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September Weather in Duchesne, United States

Last updated: June 24, 2025

In September, the average temperature in Duchesne, United States hovers around 17°C (62°F), but be prepared for extremes, with minimums dipping to -2°C (29°F) and maximums soaring up to 34°C (94°F). The weather can be quite variable, bringing about 20 mm (0.8 in) of precipitation over 4 days, all while maintaining an average humidity of 46%.

September Temperature in Duchesne

In September in Duchesne, the average temperature is 17°C (62°F). Maximums can reach up to 34°C (94°F), while minimums can dip as low as -2°C (29°F). Be prepared for a wide range of temperatures when planning your travel to Duchesne in September.

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

The chart illustrates September temperature patterns in Duchesne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duchesne, September typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec232737455467747162453625
Data source: Temperature data for Duchesne 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 Duchesne

In Duchesne in September, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

September Precipitation Trends in Duchesne

The chart displays monthly precipitation patterns in Duchesne, 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 Duchesne, September typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec333339223916182020342229
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Duchesne

In Duchesne in September, humidity is 46%. With an average temperature of 17°C (62°F), this humidity feels like a refreshing breeze, making it comfortable for exploring the local attractions and enjoying outdoor activities.

September Average Humidity in Duchesne

This chart illustrates the average monthly humidity levels in Duchesne, 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 Duchesne is approximately 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Duchesne

In Duchesne in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Duchesne.

Maximum UV Index Levels in Duchesne for September

The chart shows the monthly maximum UV Index (UVI) for Duchesne 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 Duchesne typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121110753
Data source: Duchesne 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 Duchesne Compares to Other Months

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

This table compares monthly weather conditions in Duchesne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)33 mm (1.3 inches)91%moderate
February Weather-3°C (27°F)32 mm (1.3 inches)92%high
March Weather3°C (37°F)39 mm (1.5 inches)84%very high
April Weather7°C (45°F)22 mm (0.9 inches)74%extreme
May Weather12°C (54°F)38 mm (1.5 inches)62%extreme
June Weather19°C (67°F)16 mm (0.6 inches)56%extreme
July Weather23°C (74°F)18 mm (0.7 inches)44%extreme
August Weather22°C (72°F)20 mm (0.8 inches)37%extreme
September Weather17°C (62°F)20 mm (0.8 inches)46%very high
October Weather7°C (45°F)34 mm (1.3 inches)67%high
November Weather2°C (36°F)22 mm (0.9 inches)84%moderate
December Weather-4°C (25°F)29 mm (1.2 inches)88%moderate

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