September Weather in Willingen, Germany

Last updated: February 26, 2025

In Willingen, Germany, September showcases a delightful transition into autumn, with temperatures ranging from a maximum of 28°C (83°F) during sunny days to a refreshing minimum of 0°C (31°F) at night. The average temperature settles at a cool 13°C (56°F), perfect for outdoor adventures amid the vibrant changing foliage. However, brace for a fair share of rain, as the region experiences approximately 70 mm (2.7 in) of precipitation over 12 days, creating a lush, green landscape. With humidity levels hovering around 82%, September in Willingen promises a refreshing yet occasionally damp experience, ideal for nature lovers and those seeking the beauty of early autumn.

September Temperature in Willingen

In September, Willingen, Germany, experiences a gentle transition from the warmth of summer to the coolness of autumn. With minimum temperatures hovering around 0°C (31°F) and an average of 13°C (56°F), the early signs of fall become apparent, yet daytime highs can still reach a comfortable 28°C (83°F). This month stands out as a time of declining heat but offers mild and pleasant days that invite outdoor adventures amidst the changing foliage. As summer fades, the landscape transforms, making September an enchanting month to explore Willingen's natural beauty.

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.
JanFebMarAprMayJunJulAugSepOctNovDec333540465362626355494136
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, experiences a noticeable shift in precipitation patterns as summer bids farewell. With an average rainfall of 70 mm (2.7 in) over 12 days, the month marks a decline from the high of 112 mm (4.4 in) in August, suggesting a gradual transition to drier conditions. This trend of decreasing rainfall from the summer peak continues into the fall months, hinting at the upcoming drier and cooler days. The relatively mild precipitation of September, combined with the declining number of rainy days, makes it a perfect time for outdoor activities before the onset of the more overcast months ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec868191551008910811270835599
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 summer fades into autumn, September in Willingen, Germany brings a noticeable shift in the UV Index, dropping to 5 with a moderate exposure category. This indicates that while the sun is still strong enough to pose a risk, it's less intense than the blazing heights of July and June, both sharply peaking at 8. With a recommended burn time of 30 minutes, outdoor enthusiasts can enjoy the crisp early autumn air without excessive concern, provided they take sensible precautions against UV exposure. This trend highlights the transition towards cooler months, as October follows closely with a UV Index of 4. For more details on UV levels throughout the year, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
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 autumn begins to settle in Willingen, Germany, September shines brightly with an impressive 306 hours of sunshine, making it one of the sunniest months of the year. Following a peak in July with 399 hours, the sunny days gradually taper off as fall approaches, yet September still captures the essence of late summer's warmth. The steady decline from 371 hours in August to September’s 306 hours hints at the transition to cooler months, while the year’s earlier months, from January’s mere 86 hours to April’s 337, showcase a significant climb in daylight. This trend highlights the region’s delightful shift from winter's gloom to a vibrant, sunny autumn, inviting residents and visitors alike to revel in outdoor activities before the clouds gather for winter.

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.
JanFebMarAprMayJunJulAugSepOctNovDec86h184h244h337h377h380h399h371h306h213h150h93h
Data source: Willingen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Willingen During September

In September, Willingen, Germany, experiences a notable increase in the likelihood of sunny weather, with a chance of sunshine rising to 35%. This marks a welcome shift from the summer months, where the probability hovers around 26% to 27%. As summer transitions into autumn, the changing season brings a refreshing crispness to the air while still offering opportunities for sun-drenched days. The gradual rise in sunshine probability compared to earlier months suggests that September can be an ideal time for outdoor activities, inviting visitors to enjoy the stunning landscapes of Willingen before the colder months set in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec9%27%37%32%27%26%27%27%35%22%15%13%
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 fades into autumn, September in Willingen, Germany, brings a gentle decline in daylight hours, with the sun gracing the sky for about 12 hours each day. This noteworthy shift follows the height of summer, where June and July bask in a glorious 16 hours of light. As nature prepares for the approaching chill of fall, the daylight gradually reduces, mirroring a soothing transition from the vibrant energy of summer to the cozy embrace of autumn. With August tapering off to 14 hours and September stepping in with a modest yet comfortable 12 hours, the landscape transforms, inviting locals and visitors alike to enjoy the stunning fall foliage under the softening light.

