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September Weather in Sommerland, Germany

Last updated: August 23, 2025

In September, the average temperature in Sommerland, Germany is a pleasant 15°C (59°F). However, temperatures can vary significantly, with a minimum of 2°C (36°F) and a maximum of 30°C (86°F). Expect about 57 mm (2.2 in) of rain spread over 11 days during this month, contributing to an average humidity of 81%.

September Temperature in Sommerland

In September in Sommerland, the average temperature is 15°C (59°F). The maximum can reach 30°C (86°F), while the minimum can be as low as 2°C (36°F). This makes it essential for travelers to pack for a range of weather conditions, from warm days to chillier evenings.

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

The chart illustrates September temperature patterns in Sommerland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sommerland, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec383841475564646558534440
Data source: Temperature data for Sommerland 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 Sommerland

In Sommerland in September, the precipitation amount is 57 mm (2.2 in) spread over 11 days.

September Precipitation Trends in Sommerland

The chart displays monthly precipitation patterns in Sommerland, 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 Sommerland, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec666168447768857357915573
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sommerland

In Sommerland 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 Sommerland

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

In Sommerland 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 Sommerland.

Maximum UV Index Levels in Sommerland for September

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

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

This table compares monthly weather conditions in Sommerland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)66 mm (2.6 inches)91%low
February Weather3°C (38°F)61 mm (2.4 inches)89%low
March Weather5°C (42°F)67 mm (2.7 inches)87%moderate
April Weather8°C (48°F)44 mm (1.7 inches)82%moderate
May Weather13°C (55°F)77 mm (3.0 inches)73%high
June Weather18°C (64°F)68 mm (2.7 inches)66%very high
July Weather18°C (64°F)85 mm (3.3 inches)66%high
August Weather18°C (65°F)73 mm (2.9 inches)67%high
September Weather15°C (59°F)57 mm (2.2 inches)81%moderate
October Weather11°C (53°F)91 mm (3.6 inches)86%moderate
November Weather7°C (44°F)55 mm (2.2 inches)90%low
December Weather4°C (40°F)73 mm (2.9 inches)90%low

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