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September Weather in Birstein, Germany

Last updated: August 23, 2025

In September, the average temperature in Birstein, Germany hovers around 15°C (59°F), with minimums dipping to 2°C (37°F) and maximums peaking at 31°C (88°F). Expect a moderate precipitation amount of 51 mm (2.0 in) spread over 9 days, contributing to the region's high humidity levels averaging 82%. Enjoy the unique blend of weather this month brings!

September Temperature in Birstein

In September in Birstein, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (88°F), while minimum temperatures can drop as low as 2°C (37°F). Be prepared for a wide range of temperatures and pack accordingly for your trip.

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

The chart illustrates September temperature patterns in Birstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Birstein, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec353742495665676759514237
Data source: Temperature data for Birstein 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 Birstein

In Birstein in September, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

September Precipitation Trends in Birstein

The chart displays monthly precipitation patterns in Birstein, 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 Birstein, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8172924482777365517259121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Birstein

In Birstein in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in Birstein

This chart illustrates the average monthly humidity levels in Birstein, 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 Birstein is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Birstein

In Birstein 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 Birstein.

Maximum UV Index Levels in Birstein for September

The chart shows the monthly maximum UV Index (UVI) for Birstein 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 Birstein typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Birstein 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 Birstein Compares to Other Months

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

This table compares monthly weather conditions in Birstein, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)81 mm (3.2 inches)92%low
February Weather3°C (37°F)72 mm (2.8 inches)90%low
March Weather6°C (42°F)92 mm (3.6 inches)87%moderate
April Weather10°C (49°F)44 mm (1.7 inches)83%moderate
May Weather13°C (56°F)82 mm (3.2 inches)76%high
June Weather19°C (66°F)77 mm (3.0 inches)74%very high
July Weather19°C (67°F)73 mm (2.9 inches)74%very high
August Weather19°C (67°F)65 mm (2.6 inches)75%high
September Weather15°C (59°F)51 mm (2.0 inches)82%moderate
October Weather11°C (51°F)72 mm (2.8 inches)88%moderate
November Weather5°C (42°F)59 mm (2.3 inches)90%low
December Weather3°C (38°F)121 mm (4.8 inches)92%low

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