September Weather in Wuppertal, Germany

Last updated: February 26, 2025

In Wuppertal, Germany, September brings a delightful transition marked by temperatures ranging from a refreshing 2°C (36°F) to a maximum of 32°C (89°F), with an average of 15°C (59°F) that invites outdoor exploration. This month experiences 79 mm (3.1 inches) of rainfall spread across 12 days, contributing to a lush and vibrant landscape. The humidity levels sit at a comfortable 81%, creating a pleasantly crisp atmosphere, perfect for enjoying the city's natural beauty and rich cultural offerings. Whether you're strolling through picturesque parks or indulging in local cuisine, September in Wuppertal promises a memorable experience.

September Temperature in Wuppertal

As September rolls into Wuppertal, the warmth of summer gradually gives way to the crispness of fall. The average temperature settles around 15°C (59°F), showcasing a pleasant transition for outdoor activities. With minimums dipping to 2°C (36°F), evenings can feel brisk, while daytime highs can still reach a comfortable 32°C (89°F), allowing for those final warm-weather outings. This month clearly symbolizes a blend of lingering summer vibes and early autumn coolness, making it an ideal time to enjoy the city's scenic parks and vibrant cultural scene before winter's chill sets in.

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

The chart illustrates September temperature patterns in Wuppertal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373943495665656658524339
Data source: Temperature data for Wuppertal 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 Wuppertal

In September, Wuppertal experiences a moderate shift in precipitation, with 79 mm (3.1 in) of rainfall over 12 days. This month marks a transition from the wetter summer months, particularly July, which typically sees the highest rainfall of 115 mm (4.5 in). September's precipitation, while still significant, indicates a gradual drying trend as the region moves into autumn. Interestingly, this month aligns closely with June and August in terms of precipitation volume, suggesting a consistent pattern of early autumn weather that remains dynamic yet stable. As the days begin to shorten, the intermittent rain fosters a lush landscape, reflecting Wuppertal's characteristic blend of urban charm and natural beauty.

September Precipitation Trends in Wuppertal

The chart displays monthly precipitation patterns in Wuppertal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec97100102468778115927911571133
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wuppertal

September in Wuppertal, Germany marks a noticeable shift in humidity levels, with the average rising to 81% after a drier summer. As the city transitions from the warm embrace of July and August, which recorded the lowest levels of humidity at 72% and 71% respectively, September's increase signals the onset of fall. This gradual uptick aligns with the seasonal trend, where humidity begins to ascend once more, reaching 88% by October, as the air cools and prepares for the winter months ahead. The overall monthly average reflects a cycle of humidity that fluctuates significantly, emphasizing the city's characteristic dampness, particularly during the colder months when levels soar back to the peak of 92% in December.

September Average Humidity in Wuppertal

This chart illustrates the average monthly humidity levels in Wuppertal, 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%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wuppertal

In September, Wuppertal experiences a moderate UV Index of 5, requiring cautious sun exposure with a burn time of around 30 minutes. This marks a shift from the high levels seen in the summer months of July and August, where the UV became very high, prompting quicker precautions. As the autumn season approaches, the UV Index begins to decline, but it remains essential to stay aware of sun safety. Those enjoying outdoor activities in September should still consider protective measures, as the sun can still be strong during this transitional period. For more insights into UV levels throughout the year, check out the detailed information on Wuppertal UV Index.

Maximum UV Index Levels in Wuppertal for September

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

As summer gently fades into autumn, September in Wuppertal, Germany, blesses its residents with a generous 312 hours of sunshine. This bright month marks a transition from the sun-soaked heights of July and August, which enjoy over 400 hours, to the more subdued days of October with its 227 hours. The trend reveals that early autumn retains a warm glow, providing a delightful buffer before the winter months set in. The total sunshine hours in September stand as a testament to the region’s vibrant seasonal changes, striking a beautiful balance between lingering summer warmth and the cool embrace of fall.

Monthly Sunshine Duration in Wuppertal: September Highlighted

The September sunshine duration represents the total number of hours Wuppertal 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.
JanFebMarAprMayJunJulAugSepOctNovDec106h199h260h338h385h384h404h377h312h227h175h120h
Data source: Wuppertal September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wuppertal During September

In Wuppertal, Germany, September ushers in a promising shift towards sunnier days, showcasing a 35% chance of sunshine—a modest uptick from the summer months. While August holds steady at 32%, the slight increase in September's sunlight potential hints at a welcoming transition into autumn. This month stands out in comparison to the earlier spring months, where chances hover around the mid-30s. Although September does not boast the highest probability of sunshine, it's a welcome relief from the gloomy winter months ahead, which plummet to a mere 21% by November and 13% in December. As the days begin to shorten, the brief return of sun-drenched weather invites residents and visitors alike to relish those warm, vibrant September afternoons while they last.

