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September Weather in Grub, Germany

Last updated: August 23, 2025

In Grub, Germany, the average temperature in September hovers around 13°C (56°F), making it a mild yet refreshing time to visit. You might experience temperatures ranging from a chilly 0°C (33°F) to a warm 29°C (84°F). Be prepared for about 60 mm (2.3 in) of precipitation over 11 days, and don't forget that average humidity is quite high at 85%, adding a unique touch to the atmosphere.

September Temperature in Grub

In September in Grub, the average temperature is 13°C (56°F). Maximum temperatures can reach 29°C (84°F), and the minimum can drop as low as 0°C (33°F). Be prepared for a mix of mild days and chilly nights when traveling to Grub this month.

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

The chart illustrates September temperature patterns in Grub, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grub, September typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (84°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec313439465463646456483934
Data source: Temperature data for Grub 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 Grub

In Grub in September, the precipitation amount is 60 mm (2.3 in) spread over a total of 11 days.

September Precipitation Trends in Grub

The chart displays monthly precipitation patterns in Grub, 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 Grub, September typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec716276378785708760614592
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grub

In Grub in September humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.

September Average Humidity in Grub

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

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

Maximum UV Index Levels in Grub for September

The chart shows the monthly maximum UV Index (UVI) for Grub 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 Grub typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Grub 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 Grub Compares to Other Months

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

This table compares monthly weather conditions in Grub, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)71 mm (2.8 inches)91%low
February Weather1°C (34°F)62 mm (2.4 inches)89%moderate
March Weather4°C (39°F)76 mm (3.0 inches)88%moderate
April Weather8°C (47°F)37 mm (1.4 inches)84%high
May Weather12°C (54°F)87 mm (3.4 inches)77%very high
June Weather17°C (64°F)85 mm (3.4 inches)82%very high
July Weather18°C (64°F)70 mm (2.7 inches)83%very high
August Weather18°C (65°F)87 mm (3.4 inches)84%high
September Weather13°C (56°F)60 mm (2.3 inches)85%high
October Weather9°C (48°F)61 mm (2.4 inches)88%moderate
November Weather4°C (39°F)45 mm (1.8 inches)88%low
December Weather1°C (34°F)92 mm (3.6 inches)91%low

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