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 25m9h 59m11h 54m13h 53m15h 36m16h 30m16h 2m14h 29m12h 34m10h 37m8h 51m7h 55m
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 air takes on a gentle tranquility, marked by an average wind speed of 2.5 m/s (about 6 mph). This notably lower breeze invites a shift from the more dynamic winds of the preceding summer months, setting the stage for a serene transition into autumn. While spring and summer enjoy a brisker pace, with speeds reaching up to 3.8 m/s in May, September embodies a calm reprieve, echoing the seasonal change. This lull is short-lived, however, as October beckons with renewed vigor, promising a return to livelier gusts at 4.1 m/s. Thus, September’s soft whispers of wind serve not only as a soothing prelude to the briskness of fall but also as a reminder of nature's rhythmic cycles.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.83.53.23.82.52.83.12.5 m/s4.13.13.8
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.

When comparing the weather in September and January, we see a stark contrast. September typically experiences milder temperatures, with a minimum of 0°C (31°F) and an average of 13°C (56°F), peaking at a warm 28°C (83°F). In addition to more comfortable temperatures, it has a lower humidity level of 82% and about 70 mm (2.7 in) of precipitation over 12 days. In contrast, January is much colder, with temperatures dropping to a minimum of -17°C (1°F) and averaging just 1°C (33°F). The maximum temperature reaches only 12°C (54°F), while humidity rises to a chilly 92%, and precipitation increases slightly to 86 mm (3.4 in) spread over 14 days. For those interested in a detailed look at January weather, check out Willingen weather in January.

September and February present starkly different weather profiles. In September, temperatures range from a minimum of 0°C (31°F) to a pleasant average of 13°C (56°F), peaking at around 28°C (83°F). The month experiences moderate precipitation of 70 mm (2.7 in) over about 12 days, accompanied by a humidity level of 82%. In contrast, February is characterized by much colder conditions, with temperatures dipping to a chilling minimum of -17°C (1°F) and averaging just 2°C (35°F), while the maximum reaches 17°C (64°F). This month sees slightly higher precipitation at 81 mm (3.2 in) across 13 days, along with increased humidity at 90%. For more specific details about February weather, you can refer to Willingen weather in February.

September and March present contrasting weather conditions. In September, temperatures range from a chilly 0°C (31°F) at their lowest to a warm 28°C (83°F) at their peak, with an average of 13°C (56°F). The month sees around 70 mm (2.7 in) of precipitation over approximately 12 days, and humidity averages 82%. In contrast, March experiences colder temperatures, with a minimum of -15°C (6°F), an average of 4°C (40°F), and a maximum of 21°C (69°F). This month also has higher precipitation levels at 91 mm (3.6 in) spread over 17 days, alongside a slightly higher humidity of 87%. For more detailed information, you can check Willingen weather in March.

When comparing the weather in September and April, September typically presents milder conditions, with average temperatures ranging from a minimum of 0°C (31°F) to a maximum of 28°C (83°F), while April experiences cooler temperatures, with a minimum of -10°C (15°F) and a maximum of 25°C (77°F). In terms of precipitation, September has slightly heavier rainfall at 70 mm (2.7 in) over about 12 days, compared to April’s 55 mm (2.1 in) over 11 days. Both months exhibit similar humidity levels, with September at 82% and April at 83%. For more detailed insights into April's weather, you can visit Willingen weather in April.

September and May showcase some notable differences in weather patterns. In September, temperatures range from a minimum of 0°C (31°F) to a maximum of 28°C (83°F), with an average of 13°C (56°F). The month experiences around 70 mm (2.7 in) of precipitation over 12 days and humidity levels are relatively high at 82%. In contrast, May offers slightly cooler nighttime temperatures with a minimum of -2°C (28°F) and daytime highs reaching 29°C (85°F), while the average stands at 11°C (53°F). May sees more rainfall overall, totaling 100 mm (3.9 in) over 14 days, but with lower humidity at 76%. For more details, check out Willingen weather in May.

