September Weather in Sindelfingen, Germany

Last updated: February 26, 2025

In September, Sindelfingen, Germany experiences a charming blend of warmth and coolness, with maximum temperatures reaching up to 29°C (85°F), while the average hovers around 15°C (59°F). As autumn approaches, occasional drops to 1°C (34°F) may surprise visitors. The month witnesses 55 mm (2.1 in) of precipitation over approximately 10 days, contributing to the lush landscapes typical of this season. With humidity levels at 85%, the air can feel quite moist, enhancing the refreshing ambiance of this picturesque town.

September Temperature in Sindelfingen

September in Sindelfingen, Germany marks a delightful transition as the summer warmth gracefully gives way to autumn. With minimum temperatures averaging around 1°C (34°F) and maximums reaching up to 29°C (85°F), the month presents a charming blend of crisp mornings and pleasantly warm afternoons. The average temperature settles at a comfortable 15°C (59°F), inviting both locals and visitors to enjoy outdoor activities amidst the stunning fall foliage. As daylight hours begin to shorten, September’s pleasant weather makes it the perfect time to explore the picturesque landscapes and vibrant cultural scene of Sindelfingen before the chill of October sets in.

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

The chart illustrates September temperature patterns in Sindelfingen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343842495565676659514137
Data source: Temperature data for Sindelfingen 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 Sindelfingen

September marks a transition in Sindelfingen's climate as the summer warmth begins to wane. With an average precipitation of 55 mm (2.1 in) over about 10 days, the month demonstrates a noticeable dip in rainfall compared to the heavier summer months of June and August, both exceeding 96 mm. This reduction signifies the onset of autumn, where rain becomes less frequent but still contributes to the lush greenery of the area. The relatively lower precipitation in September, paired with mild temperatures, creates a perfect backdrop for outdoor activities before the briskness of October sets in. As the year progresses into the final stretch, the rainfall amounts tend to fluctuate, suggesting a climatic rhythm that both locals and visitors learn to appreciate.

September Precipitation Trends in Sindelfingen

The chart displays monthly precipitation patterns in Sindelfingen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79728445961008796557455105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sindelfingen

In Sindelfingen, Germany, September marks a transition in weather trends, with humidity levels resting at 85%. This slight uptick from the preceding summer months reflects a gradual shift towards autumn, as the air begins to retain more moisture after the relatively drier patterns of May and June, which recorded 79% and 82%, respectively. As temperatures cool down in October, humidity is expected to rise further to 88%, showcasing a consistent seasonal rhythm. Overall, the progressive increase in humidity from the summer's end into early fall highlights the region's characteristic dampness, echoing the trend seen throughout winter as humidity levels hover around 89% and 91% in the colder months.

September Average Humidity in Sindelfingen

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

As summer fades into autumn in September, the UV Index in Sindelfingen, Germany shows a notable shift, registering at 6 and categorizing exposure as high. This marks a decline from the intense readings of 8 and 9 experienced in the preceding months, but caution is still warranted as the burn time remains a swift 25 minutes. The trend highlights the transition from very high summer UV levels to more moderate autumn exposure, reminding residents to continue protecting their skin as outdoor activities can still be enjoyed. For more detailed information about the UV Index throughout the year, visit Sindelfingen UV Index.

Maximum UV Index Levels in Sindelfingen for September

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

In Sindelfingen, Germany, September serves as a gentle transition into autumn, boasting an impressive 318 hours of sunshine. This marks a subtle decline from the summer peak of 411 hours in July, yet it still offers a generous dose of sunlight for those enjoying the lingering warmth. As the days grow shorter, the shift is evident compared to earlier months, with September's sunlight illuminating the beautiful fall foliage just beginning to emerge. Though the sunlight begins to wane as the year progresses, with October bringing a further drop to 263 hours, September captures the essence of summer's final embrace, setting the stage for the cozy days ahead.

Monthly Sunshine Duration in Sindelfingen: September Highlighted

The September sunshine duration represents the total number of hours Sindelfingen 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.
JanFebMarAprMayJunJulAugSepOctNovDec132h205h279h346h381h390h411h377h318h263h194h147h
Data source: Sindelfingen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sindelfingen During September

When considering the likelihood of sunny weather in September in Sindelfingen, Germany, the trends indicate an encouraging outlook. With a sunshine probability of 46%, September shares the same favorable status as April, making it one of the brighter months of the year. Interestingly, after a gradual increase in sunshine chances from the winter months to the warmer days of early summer, this early autumn month maintains the upward trend. In fact, it stands out against the slightly lower probabilities in August and October, suggesting that fall can still hold onto the warmth and light of summer. Thus, September effectively serves as a delightful bridge between the seasons, inviting opportunities for outdoor enjoyment under the sun.

