September Weather in Baden-Baden, Germany

Last updated: February 26, 2025

In Baden-Baden, Germany, September offers a delightful blend of mild temperatures and variable weather. With an impressive maximum of 31°C (87°F) and a comfortable average of 15°C (60°F), visitors can enjoy pleasant outdoor activities. However, the month also brings occasional cool spells, with temperatures dipping to a minimum of 2°C (36°F). Rainfall is moderate, totaling 64 mm (2.5 in) over about 10 days, creating a relative humidity of around 85%, which can add to the cozy charm of early autumn. Embrace the beauty of this transitional month as nature begins to don its autumn hues!

September Temperature in Baden-Baden

In September, Baden-Baden enjoys a delightful transition as summer gracefully gives way to autumn. With minimum temperatures averaging around 2°C (36°F) and a comfortable average of 15°C (60°F), the days tend to be pleasantly warm, peaking at 31°C (87°F). This month stands out for maintaining a vibrant warmth similar to August while hinting at the cooler months to come. Visitors can relish in the crisp mornings and gentle, sunny afternoons, making it an ideal time for outdoor activities amidst the charming backdrop of the region's lush landscapes. As the month unfolds, the balance of warm days and cooler nights sets the stage for stunning autumnal colors, creating a picturesque experience in this serene German town.

September Weather in Baden-Baden: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Baden-Baden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343943505666686760524238
Data source: Temperature data for Baden-Baden generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Baden-Baden

In September, Baden-Baden experiences a noticeable decline in precipitation, with 64 mm (2.5 in) of rain spread across just 10 days. This marks a significant reduction from the summer months, where rainfall remained more abundant, particularly in June and May, averaging around 113 mm (4.4 in) and 115 mm (4.5 in) respectively. As autumn begins to take hold, the decreased rainfall coincides with shorter, crisper days, making September a transitional month. Not only does the city see less precipitation, but it also benefits from a brief respite before the wetter months arrive, creating a perfect backdrop for outdoor activities amidst the changing foliage. This trend suggests a gradual shift in the climate, paving the way for the more intense rain of the approaching winter months.

September Precipitation Trends in Baden-Baden

The chart displays monthly precipitation patterns in Baden-Baden, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec11195112501131159280649771148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Baden-Baden

In September, the humidity in Baden-Baden, Germany settles at a comfortable 85%, making it a perfect moment to enjoy the outdoors before autumn fully sets in. This slight increase from the 84% in August reflects a subtle transition, as the summer warmth gives way to the cooler embrace of fall. Over the year, humidity generally trends downward from a high of 91% in January, with a gradual decline until it reaches its lowest point in May at 79%. As the seasons shift, humidity levels begin to rise again, peaking in the colder months with 88% in October and returning to 89% in November. This annual rhythm between high and low allows October to offer a refreshing experience, whilst September remains a delightful bridge between the warmth of summer and the crispness of fall.

September Average Humidity in Baden-Baden

This chart illustrates the average monthly humidity levels in Baden-Baden, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Baden-Baden

As September rolls in, Baden-Baden experiences a noticeable shift in its UV Index, registering a level of 6, categorized as high. This marks a decline from the very high levels reached during the peak summer months of June and July, both at 9. With a burn time of 25 minutes, residents and visitors alike should remain mindful of sun exposure, particularly during midday hours. This transitional fall month reflects a broader trend of decreasing UV levels as the year progresses, following the intense rays of late spring and summer. For more detailed information and daily updates, visit Baden-Baden UV Index.

Maximum UV Index Levels in Baden-Baden for September

The chart shows the monthly maximum UV Index (UVI) for Baden-Baden in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Baden-Baden September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Baden-Baden

September in Baden-Baden, Germany, offers a delightful experience with 321 hours of sunshine, marking a gentle decline from the summer peak of 413 hours in July. This transition signals the end of the sun-soaked months, yet the month still basks in the warmth of late summer, making it ideal for outdoor activities and enjoying the city's picturesque landscapes. As autumn approaches, the sunshine hours taper off, with October seeing 266 hours. The vibrant hues of early fall are illuminated by the remaining sunshine, creating a captivating backdrop for visitors and locals alike before the longer, cooler months set in.

Monthly Sunshine Duration in Baden-Baden: September Highlighted

The September sunshine duration represents the total number of hours Baden-Baden experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec132h207h281h349h386h396h413h379h321h266h192h147h
Data source: Baden-Baden September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Baden-Baden During September

In Baden-Baden, Germany, the likelihood of sunny weather in September stands at an encouraging 44%, higher than the summer months that typically boast warmth but yield lower sunshine probabilities, with July and August only offering 38% and 33% chance of sun, respectively. As we transition from the sunny brightness of summer to the cooler autumn days, September emerges as a notable peak in sunshine potential for the late year. This trend reflects an upward trajectory from April’s 48% and a slight drop compared to the previous months, yet it indicates a more favorable weather pattern than the standard gloomy outlook of the lingering early autumn, where October and November drop to 34% and 25%. Consequently, September serves as a splendid opportunity for enjoying the crisp air and vibrant scenery of Baden-Baden, making it an ideal time for outdoor pursuits amidst a delightful balance of warmth and sunshine.