Percentage of Sunny Days in September in Wuppertal

The chart illustrates the percentage of sunny days in Wuppertal 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 Wuppertal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%30%39%36%27%30%30%32%35%27%21%13%
Data source: Wuppertal September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wuppertal in September

As summer ebbs away in September, Wuppertal, Germany, experiences a gentle tapering of daylight, with about 12 hours illuminating the skies. This month marks a noticeable shift from the 16 hours enjoyed in the height of summer, reflecting the gradual transition into autumn. Following the vibrant 15 hours of daylight in May and June, September showcases a blend of lingering warmth and the first hints of upcoming seasonal change. As daylight diminishes, with October expected to bring only 10 hours, the rhythm of natural light serves as a reminder of the impending darker months, creating a soothing yet poignant atmosphere that invites introspection and appreciation of the fleeting days.

Average Daylight Hours in Wuppertal for September

The chart illustrates the variation in daylight duration in Wuppertal 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 55m13h 53m15h 36m16h 30m16h 1m14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Wuppertal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Wuppertal

As September arrives in Wuppertal, Germany, the wind begins to whisper a gentler tune, with an average speed of 2.7 m/s (6 mph). This marks a notable dip from the livelier gusts of earlier months, such as May and June, where winds picked up to 4.0 m/s (9 mph) and 2.7 m/s (6 mph) respectively. This transition into autumn is mirrored by the wind patterns observed from summer; July and August also experienced lower wind speeds, hinting at a seasonal calmness that softens the air. As the city prepares for the cooler days ahead, September's breezes invite a reflective pause before the winds strengthen again in October, promising a dynamic change as we head deeper into fall.

Average September Wind Speed in Wuppertal

The chart displays monthly wind speed patterns in Wuppertal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.23.73.24.02.72.93.22.7 m/s4.33.23.9
Data source: Wuppertal September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Wuppertal Compares to Other Months

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

In comparing the weather between September and January, one can see a significant shift in temperatures and conditions. September experiences a broader temperature range, with minimums of 2°C (36°F) and maximums reaching up to 32°C (89°F), averaging around 15°C (59°F). This month also sees relatively moderate humidity at 81% and 79 mm of precipitation over 12 days. In contrast, January is marked by much colder temperatures, with lows plunging to -10°C (15°F) and highs only reaching 14°C (57°F), resulting in an average of just 3°C (37°F). Additionally, January has higher humidity at 91%, accompanied by increased precipitation of 97 mm over 15 days. For a deeper dive into January weather specifics, check out Wuppertal weather in January.

September and February weather present a stark contrast in temperature and precipitation. September enjoys a warm spectrum where temperatures can soar up to 32°C (89°F), with an average of 15°C (59°F), while February experiences much colder conditions with a maximum of only 19°C (67°F) and an average of 4°C (39°F). Though September has slightly less rainfall at 79 mm (3.1 in) over 12 days, February sees higher precipitation at 100 mm (3.9 in) across 13 days, contributing to a notably humid winter atmosphere with a humidity level of 90%, compared to September's 81%. For more detailed information, you can check out Wuppertal weather in February.

September and March present quite different weather patterns. In September, temperatures range from a cool 2°C (36°F) to a warm 32°C (89°F), with an average of 15°C (59°F). The month experiences around 79 mm of precipitation over approximately 12 days, resulting in a humidity level of 81%. Conversely, March is significantly colder, with temperatures ranging from a brisk -10°C (15°F) to a mild 22°C (71°F) and an average temperature of 6°C (44°F). This month sees even more precipitation at 102 mm spread over about 15 days, contributing to a higher humidity level of 87%. For more details, you can check out Wuppertal weather in March.

When comparing the weather in September and April, we find notable differences in temperature and precipitation. September typically offers warmer conditions with an average temperature of 15°C (59°F), ranging from a chilly 2°C (36°F) at night to a warm 32°C (89°F) during the day. In contrast, April’s average is cooler at 10°C (49°F), with nighttime lows dipping to -4°C (26°F) and maximum temperatures reaching 27°C (81°F). Additionally, September experiences more precipitation, with 79 mm (3.1 in) over 12 days, compared to April's 46 mm (1.8 in) across 10 days. Humidity levels are relatively similar, with September at 81% and April slightly higher at 84%. For a more detailed look at April's weather, check out Wuppertal weather in April.

