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September Weather in Mandern, Germany

Last updated: August 23, 2025

In September, the average temperature in Mandern, Germany is a mild 15°C (59°F), with minimums dipping to 3°C (39°F) and peaks reaching a warm 31°C (89°F). Expect approximately 70 mm (2.8 in) of rainfall spread over 10 days, contributing to a notably high average humidity of 83%.

September Temperature in Mandern

In September in Mandern, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (89°F), while the minimum can drop to as low as 3°C (39°F). Be prepared for a range of temperatures when traveling to Mandern during this time.

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

The chart illustrates September temperature patterns in Mandern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mandern, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943495665666659514239
Data source: Temperature data for Mandern 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 Mandern

In Mandern in September, the precipitation amount is 70 mm (2.8 in) over a period of 10 days.

September Precipitation Trends in Mandern

The chart displays monthly precipitation patterns in Mandern, 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 Mandern, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec87911034686807163708279154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mandern

In Mandern in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.

September Average Humidity in Mandern

This chart illustrates the average monthly humidity levels in Mandern, 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 Mandern is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mandern

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

Maximum UV Index Levels in Mandern for September

The chart shows the monthly maximum UV Index (UVI) for Mandern 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 Mandern typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Mandern 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 Mandern Compares to Other Months

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

This table compares monthly weather conditions in Mandern, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)87 mm (3.4 inches)91%low
February Weather4°C (39°F)91 mm (3.6 inches)90%moderate
March Weather6°C (43°F)103 mm (4.0 inches)88%moderate
April Weather10°C (50°F)46 mm (1.8 inches)84%high
May Weather13°C (56°F)86 mm (3.4 inches)81%very high
June Weather18°C (65°F)80 mm (3.1 inches)82%very high
July Weather19°C (67°F)71 mm (2.8 inches)82%very high
August Weather19°C (66°F)63 mm (2.5 inches)80%high
September Weather15°C (59°F)70 mm (2.8 inches)83%high
October Weather11°C (51°F)82 mm (3.2 inches)89%moderate
November Weather5°C (42°F)79 mm (3.1 inches)91%low
December Weather4°C (39°F)154 mm (6.1 inches)93%low

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