September Weather in Willingen, Germany

Last updated: February 26, 2025

In September, Willingen, Germany, experiences a dynamic climate characterized by temperatures ranging from a pleasant maximum of 31°C (88°F) to a cool minimum of 2°C (35°F), averaging around 14°C (57°F). This month sees a moderate precipitation amount of 64 mm (2.5 in), occurring over 10 days, contributing to the region's vibrant fall foliage. High humidity levels at 82% add to the crispness of the air, making it an invigorating time for outdoor activities and exploration amidst nature's breathtaking transformation.

September Temperature in Willingen

In September, Willingen, Germany, ushers in a transition from the warmth of summer to the crispness of autumn. The temperatures exhibit a delightful range, with minimums averaging around 2°C (35°F) and maximums peaking at a pleasant 31°C (88°F). This month boasts a comfortable average temperature of 14°C (57°F), making it an ideal time for outdoor activities as the landscape begins to don its fall colors. While the warmth of August lingers, the noticeable dip in temperatures hints at the approach of colder seasons, creating a perfect backdrop for enjoying the natural beauty of the region before winter sets in.

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

The chart illustrates September temperature patterns in Willingen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343641485463646457504137
Data source: Temperature data for Willingen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Willingen

September in Willingen, Germany, typically signals a transition toward cooler, wetter autumn days, with an average precipitation of 64 mm (2.5 in) and rainfall spread across about 10 days. This month experiences a notable drop in precipitation compared to the summer months, reflecting a shift in weather patterns, as the region sees less rain than in August, which recorded 79 mm (3.1 in). Such a trend hints at an impending change in the landscape, where vibrant fall foliage slowly begins to replace the lush greenery of summer. Overall, while September ushers in a reduction in precipitation, the month still plays a vital role in nurturing the environment as it prepares for the more substantial rainfall anticipated in October.

September Precipitation Trends in Willingen

The chart displays monthly precipitation patterns in Willingen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec97931044483798979648461136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Willingen

In September, Willingen, Germany, experiences a slight increase in humidity, registering at 82%, which marks a transition as summer begins to wane. Over the months, humidity levels have shown a gradual decline from the year's peak in January at 92%, reaching a low of 74% during the milder summer months of June and July. However, as autumn approaches, humidity levels bounce back, hinting at the seasonal shift. This trend of rising humidity in September serves as a precursor to the wetter conditions that typically characterize the fall, when humidity again climbs to 88% in October, echoing the patterns seen throughout the year.

September Average Humidity in Willingen

This chart illustrates the average monthly humidity levels in Willingen, 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%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Willingen

As we transition into September in Willingen, Germany, the UV Index reflects a shift towards milder conditions, settling at a moderate rating of 5. This marks a notable decrease from the peak summer months, where a UV Index of 8 was recorded in both July and June, necessitating vigilant sun protection measures with a burn time as quick as 15 minutes. In September, residents and visitors still enjoy ample sunshine, but the 30-minute burn time suggests a more manageable exposure scenario. This month balances the lingering warmth of summer with a gradual approach to autumn, emphasizing the importance of sun safety while you relish the beautiful scenery. For detailed insights about the UV Index in Willingen throughout the year, check out Willingen UV Index.

Maximum UV Index Levels in Willingen for September

The chart shows the monthly maximum UV Index (UVI) for Willingen 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.
JanFebMarAprMayJunJulAugSepOctNovDec134578875421
Data source: Willingen 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 Willingen

As summer wanes, September in Willingen, Germany, presents a stunning tableau of 308 hours of sunshine, marking a delightful transition from the peak summer months. This is a notable decrease from August's vibrant 374 hours, yet still offers a generous amount of daylight that invites outdoor exploration and enjoyment. The trend reflects a gradual softening in sun exposure as the year approaches its close, with sunshine hours steadily declining from the exuberance of July's 403 hours. This mid-autumn charm captures the essence of changing seasons, making September a unique time to appreciate the beauty of nature as it shifts towards the rich hues of fall.

Monthly Sunshine Duration in Willingen: September Highlighted

The September sunshine duration represents the total number of hours Willingen 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.
JanFebMarAprMayJunJulAugSepOctNovDec91h186h251h335h376h381h403h374h308h216h151h96h
Data source: Willingen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Willingen During September

As September arrives in Willingen, Germany, the chance of enjoying sunny weather rises to 36%, making it a notable transition from the more sun-drenched summer months. While this percentage shows a slight dip compared to the warmer months of July and August, it highlights the shift towards autumn, characterized by crisper air and vibrant foliage. Notably, September's sunshine likelihood surpasses that of October, November, and December, suggesting that early autumn can still be a delightful time for outdoor activities. As daylight hours shorten, those seeking the last glimpses of summer sunshine should take advantage of this month, as the sunny days begin to wane significantly heading into the cooler months.

