September Weather in Rottweil, Germany

Last updated: February 26, 2025

September in Rottweil, Germany, presents a captivating blend of mild temperatures and the transition toward autumn. With maximum highs reaching 28°C (83°F) and an average temperature of 14°C (57°F), the month offers pleasantly warm days. However, the evenings can be cool, dipping to a minimum of 1°C (33°F). Rainfall is a notable feature, accumulating to 65 mm (2.6 in) across approximately 11 days, contributing to the region's lush greenery. The air is infused with a humidity level of 85%, creating a refreshing atmosphere as summer fades and fall approaches.

September Temperature in Rottweil

As September arrives in Rottweil, Germany, the temperatures begin to shift, signaling the transition from the warm summer months to the cooler autumn. With a minimum temperature of 1°C (33°F) and an average of 14°C (57°F), the month offers a refreshing change from the summer heat. The maximum temperature peaks at a pleasant 28°C (83°F), inviting residents and visitors alike to enjoy outdoor activities amidst the changing foliage. This trend of milder weather allows for a comfortable exploration of Rottweil's charming streets and historic sites, making September an ideal time to experience the town's enchanting autumn ambiance. The gradual cool down sets the stage for the cozy months ahead, introducing a beautiful blend of warm days and crisp evenings.

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

The chart illustrates September temperature patterns in Rottweil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313640475363646456493935
Data source: Temperature data for Rottweil 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 Rottweil

In September, Rottweil experiences a moderate precipitation total of 65 mm (2.6 in), marking a noticeable dip from the previous summer months. With 11 rainy days, the arrival of autumn brings a shift in weather patterns, as rainfall becomes less frequent yet remains steady compared to the preceding months. This decline follows a trend established in July and August, characterized by higher moisture levels peaking at 97 mm (3.8 in) and 109 mm (4.3 in), respectively. The more temperate September conditions hint at a transitional period, as the city prepares for the cooler and wetter days of autumn ahead. Overall, the gradual decrease in precipitation reflects the shifting seasons, inviting a refreshing change in Rottweil's landscape.

September Precipitation Trends in Rottweil

The chart displays monthly precipitation patterns in Rottweil, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8475835911812197109657659105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rottweil

In Rottweil, Germany, the month of September experiences a moderate humidity level of 85%, which reflects a slight increase from the preceding summer months. This trend indicates a gradual transition as the warm summer air gives way to the cooler autumn breezes. Throughout the year, humidity peaks in winter months, with January and December registering at a high 91%, while the driest month, May, dips to 79%. As the seasons shift, humidity levels tend to rise again in the autumn, suggesting that September serves as a bridge between the warmth of summer and the chill of winter, enveloping the town in a refreshing moisture that nourishes the surrounding landscapes.

September Average Humidity in Rottweil

This chart illustrates the average monthly humidity levels in Rottweil, 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 Rottweil

In September, Rottweil experiences a notable shift in UV exposure as summer wanes. With a UV Index of 6, categorized as high, residents and visitors are reminded to take precautionary measures against sun exposure, especially during peak hours. This month sees a return to a burn time of approximately 25 minutes, allowing for a bit more outdoor enjoyment without immediate risk compared to the intense UV levels of July and August. As the sun’s strength decreases from the summer peak, it’s a good time to reflect on sun safety habits learned during the hotter months while still enjoying Rottweil's early autumn beauty. For more detailed information, check out the Rottweil UV Index.

Maximum UV Index Levels in Rottweil for September

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

In Rottweil, Germany, September marks a delightful transition as the summer sun begins to wane, offering 321 hours of sunshine. This month, while still basking in warmth, shows a decline from the peak sunshine of July, which boasted an impressive 414 hours. However, September's sunlight is a welcome contrast to the gloomier months ahead, especially when compared to October's 266 hours. The gradual decrease in daylight from mid-summer to early autumn signals not just a shift in seasons but also the beauty of nature's cycles. As the vibrant colors of fall begin to emerge, September stands out as a bridge between the sun-drenched days of summer and the cozy, shorter days of winter. It invites both reflection and appreciation for the abundant light we've enjoyed in the warmer months.

Monthly Sunshine Duration in Rottweil: September Highlighted

The September sunshine duration represents the total number of hours Rottweil 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.
JanFebMarAprMayJunJulAugSepOctNovDec136h211h283h352h379h392h414h378h321h266h199h152h
Data source: Rottweil September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rottweil During September

In September, Rottweil, Germany experiences a notable uptick in sunny weather, with a 43% chance of sunshine. This marks an improvement from the summer months; while July and August hover around the 35% to 34% range, September offers a refreshing change, suggesting nature's transition into autumn is accompanied by more favorable weather. As the month progresses, it becomes clear that the chances of sun are rising compared to earlier months in the year, peaking after a slow start in the winter and spring. With September standing as one of the more promising months for sunshine, it's an ideal time for outdoor activities before the clouds of autumn set in.