When comparing the weather in September and June, notable differences emerge. September typically experiences a temperature range from a chilly 0°C (31°F) to a warm 28°C (83°F), with an average of 13°C (56°F). In contrast, June offers milder conditions, with temperatures fluctuating between a minimum of 4°C (40°F) and a maximum of 31°C (87°F), averaging 17°C (62°F). Both months see significant rainfall, with September receiving about 70 mm (2.7 in) over 12 days, while June has slightly higher precipitation at 89 mm (3.5 in) over 14 days. Additionally, September exhibits higher humidity levels at 82% compared to June's 74%. For more detailed insights, you can explore Willingen weather in June.

In comparing the weather of September and July, it's clear that July tends to be warmer and more humid. July boasts an average temperature of 17°C (63°F) with maximums reaching up to 35°C (95°F), while September's average temperature drops to 13°C (56°F) with maximums of 28°C (83°F). Additionally, July experiences higher precipitation levels at 108 mm (4.2 in) over 14 days, compared to September's 70 mm (2.7 in) over 12 days. Humidity is also slightly higher in September at 82%, compared to July's 74%. For a more detailed look at July weather in Willingen, you can visit Willingen weather in July.

In comparing the weather of September and August, it is evident that September experiences cooler temperatures overall, with a minimum of 0°C (31°F) and an average of 13°C (56°F), compared to August's milder minimum of 6°C (43°F) and average of 17°C (63°F). August also boasts higher maximum temperatures, peaking at 32°C (90°F), while September reaches a maximum of 28°C (83°F). Precipitation is more frequent in August, with 112 mm (4.4 in) falling over 17 days, in contrast to September's 70 mm (2.7 in) over 12 days. Interestingly, September has a higher humidity level at 82%, compared to August's 75%. For a more detailed overview of August weather, you can check Willingen weather in August.

In September, temperatures range from a minimum of 0°C (31°F) to a maximum of 28°C (83°F), with an average temperature of 13°C (56°F). The month sees around 70 mm (2.7 in) of precipitation over 12 days, with humidity levels at 82%. In contrast, October experiences slightly cooler temperatures, with a minimum of -1°C (30°F), an average of 10°C (50°F), and a maximum of 23°C (74°F). Precipitation increases to 83 mm (3.3 in) spread across 16 days, and humidity rises to 88%. For more insights into October weather specifics, check out Willingen weather in October.

In comparing the weather of September and November, September tends to be warmer with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 28°C (83°F) and an average of 13°C (56°F). In contrast, November sees cooler temperatures, dipping as low as -4°C (25°F) with an average of 5°C (41°F) and a maximum of 18°C (64°F). While September experiences 70 mm (2.7 in) of precipitation over 12 days, November has slightly less rainfall at 55 mm (2.1 in), yet maintains a higher humidity level of 90% compared to September's 82%. For more detailed insights, you can refer to Willingen weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a chilly 0°C (31°F) at night to a warm 28°C (83°F) during the day, with an average of 13°C (56°F). This month typically sees around 70 mm (2.7 in) of precipitation, falling over about 12 days, and humidity levels are quite high at 82%. In contrast, December experiences colder temperatures, with a minimum of -7°C (20°F), an average of just 2°C (37°F), and a maximum of 12°C (55°F). Precipitation increases to 99 mm (3.9 in), spread across approximately 18 days, while humidity rises to 92%. For more specific information about December weather, you can visit Willingen weather in December.

Compare Willingen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Willingen

As September rolls in, Willingen experiences a delightful transition from summer's warmth to the crispness of autumn. This month features a comfortable average temperature that invites outdoor exploration, albeit with the occasional rainy day, leading to a somewhat humid atmosphere. Unlike the hotter summer months, the cooler evenings remind us of the changing seasons, while the increased precipitation prepares the landscape for the vibrant colors of fall. For those planning to visit, understanding September's unique weather nuances is essential for a delightful experience. To learn more about what to expect throughout the year, check out Willingen Climate.