September Weather in Donaueschingen, Germany

Last updated: February 26, 2025

In September, Donaueschingen, Germany, experiences a dynamic climate characterized by a maximum temperature reaching 27°C (82°F) and a refreshing average of 13°C (56°F). The month can start with chilly mornings, with lows dipping to 0°C (32°F). Rainfall is common, with an average precipitation of 82 mm (3.2 in) over approximately 13 rainy days, contributing to the area's lush greenery. With humidity levels averaging 83%, the air remains crisp and invigorating, making September an intriguing time to explore the rich natural beauty and cultural offerings of Donaueschingen.

September Temperature in Donaueschingen

In September, Donaueschingen experiences a notable transition in temperatures, heralding the shift from summer's warmth to the crispness of autumn. With minimums around 0°C (32°F) and averages reaching 13°C (56°F), the month strikes a balance between comfort and coolness. The maximum temperature can still soar to a pleasant 27°C (82°F), allowing for opportunities to enjoy the outdoors before the deeper chill sets in. This gradual decline from summer's peak warmth, contrasted with the emerging freshness, makes September an ideal time for nature lovers to explore the scenic landscapes of Donaueschingen, as the vibrant colors of autumn start to unfold.

September Weather in Donaueschingen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Donaueschingen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313540475362646356483934
Data source: Temperature data for Donaueschingen 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 Donaueschingen

In September, Donaueschingen experiences a moderate dip in precipitation, recording 82 mm (3.2 in) over 13 days. This follows a particularly wet August, which brought 140 mm (5.5 in) of rainfall. The trend suggests a gradual decrease in moisture as summer transitions into autumn, with September's rainfall being significantly less than the preceding months of May, June, and August. As the region moves into October, the precipitation is expected to hover around the 90 mm mark, signaling the onset of autumn's varied weather patterns. This seasonal shift is characterized by fewer rain days compared to the summer months, indicating a steadier but less frequent rainfall as the year progresses.

September Precipitation Trends in Donaueschingen

The chart displays monthly precipitation patterns in Donaueschingen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec100869566135145121140829068126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Donaueschingen

As September rolls into Donaueschingen, the humidity level settles at 83%, offering a slight reprieve from the peak summer months. Following a gradual decline from the high of 92% in January to 80% in August, September marks a subtle uptick that hints at the approaching autumn. This minimal rise suggests a transitional climate, where the remnants of summer warmth blend with the crispness of fall. Notably, the humidity is set to rise again in October, reaching 90%, indicating that Donaueschingen will soon welcome a season characterized by the moisture-laden air typical of late autumn and winter. Overall, September serves as a bridge, balancing the dampness of summer with the cooler, more humid days ahead.

September Average Humidity in Donaueschingen

This chart illustrates the average monthly humidity levels in Donaueschingen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Donaueschingen

As summer fades into autumn in Donaueschingen, the UV Index decreases, shifting from very high levels in July and August to a high index of 6 in September. This signifies a gradual but noticeable reduction in solar intensity, making it important to remain cautious when enjoying outdoor activities. With a burn time of 25 minutes, September still demands moderate sun protection, contrasting sharply with the blistering 15-minute burn periods of the peak summer months. As the year transitions, residents and visitors should remain attuned to these changes, adapting their sun-safe practices accordingly. For more detailed information, check the Donaueschingen UV Index.

Maximum UV Index Levels in Donaueschingen for September

The chart shows the monthly maximum UV Index (UVI) for Donaueschingen 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: Donaueschingen 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 Donaueschingen

As summer gracefully transitions into autumn, September in Donaueschingen, Germany, bathes in an impressive 324 hours of sunshine. This marks a gentle decline from the peak sunny days of July, which boasts a vibrant 415 hours. While the month may not capture the blazing heights of mid-summer, it still offers a generous farewell to warmth, outshining both October and the chillier months that follow. The subtle shift in daylight illuminates the changing foliage, providing a picturesque backdrop for those enjoying the crisp air and the last golden rays of the season. With a consistent trend of diminishing sunlight as the year wanes, September stands out as a remarkable bridge between the lushness of summer and the serene beauty of autumn.

Monthly Sunshine Duration in Donaueschingen: September Highlighted

The September sunshine duration represents the total number of hours Donaueschingen 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.
JanFebMarAprMayJunJulAugSepOctNovDec137h214h286h356h375h391h415h381h324h267h197h153h
Data source: Donaueschingen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Donaueschingen During September

In September, the likelihood of sunny weather in Donaueschingen, Germany, reaches 42%, indicating a peak in sunlit days as summer transitions into autumn. This month follows a gradual increase in sunshine chances, beginning at a modest 13% in January and rising steadily through the spring, where April marks a significant leap to 46%. Although summer months like June and July present similar chances at 31% and 34% respectively, September stands out as a time when warmth lingers, offering residents and visitors a delightful balance of sunshine before the cooler months set in. As autumn approaches, the sun's presence remains notable, making September an appealing time for outdoor activities in this charming part of Germany.

