nomadseason

September Weather in Theiss, Austria

Last updated: August 22, 2025

In September, the average temperature in Theiss, Austria hovers around 16°C (60°F), with temperatures varying from a chilly 1°C (34°F) to a warm 31°C (88°F). Expect about 72 mm (2.9 in) of precipitation spread across 10 days, contributing to an average humidity of 75%.

September Temperature in Theiss

In September in Theiss, the average temperature is 16°C (60°F). Maximums can reach 31°C (88°F), and minimums can be as low as 1°C (34°F). Be prepared for a range of weather conditions and pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Theiss, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Theiss, September typically has an average temperature of 16°C (60°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec333741505768697060514136
Data source: Temperature data for Theiss generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Theiss

In Theiss in September, the total precipitation amount is 72 mm (2.9 in) over a span of 10 days.

September Precipitation Trends in Theiss

The chart displays monthly precipitation patterns in Theiss, 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 Theiss, September typically receives around 72 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec333135388476868073434251
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Theiss

In Theiss in September humidity is 75%. With an average temperature of 16°C (60°F), this humidity feels like a warm, muggy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration breaks while traveling.

September Average Humidity in Theiss

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

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

Maximum UV Index Levels in Theiss for September

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

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

This table compares monthly weather conditions in Theiss, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)33 mm (1.3 inches)90%low
February Weather3°C (37°F)31 mm (1.2 inches)87%moderate
March Weather5°C (42°F)35 mm (1.4 inches)85%moderate
April Weather10°C (50°F)38 mm (1.5 inches)78%high
May Weather14°C (58°F)84 mm (3.3 inches)73%very high
June Weather20°C (68°F)76 mm (3.0 inches)77%very high
July Weather21°C (69°F)86 mm (3.4 inches)76%very high
August Weather21°C (70°F)80 mm (3.2 inches)76%high
September Weather16°C (60°F)72 mm (2.9 inches)75%high
October Weather11°C (52°F)43 mm (1.7 inches)85%moderate
November Weather5°C (42°F)42 mm (1.6 inches)90%low
December Weather2°C (36°F)51 mm (2.0 inches)91%low

Compare Theiss's Climate with Cities Worldwide