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September Weather in Untergrossau, Austria

Last updated: August 22, 2025

In September, the average temperature in Untergrossau, Austria hovers around 16°C (61°F). Expect a minimum of 1°C (34°F) and a comfortable maximum of 31°C (88°F). Throughout the month, you may encounter 94 mm (3.7 in) of precipitation over 11 days, with an average humidity level of 65%. Stay prepared for a mix of weather!

September Temperature in Untergrossau

In September in Untergrossau, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 1°C (34°F). Be prepared for a wide range of temperatures to make the most of your travel experience.

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

The chart illustrates September temperature patterns in Untergrossau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Untergrossau, 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 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec323843515969707061524335
Data source: Temperature data for Untergrossau 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 Untergrossau

In Untergrossau in September, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

September Precipitation Trends in Untergrossau

The chart displays monthly precipitation patterns in Untergrossau, 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 Untergrossau, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec243433489974778794436951
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Untergrossau

In Untergrossau in September, humidity is 65%. With an average temperature of 16°C (61°F), this humidity feels like a gentle warmth enveloping you, making it ideal for exploring the sights without overwhelming discomfort.

September Average Humidity in Untergrossau

This chart illustrates the average monthly humidity levels in Untergrossau, 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 Untergrossau is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Untergrossau

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

Maximum UV Index Levels in Untergrossau for September

The chart shows the monthly maximum UV Index (UVI) for Untergrossau 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 Untergrossau typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Untergrossau 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 Untergrossau Compares to Other Months

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

This table compares monthly weather conditions in Untergrossau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)23 mm (0.9 inches)90%low
February Weather3°C (38°F)34 mm (1.3 inches)84%moderate
March Weather6°C (43°F)33 mm (1.3 inches)78%moderate
April Weather11°C (52°F)48 mm (1.9 inches)73%high
May Weather15°C (59°F)99 mm (3.9 inches)71%very high
June Weather20°C (69°F)74 mm (2.9 inches)73%very high
July Weather21°C (71°F)77 mm (3.0 inches)70%very high
August Weather21°C (71°F)87 mm (3.4 inches)60%very high
September Weather16°C (61°F)94 mm (3.7 inches)65%high
October Weather11°C (52°F)43 mm (1.7 inches)84%moderate
November Weather6°C (43°F)69 mm (2.7 inches)89%moderate
December Weather1°C (35°F)51 mm (2.0 inches)89%low

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