nomadseason

September Weather in Treffelstein, Germany

Last updated: August 23, 2025

In Treffelstein, Germany, the average temperature in September hovers around 14°C (57°F). Expect a range from a chilly 0°C (32°F) to a warm 29°C (84°F). This month typically sees about 64 mm (2.5 in) of precipitation spread over 11 days, contributing to an average humidity level of 85%. Whether you're planning for a rainy day or sunny outing, make sure to prepare accordingly!

September Temperature in Treffelstein

In September in Treffelstein, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 0°C (32°F). Be prepared for a range of weather conditions while traveling during this time.

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

The chart illustrates September temperature patterns in Treffelstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Treffelstein, September typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec303439475464656557483934
Data source: Temperature data for Treffelstein generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Treffelstein

In Treffelstein in September, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

September Precipitation Trends in Treffelstein

The chart displays monthly precipitation patterns in Treffelstein, 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 Treffelstein, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec676574419781798964654794
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Treffelstein

In Treffelstein in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Treffelstein

This chart illustrates the average monthly humidity levels in Treffelstein, 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 Treffelstein is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%84%77%82%83%84%85%88%88%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Treffelstein

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

Maximum UV Index Levels in Treffelstein for September

The chart shows the monthly maximum UV Index (UVI) for Treffelstein 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 Treffelstein typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689876421
Data source: Treffelstein 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 Treffelstein Compares to Other Months

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

This table compares monthly weather conditions in Treffelstein, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)67 mm (2.6 inches)91%low
February Weather1°C (34°F)65 mm (2.5 inches)89%moderate
March Weather4°C (39°F)74 mm (2.9 inches)88%moderate
April Weather8°C (47°F)41 mm (1.6 inches)84%high
May Weather12°C (55°F)97 mm (3.8 inches)77%very high
June Weather18°C (65°F)81 mm (3.2 inches)82%very high
July Weather18°C (65°F)79 mm (3.1 inches)83%very high
August Weather18°C (65°F)89 mm (3.5 inches)84%high
September Weather14°C (57°F)64 mm (2.5 inches)85%high
October Weather9°C (49°F)65 mm (2.6 inches)88%moderate
November Weather4°C (39°F)47 mm (1.9 inches)88%low
December Weather1°C (34°F)94 mm (3.7 inches)91%low

Compare Treffelstein's Climate with Cities Worldwide