Percentage of Sunny Days in September in Sindelfingen

The chart illustrates the percentage of sunny days in Sindelfingen 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 Sindelfingen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%39%42%46%30%32%36%35%46%33%25%19%
Data source: Sindelfingen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sindelfingen in September

In Sindelfingen, Germany, September marks a transitional point as daylight begins to wane, offering about 12 hours of sunlight. This gradual decrease follows the peak of 16 hours in June and reflects a seasonal pattern where daylight increases steadily from the 8 hours in January, reaching its zenith in summer before tapering off into autumn. With September's shorter days, the city experiences a shift from the vibrant late-summer brightness as daylight diminishes, paving the way for the cozy ambiance of fall months ahead. It's a time when the lush landscapes begin to hint at the rich tones of autumn, against a backdrop of gradually receding sunlight.

Average Daylight Hours in Sindelfingen for September

The chart illustrates the variation in daylight duration in Sindelfingen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 45m10h 10m11h 55m13h 43m15h 16m16h 4m15h 39m14h 16m12h 32m10h 45m9h 9m8h 19m
Data source: Sindelfingen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sindelfingen

As summer fades into autumn, September in Sindelfingen ushers in a noticeable drop in wind speed, averaging a gentle 1.9 m/s (4 mph). This decline contrasts with the more vigorous breezes of earlier months, particularly May, which boasts the highest winds at 3.5 m/s (8 mph). The transition to September reveals a trend of tranquility, setting the stage for a serene environment as the year progresses. Following September, wind speeds pick up slightly in October, hinting at a resurgence in autumn's gusty character. However, the calm of September provides a moment of stillness nestled between the lively summer and the brisk winter winds, inviting residents to savor the subtle changes of the season.

Average September Wind Speed in Sindelfingen

The chart displays monthly wind speed patterns in Sindelfingen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.82.92.63.52.12.22.41.9 m/s2.52.42.9
Data source: Sindelfingen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sindelfingen Compares to Other Months

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

September and January present contrasting weather patterns in many aspects. September experiences a much milder temperature range, with a minimum of 1°C (34°F), an average of 15°C (59°F), and a maximum of 29°C (85°F). In contrast, January can be quite harsh, with temperatures plunging to a minimum of -21°C (-6°F) and an average temperature of just 1°C (34°F), peaking at a maximum of 14°C (57°F). Additionally, September sees about 55 mm (2.1 in) of precipitation over 10 days, while January is slightly wetter with 79 mm (3.1 in) across 12 days. Humidity is higher in January at 91%, compared to September's 85%. For a detailed look at how January weather impacts daily life, check out Sindelfingen weather in January.

In September, the weather typically showcases a wide temperature range, with minimums around 1°C (34°F) and maximums reaching up to 29°C (85°F), creating a pleasant average of 15°C (59°F). The month experiences moderate precipitation of 55 mm (2.1 in) over about 10 days, accompanied by a humidity level of 85%. In contrast, February brings significantly colder temperatures, with lows plummeting to -18°C (0°F) and a milder high of 20°C (68°F), resulting in an average of only 3°C (38°F). While it sees a slightly higher precipitation of 72 mm (2.8 in) over the same number of days, the humidity rises to 89%. For more detailed insights on February weather, check out Sindelfingen weather in February.

In September, the weather is generally mild with temperatures ranging from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, averaging around 15°C (59°F). Rain is not uncommon, with about 55 mm (2.1 in) of precipitation over approximately 10 days, accompanied by high humidity levels of 85%. In contrast, March experiences a broader temperature range, with nighttime lows plummeting to -17°C (1°F) and daytime highs reaching 22°C (72°F), resulting in an average temperature of 6°C (42°F). This month is wetter, with 84 mm (3.3 in) of rain spread over about 14 days, and a slightly higher humidity of 87%. For a more detailed look into the weather patterns during this month, you can visit Sindelfingen weather in March.

When comparing the weather in September and April, there are notable differences in temperature and conditions. September experiences a wider temperature range, with minimums around 1°C (34°F) and maximums soaring to 29°C (85°F), providing a pleasant average of 15°C (59°F). In contrast, April has cooler temperatures, starting from a chilly minimum of -5°C (24°F) and reaching up to 27°C (80°F), with an average of 9°C (49°F). Rainfall is slightly more abundant in September, with 55 mm (2.1 in) across 10 days, compared to April’s 45 mm (1.8 in) over 9 days, though humidity levels remain comparable at 85% in September and 83% in April. For more detailed insights, you can visit Sindelfingen weather in April.

