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September Weather in Grossostheim, Germany

Last updated: August 23, 2025

In September, the average temperature in Grossostheim, Germany hovers around 16°C (61°F). Expect temperature fluctuations, with a minimum of 3°C (38°F) and a maximum reaching up to 32°C (90°F). Be prepared for some rain as 48 mm (1.9 in) of precipitation is likely over 7 days, accompanied by an average humidity of 85%.

September Temperature in Grossostheim

In September in Grossostheim, the average temperature is 16°C (61°F). Maximum temperatures can reach as high as 32°C (90°F), while minimums can drop to a chilly 3°C (38°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates September temperature patterns in Grossostheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grossostheim, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943505767686860524339
Data source: Temperature data for Grossostheim 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 Grossostheim

In Grossostheim in September, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

September Precipitation Trends in Grossostheim

The chart displays monthly precipitation patterns in Grossostheim, 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 Grossostheim, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec7364843978806658486654112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grossostheim

In Grossostheim in September, humidity is 85%. With an average temperature of 16°C (61°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel sticky and the air heavy, which can be challenging for traveling and exploring the area comfortably.

September Average Humidity in Grossostheim

This chart illustrates the average monthly humidity levels in Grossostheim, 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 Grossostheim is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grossostheim

In Grossostheim 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 Grossostheim.

Maximum UV Index Levels in Grossostheim for September

The chart shows the monthly maximum UV Index (UVI) for Grossostheim 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 Grossostheim typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234588875421
Data source: Grossostheim 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 Grossostheim Compares to Other Months

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

This table compares monthly weather conditions in Grossostheim, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)72 mm (2.9 inches)91%low
February Weather4°C (39°F)64 mm (2.5 inches)89%moderate
March Weather6°C (44°F)83 mm (3.3 inches)87%moderate
April Weather10°C (51°F)39 mm (1.5 inches)83%moderate
May Weather14°C (57°F)78 mm (3.1 inches)79%very high
June Weather19°C (67°F)80 mm (3.1 inches)82%very high
July Weather20°C (68°F)66 mm (2.6 inches)83%very high
August Weather20°C (69°F)58 mm (2.3 inches)84%high
September Weather16°C (61°F)48 mm (1.9 inches)85%moderate
October Weather11°C (52°F)66 mm (2.6 inches)88%moderate
November Weather6°C (43°F)54 mm (2.1 inches)89%low
December Weather4°C (39°F)112 mm (4.4 inches)91%low

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