September Weather in Willcox, United States

Last updated: June 24, 2025

In September, the average temperature in Willcox, United States hovers around 25°C (76°F), with a minimum of 11°C (51°F) and a maximum reaching up to 37°C (99°F). Expect an average precipitation of 31 mm (1.2 in), typically over 4 days, and enjoy a fairly comfortable humidity level at 66%.

September Temperature in Willcox

In September in Willcox, the average temperature is 25°C (76°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop as low as 11°C (51°F). Travelers should be prepared for warm days and cool evenings.

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

The chart illustrates September temperature patterns in Willcox, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willcox, September typically has an average temperature of 25°C (76°F), with highs reaching up to 37°C (99°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec464957667383828176665747
Data source: Temperature data for Willcox 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 Willcox

In Willcox in September, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

September Precipitation Trends in Willcox

The chart displays monthly precipitation patterns in Willcox, 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 Willcox, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec222814337584031112426
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Willcox

In Willcox in September humidity is 66%. With an average temperature of 25°C (76°F), this humidity feels like traveling through a warm, gentle mist that envelops you, making the surroundings lush and vibrant, yet slightly sticky and draining as you explore the sights.

September Average Humidity in Willcox

This chart illustrates the average monthly humidity levels in Willcox, 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 Willcox is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%68%55%45%37%43%53%66%72%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Willcox

In Willcox in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Willcox.

Maximum UV Index Levels in Willcox for September

The chart shows the monthly maximum UV Index (UVI) for Willcox 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 Willcox typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211965
Data source: Willcox 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 Willcox Compares to Other Months

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

This table compares monthly weather conditions in Willcox, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)22 mm (0.9 inches)81%moderate
February Weather9°C (49°F)28 mm (1.1 inches)82%high
March Weather14°C (57°F)13 mm (0.5 inches)68%very high
April Weather19°C (66°F)3 mm (0.1 inches)55%extreme
May Weather23°C (73°F)3 mm (0.1 inches)45%extreme
June Weather28°C (83°F)7 mm (0.3 inches)37%extreme
July Weather28°C (82°F)58 mm (2.3 inches)43%extreme
August Weather27°C (81°F)40 mm (1.6 inches)53%extreme
September Weather25°C (76°F)31 mm (1.2 inches)66%extreme
October Weather19°C (67°F)11 mm (0.4 inches)72%very high
November Weather14°C (57°F)23 mm (0.9 inches)81%high
December Weather8°C (47°F)26 mm (1.0 inches)84%moderate

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