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September Weather in Heidenreichstein, Austria

Last updated: August 22, 2025

In Heidenreichstein, Austria, the average temperature in September hovers around 14°C (57°F). During this month, temperatures can dip as low as -1°C (31°F) or soar to a maximum of 28°C (83°F). You can expect around 80 mm (3.1 in) of precipitation spread over 11 days, with humidity levels averaging a comfortable 82%.

September Temperature in Heidenreichstein

In September in Heidenreichstein, the average temperature is 14°C (57°F). The maximum can reach up to 28°C (83°F), while the minimum can dip as low as -1°C (31°F). Be prepared for a wide range of temperatures if you plan to travel during this time!

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

The chart illustrates September temperature patterns in Heidenreichstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heidenreichstein, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec303439475464656657493934
Data source: Temperature data for Heidenreichstein 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 Heidenreichstein

In Heidenreichstein in September, the precipitation amount is 80 mm (3.1 in) spread over a duration of 11 days.

September Precipitation Trends in Heidenreichstein

The chart displays monthly precipitation patterns in Heidenreichstein, 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 Heidenreichstein, September typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec464044421071001009780544860
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Heidenreichstein

In Heidenreichstein in September, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

September Average Humidity in Heidenreichstein

This chart illustrates the average monthly humidity levels in Heidenreichstein, 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 Heidenreichstein is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%76%80%80%82%82%87%89%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Heidenreichstein

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

Maximum UV Index Levels in Heidenreichstein for September

The chart shows the monthly maximum UV Index (UVI) for Heidenreichstein 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 Heidenreichstein typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Heidenreichstein 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 Heidenreichstein Compares to Other Months

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

This table compares monthly weather conditions in Heidenreichstein, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)46 mm (1.8 inches)91%low
February Weather1°C (34°F)40 mm (1.6 inches)89%moderate
March Weather4°C (39°F)44 mm (1.7 inches)87%moderate
April Weather8°C (47°F)42 mm (1.6 inches)82%high
May Weather12°C (54°F)107 mm (4.2 inches)76%very high
June Weather18°C (65°F)100 mm (3.9 inches)80%very high
July Weather18°C (65°F)99 mm (3.9 inches)80%very high
August Weather19°C (66°F)97 mm (3.8 inches)82%very high
September Weather14°C (57°F)80 mm (3.1 inches)82%high
October Weather9°C (49°F)54 mm (2.1 inches)87%moderate
November Weather4°C (39°F)48 mm (1.9 inches)89%low
December Weather1°C (34°F)60 mm (2.3 inches)92%low

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