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September Weather in Zwettl Stadt, Austria

Last updated: August 22, 2025

In Zwettl Stadt, Austria, the average temperature in September hovers around 14°C (57°F). Daily fluctuations can be significant, with minimums dipping to 1°C (34°F) and maximums peaking at 27°C (82°F). Expect about 87 mm (3.4 in) of precipitation over approximately 13 days, yet the air remains quite humid at 75%. Prepare for a varied climate as you enjoy your time in this vibrant destination!

September Temperature in Zwettl Stadt

In September in Zwettl Stadt, the average temperature is 14°C (57°F). Maximum temperatures can reach 27°C (82°F), while minimums can drop as low as 1°C (34°F). This variation makes it essential for travelers to prepare for both warm and chilly conditions while exploring the area.

September Weather in Zwettl Stadt: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Zwettl Stadt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zwettl Stadt, September typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (82°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec303438475464656657493933
Data source: Temperature data for Zwettl Stadt 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 Zwettl Stadt

In Zwettl Stadt in September, the precipitation amount is 87 mm (3.4 in) spread over 13 days.

September Precipitation Trends in Zwettl Stadt

The chart displays monthly precipitation patterns in Zwettl Stadt, 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 Zwettl Stadt, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4841485111311714212387544662
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zwettl Stadt

In Zwettl Stadt in September, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

September Average Humidity in Zwettl Stadt

This chart illustrates the average monthly humidity levels in Zwettl Stadt, 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 Zwettl Stadt 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 Zwettl Stadt

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

Maximum UV Index Levels in Zwettl Stadt for September

The chart shows the monthly maximum UV Index (UVI) for Zwettl Stadt 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 Zwettl Stadt typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689886421
Data source: Zwettl Stadt 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 Zwettl Stadt Compares to Other Months

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

This table compares monthly weather conditions in Zwettl Stadt, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)48 mm (1.9 inches)90%low
February Weather1°C (34°F)41 mm (1.6 inches)87%moderate
March Weather4°C (39°F)48 mm (1.9 inches)85%moderate
April Weather8°C (47°F)51 mm (2.0 inches)78%high
May Weather12°C (54°F)113 mm (4.4 inches)73%very high
June Weather18°C (64°F)117 mm (4.6 inches)77%very high
July Weather18°C (65°F)142 mm (5.6 inches)76%very high
August Weather19°C (66°F)123 mm (4.8 inches)76%very high
September Weather14°C (57°F)87 mm (3.4 inches)75%high
October Weather9°C (49°F)54 mm (2.1 inches)85%moderate
November Weather4°C (39°F)46 mm (1.8 inches)90%low
December Weather0°C (33°F)62 mm (2.4 inches)91%low

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