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September Weather in Unterluess, Germany

Last updated: August 23, 2025

In Unterluess, Germany, the average temperature in September is a comfortable 15°C (59°F). Expect a range from a chilly 1°C (34°F) to a warm 31°C (89°F). Rainfall is moderate with 62 mm (2.4 in) expected over 11 days, and the average humidity sits at a high 82%, creating a lush and vibrant atmosphere.

September Temperature in Unterluess

In September in Unterluess the average temperature is 15°C (59°F). Maximum can reach 31°C (89°F) and minimum can be as low as 1°C (34°F). Be prepared for a wide range of temperatures during your trip, from warm days to potentially cool nights.

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

The chart illustrates September temperature patterns in Unterluess, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unterluess, 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 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec373742485666666659524339
Data source: Temperature data for Unterluess 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 Unterluess

In Unterluess in September, the precipitation amount is 62 mm (2.4 in) spread over 11 days.

September Precipitation Trends in Unterluess

The chart displays monthly precipitation patterns in Unterluess, 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 Unterluess, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec606070437074867062744870
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Unterluess

In Unterluess in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in Unterluess

This chart illustrates the average monthly humidity levels in Unterluess, 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 Unterluess is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%83%78%77%77%75%82%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Unterluess

In Unterluess 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 Unterluess.

Maximum UV Index Levels in Unterluess for September

The chart shows the monthly maximum UV Index (UVI) for Unterluess 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 Unterluess typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578775321
Data source: Unterluess 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 Unterluess Compares to Other Months

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

This table compares monthly weather conditions in Unterluess, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)60 mm (2.4 inches)91%low
February Weather3°C (38°F)60 mm (2.4 inches)89%low
March Weather5°C (42°F)70 mm (2.7 inches)87%moderate
April Weather9°C (49°F)43 mm (1.7 inches)83%moderate
May Weather13°C (56°F)70 mm (2.7 inches)78%high
June Weather19°C (66°F)74 mm (2.9 inches)77%very high
July Weather19°C (66°F)86 mm (3.4 inches)77%high
August Weather19°C (67°F)70 mm (2.8 inches)75%high
September Weather15°C (59°F)62 mm (2.4 inches)82%moderate
October Weather11°C (53°F)74 mm (2.9 inches)86%moderate
November Weather6°C (44°F)48 mm (1.9 inches)89%low
December Weather4°C (39°F)70 mm (2.8 inches)92%low

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