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September Weather in Grevenbroich, Germany

Last updated: August 23, 2025

The average temperature in Grevenbroich, Germany during September is a comfortable 16°C (61°F). However, temperatures can vary significantly, with a minimum of 2°C (36°F) and a maximum of 34°C (94°F). Expect around 55 mm (2.2 in) of precipitation spread over 10 days, and prepare for an average humidity level of 81% to keep the air feeling fresh and vibrant.

September Temperature in Grevenbroich

In September, in Grevenbroich, the average temperature is 16°C (61°F). The maximum can reach 34°C (94°F), while the minimum can drop as low as 2°C (36°F). This range makes Grevenbroich a versatile destination for travelers, offering both warm and cool experiences throughout the month.

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

The chart illustrates September temperature patterns in Grevenbroich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grevenbroich, September typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec394145505766686861544541
Data source: Temperature data for Grevenbroich 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 Grevenbroich

In Grevenbroich in September, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.

September Precipitation Trends in Grevenbroich

The chart displays monthly precipitation patterns in Grevenbroich, 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 Grevenbroich, September typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec676669345860846455755694
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grevenbroich

In Grevenbroich in September, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

September Average Humidity in Grevenbroich

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

In Grevenbroich 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 Grevenbroich.

Maximum UV Index Levels in Grevenbroich for September

The chart shows the monthly maximum UV Index (UVI) for Grevenbroich 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 Grevenbroich typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Grevenbroich 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 Grevenbroich Compares to Other Months

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

This table compares monthly weather conditions in Grevenbroich, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)67 mm (2.6 inches)91%low
February Weather5°C (42°F)66 mm (2.6 inches)90%low
March Weather7°C (45°F)69 mm (2.7 inches)87%moderate
April Weather10°C (51°F)34 mm (1.3 inches)84%moderate
May Weather14°C (57°F)58 mm (2.3 inches)77%high
June Weather19°C (67°F)60 mm (2.4 inches)74%very high
July Weather20°C (68°F)84 mm (3.3 inches)72%very high
August Weather20°C (68°F)64 mm (2.5 inches)71%high
September Weather16°C (61°F)55 mm (2.2 inches)81%moderate
October Weather12°C (54°F)75 mm (2.9 inches)88%moderate
November Weather7°C (45°F)56 mm (2.2 inches)91%low
December Weather5°C (42°F)94 mm (3.7 inches)92%low

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