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September Weather in Weissach, Austria

Last updated: August 22, 2025

In September, the average temperature in Weissach, Austria is a cool 11°C (53°F), with fluctuations ranging from a low of -5°C (23°F) to a high of 25°C (77°F). Visitors should prepare for rain, as the area experiences approximately 167 mm (6.6 in) of precipitation over 18 days. With an average humidity of 83%, the atmosphere can feel quite damp.

September Temperature in Weissach

In September in Weissach, the average temperature is 11°C (53°F). The maximum can reach 25°C (77°F) and the minimum can be as low as -5°C (23°F). Visitors should be prepared for a wide range of temperatures and pack accordingly for both warmth and cooler weather.

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

The chart illustrates September temperature patterns in Weissach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Weissach, September typically has an average temperature of 11°C (53°F), with highs reaching up to 25°C (77°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec252934434959606052463628
Data source: Temperature data for Weissach 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 Weissach

In Weissach in September, the total precipitation amount is 167 mm (6.6 in) spread over 18 days.

September Precipitation Trends in Weissach

The chart displays monthly precipitation patterns in Weissach, 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 Weissach, September typically receives around 167 mm (6.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec12210111710622819722122416714493153
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Weissach

In Weissach in September, humidity is 83%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and causing an inevitable sheen of sweat to form, which can dampen the joy of exploring your surroundings.

September Average Humidity in Weissach

This chart illustrates the average monthly humidity levels in Weissach, 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 Weissach is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Weissach

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

Maximum UV Index Levels in Weissach for September

The chart shows the monthly maximum UV Index (UVI) for Weissach 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 Weissach typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789986432
Data source: Weissach 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 Weissach Compares to Other Months

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

This table compares monthly weather conditions in Weissach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)122 mm (4.8 inches)93%low
February Weather-1°C (30°F)101 mm (4.0 inches)89%moderate
March Weather1°C (34°F)117 mm (4.6 inches)86%high
April Weather6°C (43°F)106 mm (4.2 inches)83%high
May Weather10°C (49°F)228 mm (9.0 inches)78%very high
June Weather15°C (59°F)197 mm (7.7 inches)79%very high
July Weather15°C (60°F)221 mm (8.7 inches)82%very high
August Weather16°C (60°F)224 mm (8.8 inches)80%very high
September Weather11°C (53°F)167 mm (6.6 inches)83%high
October Weather8°C (46°F)144 mm (5.7 inches)90%moderate
November Weather2°C (36°F)93 mm (3.7 inches)89%moderate
December Weather-2°C (28°F)153 mm (6.0 inches)90%low

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