Percentage of Sunny Days in September in Willingen

The chart illustrates the percentage of sunny days in Willingen 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 Willingen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%30%40%38%27%29%29%29%36%22%15%11%
Data source: Willingen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Willingen in September

As summer transitions into autumn, September in Willingen, Germany, offers a pleasing balance of daylight, with approximately 12 hours of sunlit hours per day. This month marks a gentle decline from the vibrant 16 hours experienced in June, reflecting the gradual shift towards the shorter days of fall. With crisp air and changing leaves, the daylight duration continues to decrease, hinting at the cooler months ahead. However, September still boasts more daylight than many of its neighboring months, like October and November, which feature just 10 and 8 hours of daylight, respectively. This trend underscores the beauty of early autumn, where longer days invite both adventure and contemplation before the onset of winter.

Average Daylight Hours in Willingen for September

The chart illustrates the variation in daylight duration in Willingen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 31m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Willingen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Willingen

As September unfolds in Willingen, Germany, the average wind speed drops to a gentle 2.3 m/s (5 mph), marking it as one of the calmest months of the year. This notable decline follows a gradual decrease from the vibrant winds of spring and summer, where speeds hovered around 3.5 m/s (8 mph). The transition into autumn brings a softer breeze, echoing the longer, quieter days ahead. In comparison, October sees a slight uptick to 3.3 m/s (7 mph), as if the winds are preparing to usher in the changing leaves and cooler temperatures. Overall, September's peaceful winds invite a moment of reflection before the more robust gusts signal the shift toward winter.

Average September Wind Speed in Willingen

The chart displays monthly wind speed patterns in Willingen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.33.03.52.42.52.82.3 m/s3.32.73.2
Data source: Willingen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Willingen Compares to Other Months

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

In September, weather conditions are generally milder, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 31°C (88°F) and an average of 14°C (57°F). The month experiences about 64 mm (2.5 in) of precipitation over roughly 10 days, coupled with a humidity level of 82%. In stark contrast, January is much colder, with temperatures dipping as low as -16°C (3°F) and averaging just 1°C (34°F), reaching a maximum of 11°C (53°F). While January sees more precipitation at 97 mm (3.8 in) over approximately 15 days, humidity levels rise slightly to 92%. For a deeper understanding of January's weather patterns, you can explore this Willingen weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a cool 2°C (35°F) at night to a warm 31°C (88°F) during the day, providing an average of 14°C (57°F). The month sees an average of 64 mm (2.5 in) of precipitation spread over approximately 10 days, paired with a relative humidity of 82%. In contrast, February is significantly colder, with minimum temperatures plummeting to -14°C (8°F) and a maximum reaching only 18°C (64°F), averaging around 2°C (36°F). This winter month experiences increased precipitation of 93 mm (3.7 in) over 13 days, accompanied by a higher humidity level of 90%. For more specific insights into February weather, you can explore Willingen weather in February.

Comparing the weather between September and March reveals some notable differences. September typically enjoys a milder temperature range with a minimum of 2°C (35°F) and a maximum of 31°C (88°F), averaging around 14°C (57°F). In contrast, March experiences much cooler temperatures, with a minimum of -14°C (7°F) and a maximum of 21°C (70°F), averaging only 5°C (41°F). Additionally, March tends to be wetter, with 104 mm (4.1 in) of precipitation falling over 16 days, compared to September's 64 mm (2.5 in) over just 10 days. Humidity is slightly higher in March at 87% versus 82% in September. For more specific insights into the climate during this month, you can visit Willingen weather in March.

September and April present distinct contrasts in weather. September typically features a broader temperature range, with minimums around 2°C (35°F), averaging 14°C (57°F), and reaching highs of 31°C (88°F). In contrast, April experiences cooler temperatures with minimums dropping to -9°C (16°F), averaging 9°C (48°F), and maxing out at 25°C (78°F). Rainfall is more prevalent in September, with 64 mm (2.5 in) over 10 days, compared to April's 44 mm (1.7 in) across 9 days. Both months have similar humidity levels, with September at 82% and April slightly higher at 83%. For a closer look at April weather specifics, visit Willingen weather in April.

