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September Weather in Sankt Leonhard, Austria

Last updated: August 22, 2025

In September, the average temperature in Sankt Leonhard, Austria hovers around 13°C (56°F). Expect a range from a chilly -2°C (28°F) at night to a pleasant 27°C (81°F) during the day. Precipitation is notable, with 156 mm (6.2 in) falling over 15 days, and the average humidity sits at a comfortable 74%.

September Temperature in Sankt Leonhard

In September in Sankt Leonhard, the average temperature is 13°C (56°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -2°C (28°F). Travelers should be prepared for a wide range of weather conditions, from warm days to chilly nights.

September Weather in Sankt Leonhard: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sankt Leonhard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sankt Leonhard, September typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (81°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec283337465363636355483831
Data source: Temperature data for Sankt Leonhard 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 Sankt Leonhard

In Sankt Leonhard in September, the precipitation amount is 156 mm (6.2 in) over a span of 15 days.

September Precipitation Trends in Sankt Leonhard

The chart displays monthly precipitation patterns in Sankt Leonhard, 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 Sankt Leonhard, September typically receives around 156 mm (6.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec13511212510321618623020815614086165
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sankt Leonhard

In Sankt Leonhard in September humidity is 74%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, especially for travelers unaccustomed to such conditions.

September Average Humidity in Sankt Leonhard

This chart illustrates the average monthly humidity levels in Sankt Leonhard, 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 Sankt Leonhard is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%82%79%74%75%74%69%74%88%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sankt Leonhard

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

Maximum UV Index Levels in Sankt Leonhard for September

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

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

This table compares monthly weather conditions in Sankt Leonhard, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)135 mm (5.3 inches)91%low
February Weather0°C (33°F)112 mm (4.4 inches)87%moderate
March Weather3°C (38°F)125 mm (4.9 inches)82%high
April Weather8°C (46°F)103 mm (4.0 inches)79%high
May Weather11°C (53°F)216 mm (8.5 inches)74%very high
June Weather17°C (63°F)186 mm (7.3 inches)75%very high
July Weather17°C (63°F)230 mm (9.1 inches)74%very high
August Weather17°C (64°F)208 mm (8.2 inches)68%very high
September Weather13°C (56°F)156 mm (6.2 inches)74%high
October Weather9°C (48°F)140 mm (5.5 inches)88%moderate
November Weather3°C (39°F)86 mm (3.4 inches)90%moderate
December Weather0°C (31°F)165 mm (6.5 inches)89%low

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