Percentage of Sunny Days in September in Baden-Baden

The chart illustrates the percentage of sunny days in Baden-Baden throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Baden-Baden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%40%43%48%32%32%38%33%44%34%25%22%
Data source: Baden-Baden September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Baden-Baden in September

As summer gracefully gives way to autumn, September in Baden-Baden brings a pleasant shift in daylight, offering approximately 12 hours of sun each day. This marks a gentle decline from the sun-soaked months of June and July, where daylight peaked at 16 hours. The transition is smooth, reflecting a gradual decrease that began in August, making September a beautiful time to experience the changing colors of the season. With daylight diminishing to 10 hours by October, this month serves as a bridge, allowing residents and visitors alike to savor the lingering warmth of late summer before the shorter days take hold. The rhythm of the seasons is palpable, inviting everyone to embrace the vibrant yet fleeting light of September.

Average Daylight Hours in Baden-Baden for September

The chart illustrates the variation in daylight duration in Baden-Baden throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 46m10h 10m11h 55m13h 43m15h 16m16h 3m15h 38m14h 15m12h 32m10h 45m9h 10m8h 20m
Data source: Baden-Baden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Baden-Baden

In September, the winds in Baden-Baden gracefully shift to a gentler pace, averaging a breezy 2.0 m/s (5 mph). This marks a notable decline from the more robust winds experienced in the earlier months of spring and summer, with peak speeds reaching around 3.7 m/s (8 mph) in May. As the seasons transition, the overall trend suggests a slower, more tranquil atmosphere emerges, inviting residents and visitors alike to enjoy the serene landscapes without the brisk gusts of earlier in the year. This gentle breeze enhances the charm of Baden-Baden, making it an ideal time for leisurely strolls through its enchanting parks and gardens.

Average September Wind Speed in Baden-Baden

The chart displays monthly wind speed patterns in Baden-Baden, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.02.92.83.72.02.42.52.0 m/s2.62.53.0
Data source: Baden-Baden September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Baden-Baden Compares to Other Months

The weather in Baden-Baden changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Baden-Baden and find detailed weather information for every month.

September and January present stark contrasts in weather. In September, temperatures can range from a refreshing 2°C (36°F) at night to a warm 31°C (87°F) during the day, with an average of 15°C (60°F). The month sees about 64 mm (2.5 in) of precipitation over 10 days, accompanied by relatively high humidity at 85%. In contrast, January is much colder, with temperatures plummeting to as low as -17°C (2°F) and only averaging 1°C (35°F), peaking at 13°C (56°F). Precipitation increases in January to 111 mm (4.4 in) across 14 days, with humidity rising slightly to 91%. For a detailed look, check out Baden-Baden weather in January.

September and February present a striking contrast in weather patterns. In September, temperatures range from a mild 15°C (60°F) average, peaking at 31°C (87°F), while the minimum temperature rarely drops below 2°C (36°F). The month sees an average precipitation of 64 mm (2.5 in) over about 10 days, accompanied by a humid atmosphere at 85%. Conversely, February is characterized by much colder conditions, with an average temperature of just 4°C (39°F), maxing out at 19°C (67°F) and plummeting to as low as -17°C (2°F). The precipitation increases slightly to 95 mm (3.8 in) over 13 days, and humidity remains high at 89%. For more details about February weather, check out Baden-Baden weather in February.

When comparing the weather in September and March, we can see significant differences in temperature and precipitation. September typically features a remarkable range, with temperatures varying from a cool 2°C (36°F) to a warm 31°C (87°F), averaging around 15°C (60°F). In contrast, March presents a chillier climate, with minimum temperatures dropping to -16°C (3°F) and averaging only 6°C (43°F), while reaching a maximum of 22°C (73°F). Additionally, March experiences more precipitation, totaling 112 mm (4.4 in) across 16 days, compared to September's 64 mm (2.5 in) over 10 days. Humidity levels are similar, hovering around 85% in September and slightly higher at 87% in March. For more detailed information, you can visit Baden-Baden weather in March.

When comparing the weather in September and April, we notice distinct differences in temperature and conditions. September features a wider temperature range, with a minimum of 2°C and a maximum of 31°C, averaging around 15°C. It tends to be more humid, with an 85% humidity level and 64 mm of precipitation over 10 days. In contrast, April experiences cooler temperatures, ranging from a minimum of -5°C to a maximum of 27°C, with an average of 10°C. The precipitation is slightly lower at 50 mm, also spread over 10 days, and humidity is marginally less at 83%. For more details on April weather, you can check out Baden-Baden weather in April.

