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September Weather in Wisner, United States

Last updated: June 24, 2025

In September, the average temperature in Wisner, United States is a comfortable 20°C (68°F), with a minimum that can dip to 4°C (40°F) and a maximum soaring to 34°C (94°F). Expect 78 mm (3.1 in) of precipitation over 8 days, complemented by an average humidity of 75%. Whether you're planning an adventure or a relaxing getaway, the weather offers a little bit of everything!

September Temperature in Wisner

In September in Wisner, the average temperature is 20°C (68°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 4°C (40°F). This diverse temperature range makes Wisner an ideal destination for travelers who enjoy a mix of warm and cool weather experiences.

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

The chart illustrates September temperature patterns in Wisner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wisner, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec232339486174767368503829
Data source: Temperature data for Wisner 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 Wisner

In Wisner in September, the total precipitation amount is 78 mm (3.1 in) over the course of 8 days.

September Precipitation Trends in Wisner

The chart displays monthly precipitation patterns in Wisner, 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 Wisner, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec28268465147107649878832643
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wisner

In Wisner in September, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

September Average Humidity in Wisner

This chart illustrates the average monthly humidity levels in Wisner, 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 Wisner is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wisner

In Wisner 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 Wisner.

Maximum UV Index Levels in Wisner for September

The chart shows the monthly maximum UV Index (UVI) for Wisner 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 Wisner typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891010108642
Data source: Wisner 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 Wisner Compares to Other Months

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

This table compares monthly weather conditions in Wisner, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)28 mm (1.1 inches)76%moderate
February Weather-5°C (24°F)26 mm (1.0 inches)80%moderate
March Weather4°C (39°F)84 mm (3.3 inches)73%high
April Weather9°C (48°F)65 mm (2.5 inches)74%very high
May Weather16°C (61°F)147 mm (5.8 inches)78%very high
June Weather23°C (75°F)107 mm (4.2 inches)82%very high
July Weather25°C (77°F)63 mm (2.5 inches)83%very high
August Weather23°C (73°F)98 mm (3.9 inches)80%very high
September Weather20°C (68°F)78 mm (3.1 inches)75%very high
October Weather10°C (51°F)83 mm (3.3 inches)75%high
November Weather3°C (38°F)26 mm (1.0 inches)82%moderate
December Weather-2°C (30°F)43 mm (1.7 inches)83%low

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