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September Weather in Herborn, Germany

Last updated: August 23, 2025

In September, the average temperature in Herborn, Germany hovers around 14°C (58°F). However, you can expect fluctuations, with minimums dipping to 3°C (37°F) and maximums soaring to 30°C (86°F). This month also brings about 54 mm (2.1 in) of rainfall spread over approximately 8 days, contributing to an average humidity level of 83%. Be prepared for a mix of cool and warm days!

September Temperature in Herborn

In September in Herborn, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as 3°C (37°F). Be prepared for a range of temperatures when traveling during this time!

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

The chart illustrates September temperature patterns in Herborn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herborn, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec353842485564656558504138
Data source: Temperature data for Herborn 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 Herborn

In Herborn in September, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

September Precipitation Trends in Herborn

The chart displays monthly precipitation patterns in Herborn, 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 Herborn, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec6770814276826459546461111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Herborn

In Herborn in September, humidity is 83%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket enveloping you, making exploration feel heavier and sweatier, so be prepared for a slower pace while traveling.

September Average Humidity in Herborn

This chart illustrates the average monthly humidity levels in Herborn, 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 Herborn is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Herborn

In Herborn 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 Herborn, you can refer to this Hourly UV Index in Herborn.

Maximum UV Index Levels in Herborn for September

The chart shows the monthly maximum UV Index (UVI) for Herborn 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 Herborn typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Herborn 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 Herborn Compares to Other Months

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

This table compares monthly weather conditions in Herborn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)66 mm (2.6 inches)91%low
February Weather3°C (38°F)70 mm (2.8 inches)90%moderate
March Weather5°C (42°F)81 mm (3.2 inches)88%moderate
April Weather9°C (49°F)42 mm (1.7 inches)84%high
May Weather13°C (55°F)75 mm (3.0 inches)81%very high
June Weather18°C (64°F)82 mm (3.2 inches)82%very high
July Weather18°C (66°F)64 mm (2.5 inches)82%very high
August Weather18°C (65°F)59 mm (2.3 inches)80%high
September Weather14°C (58°F)54 mm (2.1 inches)83%high
October Weather10°C (51°F)64 mm (2.5 inches)89%moderate
November Weather5°C (41°F)60 mm (2.4 inches)91%low
December Weather3°C (38°F)110 mm (4.3 inches)93%low

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