nomadseason

September Weather in Sankt Poelten, Austria

Last updated: August 22, 2025

In September, the average temperature in Sankt Poelten, Austria is a mild 16°C (61°F). Expect minimums dipping to 1°C (35°F) and maximums soaring to 31°C (89°F). The region receives about 74 mm (2.9 in) of precipitation over 9 days, with an average humidity level of 75%.

September Temperature in Sankt Poelten

In September, in Sankt Poelten, the average temperature is 16°C (61°F), with maximums reaching 31°C (89°F) and minimums dipping as low as 1°C (35°F). This makes Sankt Poelten a great destination for travelers who appreciate mild weather and are prepared for occasional extremes.

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

The chart illustrates September temperature patterns in Sankt Poelten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sankt Poelten, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (89°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec343742505768697061524236
Data source: Temperature data for Sankt Poelten 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 Sankt Poelten

In Sankt Poelten in September, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.

September Precipitation Trends in Sankt Poelten

The chart displays monthly precipitation patterns in Sankt Poelten, 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 Poelten, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec443544429068737474544661
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sankt Poelten

In Sankt Poelten in September humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

September Average Humidity in Sankt Poelten

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

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

Maximum UV Index Levels in Sankt Poelten for September

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

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

This table compares monthly weather conditions in Sankt Poelten, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)44 mm (1.7 inches)90%low
February Weather3°C (38°F)35 mm (1.4 inches)87%moderate
March Weather5°C (42°F)44 mm (1.7 inches)85%moderate
April Weather10°C (50°F)42 mm (1.7 inches)78%high
May Weather14°C (58°F)90 mm (3.5 inches)73%very high
June Weather20°C (68°F)68 mm (2.7 inches)77%very high
July Weather21°C (69°F)72 mm (2.9 inches)76%very high
August Weather21°C (70°F)74 mm (2.9 inches)76%high
September Weather16°C (61°F)74 mm (2.9 inches)75%high
October Weather11°C (52°F)54 mm (2.1 inches)85%moderate
November Weather6°C (42°F)46 mm (1.8 inches)90%low
December Weather2°C (37°F)61 mm (2.4 inches)91%low

Compare Sankt Poelten's Climate with Cities Worldwide