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September Weather in Gerolstein, Germany

Last updated: August 23, 2025

In September, the average temperature in Gerolstein, Germany is a mild 14°C (57°F). Expect minimums plunging to 2°C (36°F) and highs reaching a warm 31°C (87°F). With an average humidity of 81%, prepare for a damp environment as precipitation can total 58 mm (2.3 in) over 9 days. Enjoy the unique weather vibes of this charming location!

September Temperature in Gerolstein

In September in Gerolstein, the average temperature is 14°C (57°F). The maximum can reach 31°C (87°F), while the minimum can drop as low as 2°C (36°F). This varied climate makes Gerolstein a versatile destination for travelers, offering both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Gerolstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gerolstein, September typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec343741475463646457504137
Data source: Temperature data for Gerolstein 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 Gerolstein

In Gerolstein in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Gerolstein

The chart displays monthly precipitation patterns in Gerolstein, 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 Gerolstein, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6866774076807971586354103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gerolstein

In Gerolstein in September, humidity is 81%. With an average temperature of 14°C (57°F), this humidity feels like a warm, dense blanket that clings to your skin, making outdoor exploration a bit heavier and more tiring.

September Average Humidity in Gerolstein

This chart illustrates the average monthly humidity levels in Gerolstein, 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 Gerolstein 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 Gerolstein

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

Maximum UV Index Levels in Gerolstein for September

The chart shows the monthly maximum UV Index (UVI) for Gerolstein 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 Gerolstein typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234589876421
Data source: Gerolstein 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 Gerolstein Compares to Other Months

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

This table compares monthly weather conditions in Gerolstein, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)68 mm (2.7 inches)91%low
February Weather3°C (37°F)66 mm (2.6 inches)90%moderate
March Weather5°C (41°F)77 mm (3.0 inches)87%moderate
April Weather8°C (48°F)40 mm (1.6 inches)84%moderate
May Weather12°C (54°F)76 mm (3.0 inches)77%very high
June Weather17°C (63°F)80 mm (3.1 inches)74%very high
July Weather18°C (64°F)79 mm (3.1 inches)72%very high
August Weather18°C (64°F)71 mm (2.8 inches)71%high
September Weather14°C (57°F)58 mm (2.3 inches)81%high
October Weather10°C (50°F)63 mm (2.5 inches)88%moderate
November Weather5°C (41°F)54 mm (2.1 inches)91%low
December Weather3°C (38°F)103 mm (4.0 inches)92%low

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