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September Weather in Gwinn, United States

Last updated: June 24, 2025

In Gwinn, United States, the average temperature in September hovers around 14°C (58°F), making it a mild time of year. However, temperatures can swing dramatically, with minimums dipping to -2°C (29°F) and maximums soaring up to 34°C (93°F). During this month, expect about 101 mm (4.0 in) of precipitation spread over 11 days, contributing to an average humidity of 74%.

September Temperature in Gwinn

In September in Gwinn, the average temperature is 14°C (58°F). The maximum can reach 34°C (93°F), and the minimum can be as low as -2°C (29°F). This wide temperature range makes Gwinn an ideal destination for travelers seeking both warm and cool experiences during their visit.

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

The chart illustrates September temperature patterns in Gwinn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gwinn, September typically has an average temperature of 14°C (58°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec171627375263696558453122
Data source: Temperature data for Gwinn 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 Gwinn

In Gwinn in September, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

September Precipitation Trends in Gwinn

The chart displays monthly precipitation patterns in Gwinn, 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 Gwinn, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3753508778105881131011095657
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gwinn

In Gwinn in September humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

September Average Humidity in Gwinn

This chart illustrates the average monthly humidity levels in Gwinn, 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 Gwinn is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%92%88%86%78%74%70%71%74%81%86%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gwinn

In Gwinn in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Gwinn.

Maximum UV Index Levels in Gwinn for September

The chart shows the monthly maximum UV Index (UVI) for Gwinn 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 Gwinn typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Gwinn 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 Gwinn Compares to Other Months

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

This table compares monthly weather conditions in Gwinn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)37 mm (1.5 inches)92%low
February Weather-9°C (16°F)53 mm (2.1 inches)92%moderate
March Weather-3°C (27°F)50 mm (2.0 inches)88%moderate
April Weather3°C (37°F)87 mm (3.4 inches)86%high
May Weather11°C (53°F)78 mm (3.1 inches)78%very high
June Weather17°C (64°F)105 mm (4.1 inches)74%very high
July Weather20°C (69°F)88 mm (3.5 inches)70%very high
August Weather18°C (65°F)113 mm (4.4 inches)71%very high
September Weather14°C (58°F)101 mm (4.0 inches)74%high
October Weather7°C (45°F)109 mm (4.3 inches)81%moderate
November Weather-1°C (31°F)56 mm (2.2 inches)86%moderate
December Weather-5°C (23°F)57 mm (2.2 inches)90%low

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