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September Weather in Karlstetten, Austria

Last updated: August 22, 2025

In September, the average temperature in Karlstetten, Austria hovers around 15°C (60°F). Expect a range with a minimum of 1°C (35°F) and a maximum of 31°C (87°F). During this time, 76 mm (3.0 in) of precipitation can be anticipated over about 10 days, accompanied by a comfortable average humidity of 75%.

September Temperature in Karlstetten

In September in Karlstetten, the average temperature is 15°C (60°F). Maximums can reach 31°C (87°F), while minimums can drop as low as 1°C (35°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates September temperature patterns in Karlstetten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karlstetten, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (87°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333741495667686859514136
Data source: Temperature data for Karlstetten 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 Karlstetten

In Karlstetten in September, the total precipitation amount is 76 mm (3.0 in) spread over a period of 10 days.

September Precipitation Trends in Karlstetten

The chart displays monthly precipitation patterns in Karlstetten, 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 Karlstetten, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec503848449777868476584765
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Karlstetten

In Karlstetten in September, humidity is 75%. With an average temperature of 15°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities slightly uncomfortable and requiring extra hydration while exploring the sights.

September Average Humidity in Karlstetten

This chart illustrates the average monthly humidity levels in Karlstetten, 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 Karlstetten is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%78%74%77%76%76%75%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Karlstetten

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

Maximum UV Index Levels in Karlstetten for September

The chart shows the monthly maximum UV Index (UVI) for Karlstetten 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 Karlstetten typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689876421
Data source: Karlstetten 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 Karlstetten Compares to Other Months

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

This table compares monthly weather conditions in Karlstetten, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)50 mm (2.0 inches)90%low
February Weather3°C (37°F)38 mm (1.5 inches)87%moderate
March Weather5°C (41°F)48 mm (1.9 inches)85%moderate
April Weather10°C (50°F)44 mm (1.7 inches)78%high
May Weather14°C (57°F)97 mm (3.8 inches)73%very high
June Weather19°C (67°F)77 mm (3.0 inches)77%very high
July Weather20°C (68°F)86 mm (3.4 inches)76%very high
August Weather20°C (69°F)84 mm (3.3 inches)76%high
September Weather15°C (60°F)76 mm (3.0 inches)75%high
October Weather11°C (51°F)58 mm (2.3 inches)85%moderate
November Weather5°C (41°F)47 mm (1.9 inches)90%low
December Weather2°C (36°F)65 mm (2.6 inches)91%low

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