September Weather in Yuma, United States

Last updated: June 24, 2025

In Yuma, United States, the average temperature in September reaches a sizzling 32°C (90°F). Be prepared for temperature fluctuations, with minimums dipping to 15°C (60°F) and maximums soaring up to a staggering 49°C (120°F). During this month, expect about 19 mm (0.7 in) of precipitation over 3 days, complemented by an average humidity level of 50%. Perfect for those who enjoy a warm climate!

September Temperature in Yuma

In September in Yuma, the average temperature is 32°C (90°F). Maximum temperatures can reach 49°C (120°F), while minimums can drop to as low as 15°C (60°F). Travelers should be prepared for extreme heat and make sure to stay hydrated and cool during their visit.

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

The chart illustrates September temperature patterns in Yuma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yuma, September typically has an average temperature of 32°C (90°F), with highs reaching up to 49°C (120°F) and lows dropping to around 15°C (60°F).

Data source: Temperature data for Yuma generated using information from the Copernicus Climate Change Service.

September Precipitation in Yuma

In Yuma in September, the precipitation amount is 19 mm (0.7 in) over a period of 3 days.

September Precipitation Trends in Yuma

The chart displays monthly precipitation patterns in Yuma, 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 Yuma, September typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Yuma

In Yuma in September humidity is 50%. With an average temperature of 32°C (90°F), this humidity feels like a warm embrace, making it essential to stay hydrated and take frequent breaks while exploring the sights.

September Average Humidity in Yuma

This chart illustrates the average monthly humidity levels in Yuma, 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 Yuma is approximately 50%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yuma

In Yuma 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 Yuma.

Maximum UV Index Levels in Yuma for September

The chart shows the monthly maximum UV Index (UVI) for Yuma 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 Yuma typically reaches 10, which falls under the very high exposure category.

Data source: Yuma 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 Yuma Compares to Other Months

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

This table compares monthly weather conditions in Yuma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	11 mm (0.4 inches)	73%	moderate
February Weather	16°C (62°F)	15 mm (0.6 inches)	76%	high
March Weather	20°C (68°F)	16 mm (0.6 inches)	65%	very high
April Weather	25°C (77°F)	2 mm (0.1 inches)	50%	very high
May Weather	28°C (82°F)	1 mm (0.0 inches)	33%	extreme
June Weather	33°C (91°F)	0 mm (0.0 inches)	28%	extreme
July Weather	36°C (97°F)	6 mm (0.2 inches)	28%	extreme
August Weather	36°C (97°F)	9 mm (0.3 inches)	33%	extreme
September Weather	32°C (90°F)	19 mm (0.7 inches)	50%	very high
October Weather	25°C (78°F)	9 mm (0.3 inches)	61%	very high
November Weather	20°C (68°F)	10 mm (0.4 inches)	70%	moderate
December Weather	14°C (58°F)	10 mm (0.4 inches)	78%	moderate