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September Weather in Aigen, Austria

Last updated: August 22, 2025

In Aigen, Austria, the average temperature in September is a mild 13°C (55°F). However, temperatures can fluctuate significantly, with minimums dipping to -2°C (29°F) and maximums soaring to 27°C (81°F). Expect a fair amount of moisture, with precipitation totaling 156 mm (6.1 in) over approximately 16 days. The region maintains a relatively high humidity level of 74%, contributing to its unique climate.

September Temperature in Aigen

In September in Aigen, the average temperature is 13°C (55°F). The maximum can reach 27°C (81°F), while the minimum can be as low as -2°C (29°F). This variety in temperatures means travelers should pack for both warm days and cool nights.

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

The chart illustrates September temperature patterns in Aigen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aigen, September typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (81°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec283236455262636355483831
Data source: Temperature data for Aigen 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 Aigen

In Aigen in September, the precipitation amount is 156 mm (6.1 in) spread over 16 days.

September Precipitation Trends in Aigen

The chart displays monthly precipitation patterns in Aigen, 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 Aigen, September typically receives around 156 mm (6.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1411121259920817921519015614086168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aigen

In Aigen in September, humidity is 74%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and demanding frequent breaks in shaded areas.

September Average Humidity in Aigen

This chart illustrates the average monthly humidity levels in Aigen, 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 Aigen 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 Aigen

In Aigen 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 Aigen.

Maximum UV Index Levels in Aigen for September

The chart shows the monthly maximum UV Index (UVI) for Aigen 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 Aigen typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789987432
Data source: Aigen 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 Aigen Compares to Other Months

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

This table compares monthly weather conditions in Aigen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)141 mm (5.5 inches)91%low
February Weather0°C (32°F)112 mm (4.4 inches)87%moderate
March Weather2°C (37°F)125 mm (4.9 inches)82%high
April Weather7°C (45°F)99 mm (3.9 inches)79%high
May Weather11°C (52°F)208 mm (8.2 inches)74%very high
June Weather17°C (62°F)179 mm (7.0 inches)75%very high
July Weather17°C (63°F)215 mm (8.5 inches)74%very high
August Weather17°C (63°F)190 mm (7.5 inches)68%very high
September Weather13°C (55°F)156 mm (6.1 inches)74%high
October Weather9°C (48°F)140 mm (5.5 inches)88%moderate
November Weather3°C (38°F)86 mm (3.4 inches)90%moderate
December Weather-1°C (31°F)168 mm (6.6 inches)89%low

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