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September Weather in Flein, Germany

Last updated: August 23, 2025

In September, the average temperature in Flein, Germany is a comfortable 15°C (60°F). However, you can expect a range from a chilly 3°C (38°F) to a warm 30°C (87°F). During this time, the region experiences about 49 mm (1.9 in) of precipitation over 9 days, accompanied by an average humidity of 85%, creating a lush and vibrant atmosphere.

September Temperature in Flein

In September in Flein, the average temperature is 15°C (60°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as 3°C (38°F). It's a great time to visit Flein, as you can enjoy mild weather during the day and cooler evenings.

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

The chart illustrates September temperature patterns in Flein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flein, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943505767686860524238
Data source: Temperature data for Flein 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 Flein

In Flein in September, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Flein

The chart displays monthly precipitation patterns in Flein, 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 Flein, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7670773883887170497452115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Flein

In Flein in September, humidity is 85%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable for travelers who may find themselves constantly seeking shade and hydration.

September Average Humidity in Flein

This chart illustrates the average monthly humidity levels in Flein, 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 Flein is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Flein

In Flein in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Flein, you can refer to this Hourly UV Index in Flein.

Maximum UV Index Levels in Flein for September

The chart shows the monthly maximum UV Index (UVI) for Flein 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 Flein typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Flein 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 Flein Compares to Other Months

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

This table compares monthly weather conditions in Flein, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)76 mm (3.0 inches)91%low
February Weather4°C (39°F)70 mm (2.8 inches)89%moderate
March Weather6°C (44°F)77 mm (3.0 inches)87%moderate
April Weather10°C (51°F)38 mm (1.5 inches)83%high
May Weather14°C (57°F)83 mm (3.3 inches)79%very high
June Weather19°C (67°F)88 mm (3.5 inches)82%very high
July Weather20°C (68°F)71 mm (2.8 inches)83%very high
August Weather20°C (68°F)70 mm (2.8 inches)84%high
September Weather15°C (60°F)49 mm (1.9 inches)85%high
October Weather11°C (52°F)74 mm (2.9 inches)88%moderate
November Weather5°C (42°F)52 mm (2.1 inches)89%low
December Weather3°C (38°F)115 mm (4.5 inches)91%low

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