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September Weather in Bosel, Germany

Last updated: August 23, 2025

In Bosel, Germany, the average temperature in September hovers around 15°C (59°F). Expect varying conditions with a minimum of 5°C (40°F) and a peak temperature reaching 30°C (87°F). This month also brings about 60 mm (2.4 in) of precipitation over approximately 11 days, contributing to an average humidity of 81%. Prepare for a blend of mild temperatures and occasional rain!

September Temperature in Bosel

In September in Bosel, the average temperature is 15°C (59°F). The maximum can reach 30°C (87°F) and the minimum can be as low as 5°C (40°F). Be sure to pack layers to enjoy both warm afternoons and cooler evenings while traveling.

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

The chart illustrates September temperature patterns in Bosel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bosel, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec383943485564656559534440
Data source: Temperature data for Bosel 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 Bosel

In Bosel in September, the precipitation amount is 60 mm (2.4 in) over the course of 11 days.

September Precipitation Trends in Bosel

The chart displays monthly precipitation patterns in Bosel, 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 Bosel, September typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec636368455575867960845180
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bosel

In Bosel in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

September Average Humidity in Bosel

This chart illustrates the average monthly humidity levels in Bosel, 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 Bosel is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%73%66%66%67%81%86%90%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bosel

In Bosel 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 Bosel.

Maximum UV Index Levels in Bosel for September

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

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

This table compares monthly weather conditions in Bosel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (39°F)63 mm (2.5 inches)91%low
February Weather4°C (40°F)63 mm (2.5 inches)89%low
March Weather6°C (43°F)68 mm (2.7 inches)87%moderate
April Weather9°C (49°F)45 mm (1.8 inches)82%moderate
May Weather13°C (56°F)55 mm (2.2 inches)73%high
June Weather18°C (65°F)75 mm (3.0 inches)66%very high
July Weather18°C (65°F)86 mm (3.4 inches)66%high
August Weather19°C (66°F)79 mm (3.1 inches)67%high
September Weather15°C (59°F)60 mm (2.4 inches)81%moderate
October Weather12°C (53°F)84 mm (3.3 inches)86%moderate
November Weather7°C (45°F)51 mm (2.0 inches)90%low
December Weather5°C (41°F)80 mm (3.2 inches)90%low

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