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September Weather in Weilheim, Germany

Last updated: August 23, 2025

In September, the average temperature in Weilheim, Germany hovers around 15°C (58°F), with a minimum of 1°C (34°F) and a maximum reaching up to 28°C (84°F). Be prepared for a touch of moisture, as the area experiences an average precipitation of 79 mm (3.1 in) over 12 days, contributing to an average humidity of 83%. Enjoy the varied climate while planning your activities!

September Temperature in Weilheim

In September in Weilheim, the average temperature is 15°C (58°F). Maximum temperatures can reach 28°C (84°F), while minimums can drop to as low as 1°C (34°F). This diverse range of temperatures makes Weilheim an ideal destination for travelers looking to experience both warm and cool weather.

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

The chart illustrates September temperature patterns in Weilheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Weilheim, September typically has an average temperature of 15°C (58°F), with highs reaching up to 28°C (84°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec323742495564666658504036
Data source: Temperature data for Weilheim 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 Weilheim

In Weilheim in September, the precipitation amount is 79 mm (3.1 in) over a period of 12 days.

September Precipitation Trends in Weilheim

The chart displays monthly precipitation patterns in Weilheim, 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 Weilheim, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1189510864141141104119799677155
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Weilheim

In Weilheim in September, humidity is 83%. With an average temperature of 15°C (58°F), this humidity feels like a warm blanket enveloping you, making outdoor activities sticky and uncomfortable for traveling.

September Average Humidity in Weilheim

This chart illustrates the average monthly humidity levels in Weilheim, 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 Weilheim is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Weilheim

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

Maximum UV Index Levels in Weilheim for September

The chart shows the monthly maximum UV Index (UVI) for Weilheim 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 Weilheim typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Weilheim 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 Weilheim Compares to Other Months

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

This table compares monthly weather conditions in Weilheim, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)118 mm (4.6 inches)92%low
February Weather3°C (37°F)95 mm (3.7 inches)89%moderate
March Weather5°C (42°F)108 mm (4.2 inches)87%moderate
April Weather9°C (49°F)64 mm (2.5 inches)84%high
May Weather13°C (55°F)141 mm (5.6 inches)80%very high
June Weather18°C (65°F)141 mm (5.5 inches)82%very high
July Weather19°C (67°F)104 mm (4.1 inches)83%very high
August Weather19°C (66°F)119 mm (4.7 inches)80%very high
September Weather15°C (58°F)79 mm (3.1 inches)83%high
October Weather10°C (50°F)96 mm (3.8 inches)90%moderate
November Weather4°C (40°F)77 mm (3.0 inches)88%low
December Weather2°C (36°F)155 mm (6.1 inches)90%low

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