When comparing the weather in September and May, both months showcase similar maximum temperatures, peaking at around 31°C (88°F) and 31°C (87°F) respectively. However, September presents a warmer average temperature of 14°C (57°F) compared to May's 12°C (54°F), while May experiences cooler minimum temperatures, dipping to -2°C (29°F), unlike September which starts at 2°C (35°F). Precipitation is slightly higher in May at 83 mm (3.3 in) over 13 days, compared to September's 64 mm (2.5 in) spread over 10 days. Additionally, May has a lower humidity level at 76%, compared to September's higher average of 82%. For those interested in more detailed weather patterns, check Willingen weather in May.

In comparing the weather in September and June, both months exhibit a range of temperatures but with notable differences. September experiences a wider temperature range, with minimums dipping to 2°C (35°F) and maximums reaching 31°C (88°F), while June starts at a slightly warmer minimum of 6°C (43°F) and peaks at 33°C (91°F). Precipitation levels are comparable, with September receiving 64 mm (2.5 in) over about 10 days and June seeing slightly more at 79 mm (3.1 in) across 13 days. Humidity is also higher in September at 82% compared to June's 74%. For a closer look at June’s weather specifics, check out Willingen weather in June.

In September, temperatures experience a wider range, with a minimum of 2°C (35°F) and a maximum of 31°C (88°F), leading to an average of 14°C (57°F). In contrast, July tends to be warmer overall, with minimum temperatures of 6°C (43°F), average temperatures of 18°C (65°F), and a peak of up to 36°C (98°F). Precipitation is slightly higher in July, totaling 89 mm (3.5 in) over 12 days compared to September's 64 mm (2.5 in) across 10 days, although September's humidity is notably higher at 82% compared to July's 74%. For more detailed insights, you can visit Willingen weather in July.

In August, temperatures are generally warmer with a minimum of 7°C (45°F) and an average of 18°C (65°F), peaking at 34°C (93°F). The month experiences slightly more precipitation, totaling 79 mm (3.1 in) over 14 days, with humidity at a moderate 75%. In contrast, September brings cooler temperatures, with a minimum of 2°C (35°F), an average of 14°C (57°F), and a maximum of 31°C (88°F). There’s a decrease in both total precipitation at 64 mm (2.5 in) over 10 days and humidity, which rises to 82%. For a detailed look at summer weather, check out Willingen weather in August.

September and October present a noticeable transition in weather conditions. September boasts a warmer range with temperatures reaching up to 31°C (88°F) and an average of 14°C (57°F), accompanied by a lower humidity level of 82%. In contrast, October sees cooler temperatures, with a maximum of 24°C (76°F) and an average of 10°C (50°F), while the minimum dips to -1°C (31°F). Additionally, October experiences more precipitation, averaging 84 mm (3.3 in) over 15 days compared to September's 64 mm (2.5 in) over 10 days. For more detailed insights, you can check out Willingen weather in October.

September and November exhibit quite different weather characteristics. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 31°C (88°F), with an average of 14°C (57°F), promoting a warm end to the summer. Meanwhile, November sees a notable drop in temperature, with a minimum of -5°C (23°F) and a maximum of 18°C (65°F), averaging around 5°C (41°F). Precipitation levels are similar in both months, with September recording 64 mm (2.5 in) over 10 days and November slightly lower at 61 mm (2.4 in) but spread over 12 days. Additionally, November experiences higher humidity at 90%, compared to September’s 82%. For more detailed insights, you can check Willingen weather in November.

September and December present stark contrasts in weather. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 31°C (88°F), with an average of 14°C (57°F), allowing for relatively warm days. The month experiences about 64 mm (2.5 in) of precipitation over approximately 10 days, coupled with a humidity level of 82%. In contrast, December brings much colder conditions, with temperatures ranging from a chilling -6°C (21°F) to a milder 13°C (55°F) and an average of just 3°C (37°F). With significantly increased precipitation of 136 mm (5.4 in) over 19 days and a humidity level of 92%, December weather can feel damp and frigid. For more detailed information, check out Willingen weather in December.

Compare Willingen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Willingen

September in Willingen marks a transition from the warmth of summer to the crispness of autumn. With temperatures contrasting from a warm maximum of 31°C down to a chilly 2°C, it's a month that embraces both the lingering heat and the early signs of fall. The average temperature settles at a mild 14°C, providing a comfortable backdrop for outdoor activities. However, September also brings increased humidity at 82% and 64 mm of precipitation over 10 days, hinting at the wetter weather to come. For those looking to understand more about this dynamic month, check out Willingen Climate for a detailed overview.