September Weather in Diefenbach, Germany

Last updated: August 23, 2025

In Diefenbach, Germany, the average temperature during September hovers around 14°C (57°F), with temperatures ranging from a chilly 3°C (37°F) to a warm 30°C (86°F). Expect about 56 mm (2.2 in) of precipitation spread over 9 days, contributing to an average humidity level of 83%. This delightful mix of weather creates a unique atmosphere that’s perfect for exploration!

September Temperature in Diefenbach

In September in Diefenbach, the average temperature is 14°C (57°F). The maximum can reach up to 30°C (86°F), while the minimum can dip as low as 3°C (37°F). This makes Diefenbach an ideal destination for travelers looking to experience a mild climate with pleasant daytime warmth and cooler evenings.

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

The chart illustrates September temperature patterns in Diefenbach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Diefenbach, September typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343741485463646457504137
Data source: Temperature data for Diefenbach 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 Diefenbach

In Diefenbach in September, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

September Precipitation Trends in Diefenbach

The chart displays monthly precipitation patterns in Diefenbach, 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 Diefenbach, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6868824375817064576459109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Diefenbach

In Diefenbach in September, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.

September Average Humidity in Diefenbach

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

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

Maximum UV Index Levels in Diefenbach for September

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

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

This table compares monthly weather conditions in Diefenbach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)68 mm (2.7 inches)91%low
February Weather3°C (37°F)68 mm (2.7 inches)90%moderate
March Weather5°C (42°F)82 mm (3.2 inches)88%moderate
April Weather9°C (48°F)43 mm (1.7 inches)84%high
May Weather12°C (54°F)75 mm (3.0 inches)81%very high
June Weather17°C (63°F)81 mm (3.2 inches)82%very high
July Weather18°C (65°F)70 mm (2.7 inches)82%very high
August Weather18°C (64°F)64 mm (2.5 inches)80%high
September Weather14°C (57°F)56 mm (2.2 inches)83%high
October Weather10°C (50°F)64 mm (2.5 inches)89%moderate
November Weather5°C (41°F)59 mm (2.3 inches)91%low
December Weather3°C (38°F)109 mm (4.3 inches)93%low

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