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September Weather in Bosau, Germany

Last updated: August 23, 2025

In September, the average temperature in Bosau, Germany sits comfortably at 15°C (58°F), making it a pleasant time to explore. Expect a minimum dip to 4°C (39°F) and a warm maximum of 29°C (85°F). During this month, you'll encounter about 52 mm (2.0 in) of precipitation spread over 9 days, with humidity levels hovering around 82%. Perfect for enjoying the local sights—just prepare for a few rainy moments!

September Temperature in Bosau

In September in Bosau, the average temperature is 15°C (58°F). The maximum can reach 29°C (85°F), while the minimum can drop to as low as 4°C (39°F). This varied climate makes Bosau an ideal destination for travelers seeking both warmth and cooler temperatures during their visit.

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

The chart illustrates September temperature patterns in Bosau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bosau, September typically has an average temperature of 15°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec373740465463646558524439
Data source: Temperature data for Bosau 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 Bosau

In Bosau in September, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

September Precipitation Trends in Bosau

The chart displays monthly precipitation patterns in Bosau, 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 Bosau, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec585365436762827452754564
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bosau

In Bosau in September humidity is 82%. With an average temperature of 15°C (58°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor exploration a bit uncomfortable and causing you to sweat lightly even during mild activities.

September Average Humidity in Bosau

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

In Bosau 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 Bosau.

Maximum UV Index Levels in Bosau for September

The chart shows the monthly maximum UV Index (UVI) for Bosau 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 Bosau typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Bosau 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 Bosau Compares to Other Months

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

This table compares monthly weather conditions in Bosau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)58 mm (2.3 inches)91%low
February Weather3°C (38°F)53 mm (2.1 inches)89%low
March Weather5°C (41°F)64 mm (2.5 inches)87%moderate
April Weather8°C (47°F)43 mm (1.7 inches)83%moderate
May Weather12°C (54°F)67 mm (2.6 inches)78%high
June Weather17°C (64°F)62 mm (2.4 inches)77%very high
July Weather18°C (64°F)82 mm (3.2 inches)77%high
August Weather18°C (65°F)74 mm (2.9 inches)75%high
September Weather15°C (58°F)52 mm (2.0 inches)82%moderate
October Weather11°C (52°F)75 mm (3.0 inches)86%moderate
November Weather7°C (44°F)45 mm (1.8 inches)89%low
December Weather4°C (39°F)64 mm (2.5 inches)92%low

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