Percentage of Sunny Days in September in Donaueschingen

The chart illustrates the percentage of sunny days in Donaueschingen 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 Donaueschingen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%39%43%46%31%31%34%34%42%34%24%22%
Data source: Donaueschingen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Donaueschingen in September

As summer fades in September, Donaueschingen experiences a notable shift in daylight duration, providing about 12 hours of sunlight. This marks a gradual decline from the summer peak of 15 hours in June through August, reflecting the natural progression toward autumn. The transition is evident as the days begin to shorten, hinting at the cozy embrace of fall. This month serves as a bridge—offering longer days compared to the upcoming months of October and November, which will see daylight dwindle to 10 and 9 hours respectively. The rhythmic ebb and flow of daylight highlights the seasonal changes that shape the landscape and mood of this charming German town.

Average Daylight Hours in Donaueschingen for September

The chart illustrates the variation in daylight duration in Donaueschingen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 50m10h 13m11h 55m13h 41m15h 11m15h 58m15h 33m14h 12m12h 31m10h 46m9h 13m8h 25m
Data source: Donaueschingen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Donaueschingen

In Donaueschingen, Germany, the month of September experiences a gentle decline in wind speed, averaging just 1.9 m/s (4 mph). This marks the lowest point in the annual wind cycle, contrasting with the breezier spring months, where winds picked up to around 3.5 m/s (8 mph) in May. Following a summer of relatively calm breezes, September transitions the season into the quieter days of autumn, mirroring the overall trend of diminishing wind as the year progresses. The overall pattern indicates a gradual shift from brisk spring and early summer gusts toward the more tranquil conditions of fall, inviting a sense of serenity as nature begins its yearly slowdown.

Average September Wind Speed in Donaueschingen

The chart displays monthly wind speed patterns in Donaueschingen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.92.82.83.52.02.22.41.9 m/s2.42.43.0
Data source: Donaueschingen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Donaueschingen Compares to Other Months

The weather in Donaueschingen 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 Donaueschingen and find detailed weather information for every month.

September offers a mild climate with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 27°C (82°F), making it a pleasant time for outdoor activities. In contrast, January brings much colder conditions, with average temperatures between -18°C (1°F) and 12°C (54°F), significantly impacting daily life and requiring warmer clothing. While September experiences 82 mm (3.2 in) of precipitation over 13 days, January sees slightly more rainfall at 100 mm (3.9 in) spread across 12 days, though the colder temperatures mean this often falls as snow. The higher humidity in January, at 92%, compared to September's 83%, adds to the chill of the winter air. For a deeper understanding of the weather conditions during this time, check out Donaueschingen weather in January.

In September, temperatures in Donaueschingen are generally milder, ranging from a minimum of 0°C (32°F) to a maximum of 27°C (82°F), with an average temperature of 13°C (56°F). The month experiences approximately 82 mm (3.2 in) of precipitation over about 13 days, accompanied by a humidity level of 83%. In contrast, February brings much colder weather, with temperatures dipping as low as -16°C (3°F) and averaging at just 2°C (35°F). The maximum temperature reaches 17°C (63°F), while precipitation increases slightly to 86 mm (3.4 in) over 12 days, alongside a higher humidity level of 89%. For more information, you can check Donaueschingen weather in February.

When comparing the weather in September and March, significant differences in temperature and precipitation are evident. September typically enjoys milder temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 27°C (82°F), with an average of 13°C (56°F). In contrast, March experiences much colder conditions, with temperatures dipping as low as -16°C (4°F) and peaking at 20°C (68°F), averaging around 4°C (40°F). Precipitation levels are also notable, with September receiving approximately 82 mm (3.2 in) over 13 days, while March sees slightly higher precipitation at 95 mm (3.7 in) over 14 days. Humidity remains relatively high in both months, with September at 83% and March at 87%. For more detailed insights, you can check Donaueschingen weather in March.

In comparing the weather between September and April, we observe notable differences in temperature and precipitation levels. September typically experiences milder temperatures, with a minimum of 0°C (32°F), an average of 13°C (56°F), and a maximum of 27°C (82°F). In contrast, April begins with chillier conditions, featuring a minimum of -8°C (19°F), an average of 8°C (47°F), and a maximum of 25°C (77°F). Precipitation is slightly higher in September at 82 mm (3.2 in) over 13 days compared to April’s 66 mm (2.6 in) across 11 days, although both months exhibit similar humidity levels around 83% and 84%, respectively. For more details about the weather in April, you can check Donaueschingen weather in April.

