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September Weather in Lassan, Germany

Last updated: August 23, 2025

In Lassan, Germany, the average temperature in September is a comfortable 15°C (60°F), with extremes ranging from a cool 5°C (41°F) to a warm 31°C (87°F). Expect about 59 mm (2.3 in) of precipitation over 10 days, contributing to an average humidity of 82%. Prepare for a blend of mild weather and occasional rain!

September Temperature in Lassan

In September in Lassan, the average temperature is 15°C (60°F). Maximums can reach 31°C (87°F), and minimums can be as low as 5°C (41°F). This makes Lassan a comfortable destination for travelers seeking a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Lassan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lassan, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (87°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec363740465564666660534438
Data source: Temperature data for Lassan 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 Lassan

In Lassan in September, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

September Precipitation Trends in Lassan

The chart displays monthly precipitation patterns in Lassan, 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 Lassan, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec554453384752876459745353
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lassan

In Lassan in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

September Average Humidity in Lassan

This chart illustrates the average monthly humidity levels in Lassan, 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 Lassan is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%88%82%74%75%74%71%82%86%89%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lassan

In Lassan 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 Lassan.

Maximum UV Index Levels in Lassan for September

The chart shows the monthly maximum UV Index (UVI) for Lassan 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 Lassan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568765311
Data source: Lassan 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 Lassan Compares to Other Months

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

This table compares monthly weather conditions in Lassan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)55 mm (2.2 inches)91%low
February Weather3°C (37°F)44 mm (1.7 inches)90%low
March Weather4°C (40°F)53 mm (2.1 inches)88%moderate
April Weather8°C (47°F)38 mm (1.5 inches)82%moderate
May Weather13°C (55°F)47 mm (1.8 inches)74%high
June Weather18°C (65°F)51 mm (2.0 inches)75%very high
July Weather19°C (66°F)87 mm (3.4 inches)74%high
August Weather19°C (67°F)64 mm (2.5 inches)71%high
September Weather15°C (60°F)59 mm (2.3 inches)82%moderate
October Weather11°C (53°F)73 mm (2.9 inches)86%moderate
November Weather7°C (45°F)53 mm (2.1 inches)89%low
December Weather3°C (38°F)53 mm (2.1 inches)93%low

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