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September Weather in Bretten, Germany

Last updated: August 23, 2025

In Bretten, Germany, the average temperature in September hovers around 16°C (61°F), with a range that can dip to a chilly 4°C (39°F) or rise to a warm 31°C (88°F). Expect about 52 mm (2.0 in) of precipitation over 9 days, contributing to an average humidity of 85%. Embrace the varying weather while planning your adventures!

September Temperature in Bretten

In September in Bretten, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 4°C (39°F). This variation in temperature makes it ideal for travelers to pack layers for both warm and cooler days.

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

The chart illustrates September temperature patterns in Bretten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bretten, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec364044515767686861534339
Data source: Temperature data for Bretten 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 Bretten

In Bretten in September, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

September Precipitation Trends in Bretten

The chart displays monthly precipitation patterns in Bretten, 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 Bretten, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7368753987877471526952110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bretten

In Bretten in September, humidity is 85%. With an average temperature of 16°C (61°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel sticky and the air heavy, which can be challenging for traveling and exploring the area comfortably.

September Average Humidity in Bretten

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

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

Maximum UV Index Levels in Bretten for September

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

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

This table compares monthly weather conditions in Bretten, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)73 mm (2.9 inches)91%low
February Weather4°C (40°F)68 mm (2.7 inches)89%moderate
March Weather7°C (44°F)75 mm (3.0 inches)87%moderate
April Weather11°C (51°F)39 mm (1.5 inches)83%high
May Weather14°C (58°F)87 mm (3.4 inches)79%very high
June Weather19°C (67°F)87 mm (3.4 inches)82%very high
July Weather20°C (69°F)74 mm (2.9 inches)83%very high
August Weather20°C (69°F)71 mm (2.8 inches)84%high
September Weather16°C (61°F)52 mm (2.0 inches)85%high
October Weather12°C (53°F)69 mm (2.7 inches)88%moderate
November Weather6°C (43°F)52 mm (2.1 inches)89%low
December Weather4°C (39°F)110 mm (4.3 inches)91%low

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