September Weather in Wainwright, United States

Last updated: June 24, 2025

In September, the average temperature in Wainwright, United States hovers around 4°C (39°F). Expect cool days with a minimum temperature dipping to -4°C (26°F) and a maximum reaching 12°C (53°F). Prepare for some dampness, as precipitation averages 48 mm (1.9 in) across 13 days, while humidity remains high at 91%, creating a chilly and refreshing atmosphere.

September Temperature in Wainwright

In September in Wainwright, the average temperature is 4°C (39°F). The maximum can reach 12°C (53°F), while the minimum can be as low as -4°C (26°F). Be sure to pack warm clothing if you're planning to visit during this time!

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

The chart illustrates September temperature patterns in Wainwright, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wainwright, September typically has an average temperature of 4°C (39°F), with highs reaching up to 12°C (53°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec-6-7111273642413930182
Data source: Temperature data for Wainwright 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 Wainwright

In Wainwright in September, the total precipitation amount is 48 mm (1.9 in) spread over 13 days.

September Precipitation Trends in Wainwright

The chart displays monthly precipitation patterns in Wainwright, 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 Wainwright, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec162121132024665548454431
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wainwright

In Wainwright in September, humidity is 91%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and forcing travelers to bundle up tightly against the cold, sticky air.

September Average Humidity in Wainwright

This chart illustrates the average monthly humidity levels in Wainwright, 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 Wainwright is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%99%99%97%93%91%94%92%91%85%92%99%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wainwright

In Wainwright in September, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Wainwright, you can visit Hourly UV Index in Wainwright.

Maximum UV Index Levels in Wainwright for September

The chart shows the monthly maximum UV Index (UVI) for Wainwright 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 Wainwright typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112355542110
Data source: Wainwright 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 Wainwright Compares to Other Months

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

This table compares monthly weather conditions in Wainwright, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-5°F)16 mm (0.6 inches)99%low
February Weather-22°C (-7°F)21 mm (0.8 inches)99%low
March Weather-17°C (2°F)21 mm (0.8 inches)99%low
April Weather-12°C (11°F)13 mm (0.5 inches)97%moderate
May Weather-3°C (27°F)20 mm (0.8 inches)93%moderate
June Weather2°C (36°F)24 mm (0.9 inches)91%moderate
July Weather6°C (42°F)66 mm (2.6 inches)94%moderate
August Weather5°C (41°F)55 mm (2.2 inches)92%moderate
September Weather4°C (39°F)48 mm (1.9 inches)91%low
October Weather-1°C (30°F)45 mm (1.8 inches)85%low
November Weather-8°C (18°F)44 mm (1.7 inches)92%low
December Weather-17°C (2°F)31 mm (1.2 inches)99%low

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