Percentage of Sunny Days in September in Rottweil

The chart illustrates the percentage of sunny days in Rottweil 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 Rottweil experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%40%42%47%31%32%35%34%43%33%22%20%
Data source: Rottweil September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rottweil in September

As summer fades into autumn, September in Rottweil, Germany, ushers in a delightful interplay of daylight. With 12 hours of sunshine, the month serves as a gentle transition from the peak brightness of summer, which boasts 15 hours in both June and July. Following the vibrant greenery of May and the warmth of August, September's daylight still offers a generous amount, yet it subtly hints at the impending shorter days of autumn. As the year progresses, daylight gradually dwindles, dipping to 10 hours in October, before reaching the confines of winter's embrace with just 8 hours in January. This natural rhythm of light and dark not only shapes the landscape but also invites locals to savor the lingering warmth and beauty of early fall.

Average Daylight Hours in Rottweil for September

The chart illustrates the variation in daylight duration in Rottweil 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 12m15h 58m15h 34m14h 12m12h 31m10h 46m9h 13m8h 24m
Data source: Rottweil daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rottweil

As summer transitions into autumn, the September wind in Rottweil, Germany typically whispers at a gentle average speed of 2.0 m/s (4 mph), marking a noticeable dip compared to the breezy months leading up to it. This decline follows a trend observed throughout the warmer seasons, where winds were more lively, peaking in May at 3.7 m/s (8 mph). However, September’s calm conditions invite a sense of tranquility, contrasting with the invigorating gales of earlier summer. Looking forward, the winds pick up slightly again in October, suggesting a mild resurgence as the year progresses, yet nothing quite matches the vivacity of late spring.

Average September Wind Speed in Rottweil

The chart displays monthly wind speed patterns in Rottweil, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.12.92.83.72.12.32.52.0 m/s2.62.53.1
Data source: Rottweil September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rottweil Compares to Other Months

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

September and January present contrasting weather experiences. In September, temperatures range from a cool minimum of 1°C (33°F) to a warm maximum of 28°C (83°F), with an average of 14°C (57°F). The month sees about 65 mm (2.6 in) of precipitation over 11 days and a relatively high humidity of 85%. In stark contrast, January features much colder conditions, with temperatures dropping to a minimum of -16°C (4°F) and peaking at 13°C (55°F), averaging around 0°C (32°F). This winter month receives slightly more precipitation at 84 mm (3.3 in) across 12 days and an even higher humidity level of 91%. For a closer look at January weather specifics in Rottweil, you can visit Rottweil weather in January.

When comparing the weather of September and February, it's clear that these months present quite different climates. September enjoys mild temperatures, ranging from a chilly 1°C (33°F) at night to a warm 28°C (83°F) during the day, with an average of 14°C (57°F). The month sees about 65 mm (2.6 in) of precipitation spread across 11 days, accompanied by a relatively high humidity of 85%.

In contrast, February experiences much colder conditions, with nighttime lows plummeting to -18°C (1°F) and daytime highs reaching only 18°C (65°F), averaging around 2°C (36°F). This month receives slightly more precipitation at 75 mm (3.0 in) over the same number of days, and humidity levels increase to 89%. For more details on February weather, you can check Rottweil weather in February.

When comparing the weather of September and March, significant differences in temperature and conditions become evident. September generally showcases a much milder temperature range, with minimums around 1°C (33°F) and maximums reaching up to 28°C (83°F), leading to a comfortable average of 14°C (57°F). In contrast, March presents a chillier climate, with minimum temperatures plunging to -21°C (-5°F) and average highs of only 21°C (70°F), averaging around 4°C (40°F). Additionally, while September experiences about 65 mm (2.6 in) of precipitation over 11 days, March sees a higher total of 83 mm (3.3 in) across 14 days, and slightly higher humidity levels at 87%. For more details, check out Rottweil weather in March.

When comparing the weather in September and April, several notable differences emerge. September generally offers warmer conditions, with average temperatures ranging from a chilly 1°C (33°F) at night to a pleasant high of 28°C (83°F) during the day. In contrast, April experiences cooler nights, dipping to as low as -6°C (22°F), and has a more moderate daily high of 25°C (77°F). Both months see a similar level of precipitation, with September at 65 mm (2.6 in) over 11 days and April at 59 mm (2.3 in) over 10 days. Humidity levels are comparable, with September at 85% and April slightly lower at 83%. For more specific details about April weather, you can check Rottweil weather in April.

