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September Weather in Kerpen, Germany

Last updated: August 23, 2025

In September, the average temperature in Kerpen, Germany hovers around 15°C (60°F). Temperatures can fluctuate from a chilly 2°C (35°F) to a sweltering 34°C (93°F). Expect about 53 mm (2.1 in) of precipitation spread over 9 days, contributing to an average humidity of 81%.

September Temperature in Kerpen

In September in Kerpen, the average temperature is 15°C (60°F). Maximums can reach 34°C (93°F), while minimums can drop as low as 2°C (35°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates September temperature patterns in Kerpen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kerpen, September typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec384044505665666760534441
Data source: Temperature data for Kerpen 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 Kerpen

In Kerpen in September, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

September Precipitation Trends in Kerpen

The chart displays monthly precipitation patterns in Kerpen, 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. In Kerpen, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec696671357673997753685194
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kerpen

In Kerpen in September, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

September Average Humidity in Kerpen

This chart illustrates the average monthly humidity levels in Kerpen, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Kerpen is approximately 81%, offering insight into how humid the weather typically is during this month.
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 Kerpen

In Kerpen in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Kerpen.

Maximum UV Index Levels in Kerpen for September

The chart shows the monthly maximum UV Index (UVI) for Kerpen 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. In September, the maximum UV index in Kerpen typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Kerpen 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.

How September Weather in Kerpen Compares to Other Months

Weather in Kerpen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kerpen, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Kerpen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)69 mm (2.7 inches)91%low
February Weather5°C (41°F)66 mm (2.6 inches)90%low
March Weather7°C (44°F)71 mm (2.8 inches)87%moderate
April Weather10°C (50°F)35 mm (1.4 inches)84%moderate
May Weather13°C (56°F)76 mm (3.0 inches)77%high
June Weather18°C (65°F)72 mm (2.9 inches)74%very high
July Weather19°C (67°F)99 mm (3.9 inches)72%very high
August Weather19°C (67°F)77 mm (3.0 inches)71%high
September Weather15°C (60°F)53 mm (2.1 inches)81%moderate
October Weather12°C (54°F)68 mm (2.7 inches)88%moderate
November Weather7°C (45°F)51 mm (2.0 inches)91%low
December Weather5°C (41°F)94 mm (3.7 inches)92%low

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