September and May both experience a range of temperatures, with both months peaking at a maximum of 32°C (89°F). However, September tends to be slightly warmer overall, with an average temperature of 15°C (59°F) compared to May's 13°C (56°F). Precipitation levels are comparable, with September receiving 79 mm (3.1 in) over 12 days, while May sees slightly more rainfall at 87 mm (3.4 in) across 14 days. Humidity levels are also relatively close, with September at 81% and May at 77%. To explore more about May weather, check out Wuppertal weather in May.

In comparing the weather between September and June, we notice a varied climate experience. September tends to have a wider range of temperatures, starting with a cooler minimum of 2°C (36°F) and reaching an average of 15°C (59°F), while June features a milder minimum of 7°C (44°F) and a higher average of 18°C (65°F). Both months receive similar amounts of precipitation, with September totaling 79 mm (3.1 in) over 12 days and June slightly less at 78 mm (3.1 in) also over 12 days. However, September has a higher average humidity at 81%, compared to June's 74%, making the latter feel a bit drier. For more details on the June weather specifics, you can check Wuppertal weather in June.

When comparing the weather in September to that of July, we notice some significant differences. September experiences a wider temperature range, with minimums dropping to 2°C (36°F) and maximums reaching up to 32°C (89°F), leading to an average of 15°C (59°F). In contrast, July has milder minimum temperatures at 8°C (46°F) and can soar to a maximum of 37°C (100°F), averaging at 19°C (66°F). Precipitation levels are also noteworthy; September sees 79 mm (3.1 in) of rain over 12 days, while July records higher rainfall at 115 mm (4.5 in) across 14 days. Additionally, September has a higher humidity level at 81%, compared to July's 72%. For more detailed weather information about Wuppertal in July, visit Wuppertal weather in July.

In comparing the weather of September and August, September experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 15°C (59°F), whereas August has a higher minimum of 7°C (45°F) and an average of 19°C (66°F). The maximum temperatures are also slightly lower in September, reaching 32°C (89°F), compared to August's peak of 36°C (96°F). Precipitation is somewhat similar, with September receiving 79 mm (3.1 in) over 12 days, while August recorded 92 mm (3.6 in) across 17 days. Additionally, humidity is higher in September at 81%, compared to 71% in August. For more detailed insights, you can check Wuppertal weather in August.

In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (89°F), with an average of 15°C (59°F). This month sees a total precipitation of 79 mm (3.1 in) over approximately 12 days, accompanied by a humidity level of 81%.

In contrast, October brings cooler conditions, with temperatures dipping to a minimum of 0°C (33°F) and peaking at 25°C (78°F), resulting in an average of 11°C (53°F). Precipitation increases to 115 mm (4.5 in) across about 16 days, while humidity rises slightly to 88%.

For more details on the October weather patterns, you can visit Wuppertal weather in October.

In September, the weather is generally warmer, with temperatures ranging from a chilly 2°C (36°F) at night to a pleasant 32°C (89°F) during the day, resulting in an average of 15°C (59°F). The month experiences 79 mm (3.1 in) of precipitation over approximately 12 days, coupled with a humidity level of 81%. In contrast, November brings much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 19°C (66°F), leading to an average temperature of 6°C (44°F). Although November sees slightly less rainfall—71 mm (2.8 in) spread over 13 days—the humidity increases to 91%. For a detailed look at weather conditions in November, visit Wuppertal weather in November.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 32°C (89°F) and an average of 15°C (59°F). The month experiences about 79 mm (3.1 in) of precipitation over approximately 12 days, accompanied by relatively high humidity at 81%.

In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -5°C (23°F) and an average of 4°C (40°F), peaking at only 14°C (57°F). This month also sees increased precipitation, totaling 133 mm (5.2 in) over 21 days, and even higher humidity at 92%. For a more detailed look at December weather in Wuppertal, you can visit Wuppertal weather in December.

Compare Wuppertal's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Wuppertal

As September unfolds in Wuppertal, it marks a transition from the warmth of summer to the cooler embrace of autumn. With temperatures swinging from a maximum of 32°C to a minimum of 2°C, the month reveals significant variability that distinguishes it from the consistently warmer summer months. September also brings more precipitation, with about 12 rainy days, contributing to a humidity level of 81% that can make the air feel quite damp. This blend of warmth and moisture not only sets the stage for a beautiful change in foliage but also creates a refreshing atmosphere. To discover more about how September weather compares with other months, be sure to check out Wuppertal Climate.