September and May showcase notable differences in weather patterns. September typically experiences milder temperatures with a minimum of 1°C (33°F) and an average of 14°C (57°F), while May starts off cooler, with minimum temperatures dropping to -2°C (28°F) but can reach a maximum of 29°C (84°F). Precipitation in September is relatively moderate at 65 mm (2.6 in) over 11 days, contrasting with May's higher total of 118 mm (4.6 in) spread across 17 days, indicating a more unsettled atmosphere. Additionally, September has a higher humidity level at 85%, compared to 79% in May, making the early fall feel a bit more humid. For more detailed insights about May weather, you can refer to Rottweil weather in May.

In September, the weather tends to be milder with a minimum temperature of 1°C (33°F) and an average of 14°C (57°F), peaking at 28°C (83°F). The month experiences a relatively moderate amount of rainfall, with 65 mm (2.6 in) over approximately 11 days, while humidity levels hover around 85%. In contrast, June brings warmer conditions with a minimum temperature of 4°C (40°F) and an average temperature of 17°C (63°F), reaching as high as 32°C (91°F). However, June is also characterized by higher rainfall, totaling 121 mm (4.8 in) spread across 13 days, and slightly lower humidity at 82%. For more detailed information, you can check Rottweil weather in June.

When comparing the weather in September and July, September tends to be cooler with average temperatures ranging from a minimum of 1°C (33°F) to a maximum of 28°C (83°F), while July is warmer with temperatures that range from a minimum of 6°C (43°F) to a maximum of 35°C (94°F). Additionally, September experiences about 65 mm (2.6 in) of precipitation over 11 days, which is less than July's higher total of 97 mm (3.8 in) across 15 days. Despite these differences, both months exhibit relatively high humidity, with September at 85% and July slightly lower at 83%. For more detailed weather insights, you can check Rottweil weather in July.

When comparing the weather in September to August, one can observe noticeable differences. September features a broader temperature range with a minimum of 1°C (33°F) and a maximum of 28°C (83°F), providing a cooler overall average of 14°C (57°F). In contrast, August tends to be warmer, with minimum temperatures around 5°C (41°F) and highs reaching up to 34°C (94°F), leading to an average of 18°C (64°F). Precipitation is also higher in August, totaling 109 mm (4.3 in) over 15 days compared to September’s 65 mm (2.6 in) across 11 days. Humidity remains relatively consistent, with September at 85% and August slightly lower at 84%. For a more detailed look at August's weather, you can visit Rottweil weather in August.

September generally features warmer temperatures, with averages around 14°C (57°F) and maximums reaching up to 28°C (83°F), while October sees a notable drop, averaging 9°C (49°F) and peaking at 23°C (73°F). Precipitation increases slightly from September to October, with 65 mm (2.6 in) in September compared to 76 mm (3.0 in) in October, and the number of rainy days also rises from 11 to 12. Additionally, humidity levels are higher in October at 88% compared to 85% in September, contributing to a cooler and often brisk feel in the air. For a detailed look at the specific weather conditions in October, you can check out Rottweil weather in October.

In September, the weather typically features a milder and more varied range of temperatures, with lows of 1°C (33°F) and highs reaching up to 28°C (83°F), resulting in an average temperature of 14°C (57°F). The month also experiences around 65 mm (2.6 in) of precipitation over approximately 11 days, coupled with a humidity level of 85%. In contrast, November brings cooler conditions, with temperatures dropping significantly as the minimum reaches -5°C (23°F) and the average settles at just 4°C (39°F). Although precipitation decreases slightly to 59 mm (2.3 in) over about 10 days, humidity rises to 89%, intensifying the sense of chill in the air. For those interested in a detailed look at November's weather, you can check Rottweil weather in November.

September and December present contrasting weather patterns. In September, temperatures range from a mild 1°C (33°F) at night to a warm 28°C (83°F) during the day, with an average of 14°C (57°F). The month experiences moderate precipitation totaling 65 mm (2.6 in) over approximately 11 days, and humidity remains quite high at 85%. In contrast, December sees much colder conditions, with temperatures dropping to a minimum of -8°C (17°F) and only reaching a maximum of 13°C (55°F), leading to a chilly average of 2°C (35°F). This month is also wetter, with precipitation reaching 105 mm (4.1 in) across about 18 days, while humidity levels rise slightly to 91%. For more detailed insights, you can visit Rottweil weather in December.

Compare Rottweil's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rottweil

As summer gives way to autumn, September in Rottweil brings noticeable changes in weather. With an average temperature around a refreshing 14°C (57°F), the days can still enjoy warmth, reaching up to a pleasant 28°C (83°F), though nights may dip significantly, accentuating the month’s crisp feel. While rain graces 11 days, accumulating about 65 mm (2.6 in), the high humidity of 85% often makes the air feel heavier. This transition period showcases a balance of lingering warmth and refreshing coolness, making September a unique experience compared to the sweltering summer months. For more insights into how Rottweil's weather evolves throughout the year, visit Rottweil Climate.