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September Weather in Lonnerstadt, Germany

Last updated: August 23, 2025

In September, the average temperature in Lonnerstadt, Germany is a pleasant 15°C (59°F). Expect a minimum of 1°C (34°F) and a maximum of 30°C (86°F). Rainfall is moderately frequent, with an average precipitation amount of 57 mm (2.2 in) spread over about 9 days. Additionally, the air is quite humid, boasting an average humidity of 85%.

September Temperature in Lonnerstadt

In September in Lonnerstadt, the average temperature is 15°C (59°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 1°C (34°F). Make sure to pack layers to enjoy a comfortable and versatile trip!

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

The chart illustrates September temperature patterns in Lonnerstadt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lonnerstadt, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec343741495666676759514137
Data source: Temperature data for Lonnerstadt 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 Lonnerstadt

In Lonnerstadt in September, the total precipitation amount is 57 mm (2.2 in) over the course of 9 days.

September Precipitation Trends in Lonnerstadt

The chart displays monthly precipitation patterns in Lonnerstadt, 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 Lonnerstadt, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec685872369189847357654798
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lonnerstadt

In Lonnerstadt in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

September Average Humidity in Lonnerstadt

This chart illustrates the average monthly humidity levels in Lonnerstadt, 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 Lonnerstadt is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%84%77%82%83%84%85%88%88%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lonnerstadt

In Lonnerstadt in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Lonnerstadt, you can refer to this Hourly UV Index in Lonnerstadt.

Maximum UV Index Levels in Lonnerstadt for September

The chart shows the monthly maximum UV Index (UVI) for Lonnerstadt 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 Lonnerstadt typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Lonnerstadt 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 Lonnerstadt Compares to Other Months

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

This table compares monthly weather conditions in Lonnerstadt, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)68 mm (2.7 inches)91%low
February Weather3°C (37°F)58 mm (2.3 inches)89%moderate
March Weather5°C (42°F)71 mm (2.8 inches)88%moderate
April Weather9°C (49°F)36 mm (1.4 inches)84%high
May Weather13°C (56°F)91 mm (3.6 inches)77%very high
June Weather19°C (66°F)89 mm (3.5 inches)82%very high
July Weather19°C (67°F)84 mm (3.3 inches)83%very high
August Weather19°C (67°F)73 mm (2.9 inches)84%high
September Weather15°C (59°F)57 mm (2.2 inches)85%high
October Weather10°C (51°F)65 mm (2.5 inches)88%moderate
November Weather5°C (41°F)47 mm (1.8 inches)88%low
December Weather3°C (37°F)98 mm (3.8 inches)91%low

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