September and May exhibit distinct weather patterns, characterized by their temperature ranges and precipitation levels. In September, temperatures can vary from a minimum of 2°C (36°F) to a maximum of 31°C (87°F), with an average of 15°C (60°F). This month sees about 64 mm (2.5 in) of precipitation over approximately 10 days and a higher humidity level of 85%. In contrast, May has slightly cooler averages, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (86°F) and an average of 14°C (57°F). However, it features more precipitation, totaling 113 mm (4.4 in) across 15 days, while maintaining a lower humidity of 79%. For more details on May's weather, you can visit Baden-Baden weather in May.

When comparing the weather in September and June, we can see some notable differences. September tends to feature a broader temperature range, with minimum temperatures dropping to 2°C (36°F) and maximums rising to 31°C (87°F), resulting in an average of 15°C (60°F). In contrast, June starts warmer, with minimum temperatures around 7°C (44°F) and maximums reaching 34°C (94°F), averaging 19°C (66°F).

Additionally, June experiences more substantial rainfall, with 115 mm (4.5 in) over 12 days, compared to September's 64 mm (2.5 in) over 10 days. Humidity levels are slightly higher in September at 85%, while June maintains a comfortable 82%. For more detailed information about the weather specifics in June, you can check Baden-Baden weather in June.

When comparing the weather in July and September, we observe some notable differences. July typically enjoys warmer average temperatures, with a minimum of 8°C (46°F) and a maximum of 36°C (98°F), resulting in an average of 20°C (68°F). In contrast, September’s temperatures range from a cooler minimum of 2°C (36°F) to a maximum of 31°C (87°F), averaging 15°C (60°F). Additionally, July experiences slightly more precipitation, totaling 92 mm (3.6 in) over 13 days, compared to September's 64 mm (2.5 in) over 10 days. Humidity levels are relatively close, at 83% in July and 85% in September. For more insights on weather in July, check out Baden-Baden weather in July.

In comparing the weather between August and September, it's clear that September experiences more mild temperatures, with a minimum of 2°C (36°F) compared to August's minimum of 7°C (44°F). The average temperature in September drops to 15°C (60°F), significantly cooler than August's balmy 20°C (68°F). Although both months see substantial precipitation, September receives slightly less with 64 mm (2.5 in) over 10 days, while August has a total of 80 mm (3.1 in) across 15 days. Humidity levels are quite similar, with September at 85% and August at 84%, indicating a relatively humid atmosphere throughout both months. For more detailed information regarding August weather specifics, you can refer to Baden-Baden weather in August.

September typically features warmer temperatures, with a range from 2°C (36°F) to a comfortable 31°C (87°F) and an average of 15°C (60°F). In contrast, October sees cooler conditions, with temperatures dropping to a minimum of 0°C (33°F) and a maximum of 25°C (77°F), and an average of 11°C (52°F). Additionally, October experiences more precipitation, totaling 97 mm (3.8 in) over 14 days, compared to September's 64 mm (2.5 in) across 10 days. The humidity levels also rise slightly in October to 88%, compared to September's 85%. For more detailed information, visit Baden-Baden weather in October.

September weather generally showcases a wider temperature range, with minimums reaching 2°C (36°F) and maximums climbing to 31°C (87°F). The average temperature hovers around a pleasant 15°C (60°F), making it a transitional month with significant warmth early on. In contrast, November brings cooler conditions, with temperatures dipping to a minimum of -2°C (28°F) and an average of 6°C (42°F). The month experiences slightly higher precipitation, totaling 71 mm (2.8 in) over 11 days, accompanied by increased humidity at 89%. For a detailed look at what to expect during this time, check Baden-Baden weather in November.

In September, the weather features a wider temperature range, with minimums around 2°C (36°F), average highs of about 15°C (60°F), and max temperatures reaching up to 31°C (87°F). The month sees an average precipitation of 64 mm (2.5 in) over approximately 10 rainy days and humidity levels around 85%. In contrast, December is much colder, with minimum temperatures dropping to -8°C (17°F) and an average of 3°C (38°F), peaking at a maximum of 14°C (57°F). This month experiences significantly higher precipitation at 148 mm (5.8 in), spread over 19 days, along with increased humidity at 91%. For more detailed insights into December weather, check out Baden-Baden weather in December.

Compare Baden-Baden's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Baden-Baden

As summer gracefully transitions to autumn, September in Baden-Baden offers a delightful mixture of warm days and crisp evenings. While the maximum temperatures can soar as high as 31°C, the fresh air during the nights often brings a coolness that can dip to just above freezing. This month experiences a notable increase in humidity, creating a rich tapestry of atmospheric conditions, but also a higher chance of rainfall, with about ten days seeing precipitation. Compared to the relentless heat of summer, September provides a refreshing change, making it a beautiful time to explore the scenic landscapes of this charming town. For a deeper understanding of how this month's weather fits within the broader patterns, check out Baden-Baden Climate.