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September Weather in Geroldsgrun, Germany

Last updated: August 23, 2025

In September, the average temperature in Geroldsgrun, Germany hovers around 13°C (57°F). Expect a minimum of 1°C (34°F) and a maximum of 29°C (85°F), offering a delightful range for outdoor activities. With an average precipitation amount of 59 mm (2.3 in) spread over 11 days, you might want to keep that umbrella handy! Additionally, the humidity levels are typically around 83%, adding a touch of warmth to the air.

September Temperature in Geroldsgrun

In September in Geroldsgrun, the average temperature is 13°C (57°F). The maximum can reach 29°C (85°F) and the minimum can be as low as 1°C (34°F). This range makes it an ideal time to pack layers and enjoy a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Geroldsgrun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geroldsgrun, September typically has an average temperature of 13°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec313338465363646456483934
Data source: Temperature data for Geroldsgrun 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 Geroldsgrun

In Geroldsgrun in September, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.

September Precipitation Trends in Geroldsgrun

The chart displays monthly precipitation patterns in Geroldsgrun, 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 Geroldsgrun, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8068844195877589596851101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Geroldsgrun

In Geroldsgrun in September humidity is 83%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities slightly uncomfortable and requiring a light jacket.

September Average Humidity in Geroldsgrun

This chart illustrates the average monthly humidity levels in Geroldsgrun, 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 Geroldsgrun is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%88%83%75%79%79%79%83%87%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Geroldsgrun

In Geroldsgrun 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 Geroldsgrun, you can refer to this Hourly UV Index in Geroldsgrun.

Maximum UV Index Levels in Geroldsgrun for September

The chart shows the monthly maximum UV Index (UVI) for Geroldsgrun 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 Geroldsgrun typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224688876421
Data source: Geroldsgrun 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 Geroldsgrun Compares to Other Months

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

This table compares monthly weather conditions in Geroldsgrun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)80 mm (3.1 inches)91%low
February Weather1°C (34°F)68 mm (2.7 inches)90%low
March Weather3°C (38°F)84 mm (3.3 inches)88%moderate
April Weather8°C (46°F)41 mm (1.6 inches)83%high
May Weather12°C (54°F)95 mm (3.7 inches)75%very high
June Weather17°C (63°F)87 mm (3.4 inches)79%very high
July Weather18°C (64°F)75 mm (2.9 inches)79%very high
August Weather18°C (65°F)89 mm (3.5 inches)79%high
September Weather13°C (57°F)59 mm (2.3 inches)83%high
October Weather9°C (49°F)68 mm (2.7 inches)87%moderate
November Weather4°C (39°F)51 mm (2.0 inches)90%low
December Weather1°C (34°F)100 mm (4.0 inches)92%low

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