When comparing the weather in September and May, both months showcase a range of temperatures and precipitation patterns. September typically experiences milder weather with daily averages around 15°C (59°F), peaking at a warm 29°C (85°F), while May starts slightly cooler with an average of 13°C (56°F) and a maximum of 30°C (86°F). Interestingly, September sees less rainfall at 55 mm (2.1 in) over approximately 10 days compared to May's higher total of 96 mm (3.8 in) spread across 14 days. Additionally, humidity levels are slightly higher in September at 85%, compared to 79% in May. For a more detailed look at the specific weather conditions, check out Sindelfingen weather in May.

When comparing the weather in September and June, notable differences emerge in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 15°C (59°F), while June starts off warmer, with a minimum of 5°C (42°F) and an average of 18°C (65°F). June tends to be sunnier, reaching maximum temperatures up to 33°C (92°F), compared to September's maximum of 29°C (85°F). However, June also sees higher precipitation, with 100 mm (3.9 in) over about 12 days, as opposed to September's 55 mm (2.1 in) across 10 days. Notably, humidity levels remain high in both months, at 85% in September and slightly lower at 82% in June. For more detailed insights, check out Sindelfingen weather in June.

In comparing the weather between September and July, September experiences a broader temperature range, with lows reaching 1°C (34°F) and highs of 29°C (85°F), while July maintains a more consistently warm profile, ranging from 8°C (46°F) to a peak of 35°C (95°F). Additionally, July sees more precipitation at 87 mm (3.4 in) over 13 days, compared to September’s 55 mm (2.1 in) over 10 days, suggesting that July is not only warmer but also wetter. Both months have high humidity, with September slightly higher at 85% and July at 83%. For more detailed information, check out Sindelfingen weather in July.

In comparing the weather of September to that of August, we see a noticeable shift in temperatures and precipitation patterns. September experiences a cooler range with minimum temperatures dropping to 1°C (34°F) and an average around 15°C (59°F), while August is significantly warmer, with a minimum of 6°C (43°F) and an average of 19°C (67°F). Additionally, August sees a higher maximum temperature peaking at 35°C (94°F), compared to September's maximum of 29°C (85°F). Precipitation is also greater in August, with 96 mm (3.8 in) over 15 days, contrasted with September's 55 mm (2.1 in) across 10 days of rainfall. Despite this, both months share similar humidity levels, hovering around 84-85%. For more detailed insights, you can check out the weather specifics here: Sindelfingen weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a mild 1°C (34°F) at night to a warm maximum of 29°C (85°F), with an average of 15°C (59°F). The month experiences 55 mm (2.1 in) of precipitation over about 10 days, and humidity levels hover around 85%. In contrast, October sees cooler temperatures, dipping as low as -1°C (30°F) at night, with an average of 11°C (51°F) and a maximum of 25°C (77°F). This month also brings increased rainfall to 74 mm (2.9 in) over 13 days and a slight rise in humidity to 88%. For more detailed information, you can check the Sindelfingen weather in October.

In comparing the weather between September and November, September tends to have much warmer temperatures, with a minimum of 1°C (34°F) and an average high of 29°C (85°F), while November sees colder conditions, starting at a minimum of -4°C (26°F) and averaging around 5°C (41°F). Both months experience similar levels of precipitation—approximately 55 mm (2.1 in) in September and 55 mm (2.2 in) in November—with rainfall occurring on about 10 days in each month. However, humidity levels rise slightly in November to 89%, compared to 85% in September, reflecting the shift towards a colder, wetter season. For more information on November weather, you can visit Sindelfingen weather in November.

In comparing the weather between September and December, we notice a significant shift in temperatures and conditions. September boasts a broader temperature range, with a minimum of 1°C (34°F) and a maximum of 29°C (85°F), leading to an average of 15°C (59°F). In contrast, December features much colder weather, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 14°C (57°F) and an average of just 3°C (38°F).

Precipitation also increases in December, with 105 mm (4.1 in) falling over 18 days, compared to September's 55 mm (2.1 in) spread across 10 days. Humidity sees a slight rise as well, from 85% in September to 91% in December. For a more detailed look at the winter weather, you can check the Sindelfingen weather in December.

Compare Sindelfingen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sindelfingen

As September unfolds in Sindelfingen, it marks a distinct transition from the warmth of summer to the cooler embrace of autumn. With temperatures peaking around 29°C, the month offers a pleasant farewell to the hot season, contrasted by cooler nights that can dip to 1°C. The air retains a noticeable humidity of 85%, creating a slightly damp atmosphere, especially on the 10 rainy days that contribute to a total precipitation of 55 mm. These weather patterns not only bring refreshing changes but also set the perfect stage for the stunning fall foliage that follows. For a deeper understanding of the climate nuances throughout the year, explore Sindelfingen Climate.