny days in August to 8 in September.

October brings much the same weather, it remains ok.

Wind

Wind speed in Baden-Baden in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Baden-Baden is gradually decreasing during September, going from 3 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Baden-Baden based on historical data.
Last Year
Historical Data
Total precipitation in September is about 27 mm, with a 27% chance of rain on a typical day. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. On average, there are about 8 rainy days during September, so prepare to bring an umbrella.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Baden-Baden wettest month is December, where a typical day has a 39% chance of precipitation and 82 mm of rainfall per day. February, on the other hand, is the driest month with a mere 31% chance of precipitation and 55 mm of rainfall per day.

How was the weather last September in Baden-Baden?

This is the weather in Baden-Baden in September 2023:
1 September
🌧️
+74°F
2 September
☀️
+81°F
3 September
☀️
+77°F
4 September
☀️
+84°F
5 September
☀️
+83°F
6 September
☀️
+83°F
7 September
☀️
+83°F
8 September
☀️
+85°F
9 September
☀️
+86°F
10 September
☀️
+87°F
11 September
☀️
+88°F
12 September
☀️
+87°F
13 September
☀️
+73°F
14 September
☀️
+74°F
15 September
☀️
+78°F
16 September
☀️
+81°F
17 September
☀️
+84°F
18 September
🌧️
+75°F
19 September
☀️
+72°F
20 September
☀️
+78°F
21 September
☁️
+78°F
22 September
☁️
+67°F
23 September
☀️
+63°F
24 September
☀️
+68°F
25 September
☀️
+71°F
26 September
☀️
+74°F
27 September
☀️
+77°F
28 September
☀️
+79°F
29 September
☀️
+78°F
30 September
☀️
+68°F
In September 2023 Baden-Baden had 26 sunny days, 2 cloudy days, and 2 rainy days. The average maximum temperature was +77°F, with an absolute maximum of +88°F and a minimum of +63°F. The average humidity was 73%, with a maximum of 100% and a minimum of 40%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Baden-Baden climate has changed over the last 43 years.

The climate in Baden-Baden in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1987 (+54°F) and the highest in 2020 (+62°F). The driest year was 2003 with only 562 mm of rainfall, and the wettest year was 2023 with 1171 mm.

FAQ

Frequently asked questions about the weather in Baden-Baden in September:

Is September a good time to visit Baden-Baden?

It’s always a good time to visit Baden-Baden, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Baden-Baden in September?

September has mild temperatures in Baden-Baden. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Baden-Baden rainy in September?

Baden-Baden is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Baden-Baden in September?

Usually, it’s not very sunny in Baden-Baden in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Germany

Check out the weather for other cities in Germany.

Monthly weather in Baden-Baden

Source of the data

For this page, we’ve looked at the typical weather in Baden-Baden, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.