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September Weather in New Vienna, United States

Last updated: June 24, 2025

In September, the average temperature in New Vienna, United States hovers around 21°C (70°F), with minimums dipping to 6°C (43°F) and maximums soaring up to 34°C (94°F). Expect 92 mm (3.6 in) of precipitation over about 8 days, contributing to an average humidity of 73%. Be prepared for a mix of warmth and occasional rain!

September Temperature in New Vienna

In September in New Vienna, the average temperature is 21°C (70°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 6°C (43°F). This varied climate makes it an ideal destination for travelers looking to experience a mix of warm days and cooler evenings.

September Weather in New Vienna: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in New Vienna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Vienna, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644536572767469584337
Data source: Temperature data for New Vienna 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 New Vienna

In New Vienna in September, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

September Precipitation Trends in New Vienna

The chart displays monthly precipitation patterns in New Vienna, 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 New Vienna, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec83112139131134136124859210099115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Vienna

In New Vienna in September, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in New Vienna

This chart illustrates the average monthly humidity levels in New Vienna, 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 New Vienna is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Vienna

In New Vienna in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in New Vienna.

Maximum UV Index Levels in New Vienna for September

The chart shows the monthly maximum UV Index (UVI) for New Vienna 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 New Vienna typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: New Vienna 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 New Vienna Compares to Other Months

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

This table compares monthly weather conditions in New Vienna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)83 mm (3.3 inches)88%moderate
February Weather2°C (36°F)112 mm (4.4 inches)88%moderate
March Weather7°C (44°F)139 mm (5.5 inches)87%high
April Weather12°C (53°F)131 mm (5.2 inches)85%very high
May Weather18°C (65°F)134 mm (5.3 inches)81%very high
June Weather22°C (72°F)136 mm (5.4 inches)82%very high
July Weather24°C (76°F)124 mm (4.9 inches)81%very high
August Weather23°C (74°F)85 mm (3.3 inches)73%very high
September Weather21°C (70°F)92 mm (3.6 inches)73%very high
October Weather15°C (59°F)100 mm (4.0 inches)78%high
November Weather6°C (43°F)99 mm (3.9 inches)89%moderate
December Weather3°C (38°F)115 mm (4.5 inches)87%moderate

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