When comparing the weather in September and May, we can see notable differences in temperature and precipitation patterns. September typically offers a milder range with minimum temperatures around 0°C (32°F) and maximums reaching 27°C (82°F), whereas May experiences slightly cooler mornings with minimums dipping to -3°C (28°F) but still boasts a comparable maximum of 28°C (83°F). Precipitation is more pronounced in May, totaling 135 mm (5.3 in) over 17 days, compared to September's 82 mm (3.2 in) over 13 days. Humidity levels are also relatively high, with September at 83% and May slightly lower at 80%. For more detailed insights, you can check the Donaueschingen weather in May.

When comparing the weather conditions in September and June, notable differences emerge. September typically experiences a temperature range from a chilly 0°C (32°F) at its lowest to a warm 27°C (82°F) at its peak, with an average of 13°C (56°F). In contrast, June offers a milder climate, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 33°C (91°F) and an average of 17°C (63°F).

In terms of precipitation, June is wetter with 145 mm (5.7 in) spread over 16 days, compared to September's 82 mm (3.2 in) on 13 days. Interestingly, both months maintain high humidity levels, with September at 83% and June at 82%. For more detailed insights on the climate, you can check the Donaueschingen weather in June.

In comparing the weather between September and July, we observe distinct changes in temperature and precipitation. September experiences a cooler range with minimum temperatures dropping to 0°C (32°F) and an average of 13°C (56°F), while July has milder conditions, starting at a minimum of 6°C (44°F) and averaging 18°C (64°F). The peak temperatures in July reach a warm maximum of 33°C (92°F), in contrast to September's upper limit of 27°C (82°F). Additionally, July sees more precipitation, totaling 121 mm (4.8 inches) over 16 days, compared to September's 82 mm (3.2 inches) over 13 days. Notably, humidity remains constant at 83% in both months. For more detailed insights, you can check out Donaueschingen weather in July.

In comparing the weather of September to that of August, September presents a cooler temperature range, with minimums dropping to 0°C (32°F) compared to August's minimum of 5°C (41°F). The average temperature in September is also lower at 13°C (56°F), whereas August enjoys a warmer average of 17°C (64°F). Additionally, September experiences more variability in weather, with a maximum temperature of 27°C (82°F) compared to August’s peak of 33°C (92°F). Precipitation in September totals 82 mm (3.2 in) over 13 days, while August is wetter, receiving 140 mm (5.5 in) across 17 days. Both months have high humidity levels, but September is slightly more humid at 83% versus August's 80%. For more detailed information, you can check out Donaueschingen weather in August.

September and October weather show a notable transition as autumn progresses. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 27°C (82°F), with an average of 13°C (56°F). The month experiences 82 mm (3.2 in) of precipitation over 13 days, accompanied by relatively high humidity at 83%. In contrast, October sees cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 22°C (71°F), averaging 9°C (49°F). Precipitation increases slightly to 90 mm (3.5 in), still spread over 13 days, and humidity rises to 90%. This shift makes October feel distinctly chillier and wetter than September. For more detailed information, check Donaueschingen weather in October.

In September, the weather is generally milder, with average temperatures around 13°C (56°F) and highs reaching up to 27°C (82°F), while November experiences cooler temperatures, averaging only 4°C (39°F) and peaking at 18°C (65°F). Both months see a fair amount of precipitation, with September receiving 82 mm (3.2 in) over 13 days, compared to November’s 68 mm (2.7 in) over 11 days. Additionally, humidity levels are slightly higher in November at 88%, compared to 83% in September. For more detailed information, you can check out Donaueschingen weather in November.

September and December present strikingly different weather patterns. In September, temperatures range from a chilly 0°C (32°F) at night to a warm 27°C (82°F) during the day, with an average of 13°C (56°F). The month sees about 82 mm (3.2 in) of precipitation over 13 days, coupled with a relatively high humidity of 83%. In contrast, December brings much colder temperatures, with nighttime lows dropping to -8°C (18°F) and daytime highs peaking at only 12°C (54°F), averaging just 1°C (34°F). The precipitation increases to 126 mm (5.0 in) over 18 days, along with higher humidity levels at 90%. For more detailed information, check out Donaueschingen weather in December.

Compare Donaueschingen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Donaueschingen

As September graces Donaueschingen, it ushers in a transition from summer warmth to the crispness of autumn. With daytime temperatures peaking around a pleasant 27°C, the month often presents a delightful mix of lingering sunny days and cooler evenings, where the average dips to 13°C. However, the increase in rainfall—averaging 82 mm over 13 days—adds a touch of unpredictability, making this month distinctively more humid at 83% compared to the preceding summer months. This blend of warmth and moisture creates a unique atmosphere, perfect for those who appreciate the beauty of fall. To explore the full range of weather trends in this charming town, check out Donaueschingen Climate.