September Weather in Ajo, United States

Last updated: June 24, 2025

In Ajo, United States, the average temperature in September is a warm 30°C (86°F). However, temperatures can vary widely, with a minimum of 14°C (58°F) and a maximum soaring up to 44°C (111°F). Expect about 18 mm (0.7 in) of precipitation spread over 4 days, and enjoy a comfortable average humidity of 50% during this lively month.

September Temperature in Ajo

In September in Ajo, the average temperature is 30°C (86°F), with maximums reaching 44°C (111°F) and minimums dipping as low as 14°C (58°F). When traveling during this month, be prepared for hot weather and stay hydrated to fully enjoy all that Ajo has to offer.

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

The chart illustrates September temperature patterns in Ajo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ajo, September typically has an average temperature of 30°C (86°F), with highs reaching up to 44°C (111°F) and lows dropping to around 14°C (58°F).

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

September Precipitation in Ajo

In Ajo in September, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

September Precipitation Trends in Ajo

The chart displays monthly precipitation patterns in Ajo, 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 Ajo, September typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 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 Ajo

In Ajo in September, humidity is 50%. With an average temperature of 30°C (86°F), this humidity feels like you’re walking through a warm, thick blanket that mildly clings to your skin, making outdoor activities enjoyable yet slightly muggy—a perfect reminder to stay hydrated while exploring.

September Average Humidity in Ajo

This chart illustrates the average monthly humidity levels in Ajo, 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 Ajo 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 Ajo

In Ajo 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 Ajo.

Maximum UV Index Levels in Ajo for September

The chart shows the monthly maximum UV Index (UVI) for Ajo 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 Ajo typically reaches 11, which falls under the extreme exposure category.

Data source: Ajo 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 Ajo Compares to Other Months

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

This table compares monthly weather conditions in Ajo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	20 mm (0.8 inches)	73%	moderate
February Weather	14°C (58°F)	22 mm (0.9 inches)	76%	high
March Weather	18°C (64°F)	17 mm (0.7 inches)	65%	very high
April Weather	22°C (73°F)	1 mm (0.0 inches)	50%	extreme
May Weather	25°C (78°F)	2 mm (0.1 inches)	33%	extreme
June Weather	31°C (87°F)	7 mm (0.3 inches)	28%	extreme
July Weather	32°C (90°F)	41 mm (1.6 inches)	28%	extreme
August Weather	32°C (91°F)	34 mm (1.3 inches)	33%	extreme
September Weather	30°C (86°F)	18 mm (0.7 inches)	50%	extreme
October Weather	24°C (76°F)	10 mm (0.4 inches)	61%	very high
November Weather	19°C (67°F)	10 mm (0.4 inches)	70%	high
December Weather	14°C (57°F)	16 mm (0.6 inches)	78%	moderate