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September Weather in Insel, Germany

Last updated: August 23, 2025

In September, the average temperature in Insel, Germany is a comfortable 15°C (60°F), with a minimum that can dip to 3°C (38°F) and a maximum reaching 32°C (90°F). Expect about 52 mm (2.1 in) of precipitation over 7 days, accompanied by an average humidity of 82%. Prepare for a mix of mild days and refreshing evenings!

September Temperature in Insel

In September in Insel, the average temperature is 15°C (60°F). Maximums can reach 32°C (90°F), while minimums can drop as low as 3°C (38°F). This variation in temperature makes it essential to pack both light clothing for warmth and a jacket for cooler evenings when traveling.

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

The chart illustrates September temperature patterns in Insel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Insel, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec373842495767676760534439
Data source: Temperature data for Insel 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 Insel

In Insel in September, the precipitation amount is 52 mm (2.1 in) over the course of 7 days.

September Precipitation Trends in Insel

The chart displays monthly precipitation patterns in Insel, 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 Insel, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec514855335359875752604556
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Insel

In Insel 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 Insel

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

In Insel 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 Insel.

Maximum UV Index Levels in Insel for September

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

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

This table compares monthly weather conditions in Insel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)51 mm (2.0 inches)91%low
February Weather3°C (38°F)48 mm (1.9 inches)89%low
March Weather5°C (42°F)55 mm (2.2 inches)87%moderate
April Weather9°C (49°F)33 mm (1.3 inches)83%moderate
May Weather14°C (57°F)53 mm (2.1 inches)78%high
June Weather19°C (67°F)59 mm (2.3 inches)77%very high
July Weather19°C (67°F)87 mm (3.4 inches)77%high
August Weather20°C (68°F)57 mm (2.2 inches)75%high
September Weather15°C (60°F)52 mm (2.1 inches)82%moderate
October Weather11°C (53°F)60 mm (2.3 inches)86%moderate
November Weather6°C (44°F)45 mm (1.8 inches)89%low
December Weather4°C (39°F)56 mm (2.2 inches)92%low

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