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September Weather in Sankt Martin, Austria

Last updated: August 22, 2025

In September, the average temperature in Sankt Martin, Austria is a pleasant 10°C (51°F). Daily temperatures can fluctuate between a chilly -4°C (26°F) and a warm 24°C (75°F). Expect 120 mm (4.7 in) of precipitation over 14 days, accompanied by an average humidity of 74%.

September Temperature in Sankt Martin

In September in Sankt Martin, the average temperature is 10°C (51°F). Maximums can reach 24°C (75°F), and minimums can be as low as -4°C (26°F). This variation means that travelers should pack layers and be prepared for both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Sankt Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sankt Martin, September typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (75°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec222732394657585850423425
Data source: Temperature data for Sankt Martin 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 Martin

In Sankt Martin in September, the precipitation amount is 120 mm (4.7 in) over the course of 14 days.

September Precipitation Trends in Sankt Martin

The chart displays monthly precipitation patterns in Sankt Martin, 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 Martin, September typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec5562687514011913617312090114109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sankt Martin

In Sankt Martin in September humidity is 74%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable as the cold air clings to your skin, and you may find yourself wishing you had packed an extra layer to stay warm and dry.

September Average Humidity in Sankt Martin

This chart illustrates the average monthly humidity levels in Sankt Martin, 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 Martin 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 Martin

In Sankt Martin in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sankt Martin.

Maximum UV Index Levels in Sankt Martin for September

The chart shows the monthly maximum UV Index (UVI) for Sankt Martin 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 Martin typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Sankt Martin 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 Martin Compares to Other Months

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

This table compares monthly weather conditions in Sankt Martin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)55 mm (2.2 inches)91%low
February Weather-3°C (27°F)62 mm (2.4 inches)87%moderate
March Weather0°C (32°F)68 mm (2.7 inches)82%high
April Weather4°C (40°F)75 mm (2.9 inches)79%very high
May Weather8°C (47°F)140 mm (5.5 inches)74%very high
June Weather14°C (57°F)119 mm (4.7 inches)75%very high
July Weather14°C (58°F)136 mm (5.4 inches)74%very high
August Weather14°C (58°F)173 mm (6.8 inches)68%very high
September Weather10°C (51°F)120 mm (4.7 inches)74%high
October Weather6°C (43°F)90 mm (3.6 inches)88%moderate
November Weather1°C (34°F)114 mm (4.5 inches)90%moderate
December Weather-4°C (25°F)109 mm (4.3 inches)89%low

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