September Weather in Arivaca, United States

Last updated: June 24, 2025

In September, the average temperature in Arivaca, United States is a warm 26°C (79°F), with a minimum of 12°C (53°F) and a scorching maximum of 39°C (102°F). Expect 42 mm (1.6 in) of precipitation over 6 days, contributing to an average humidity of 72%. Whether you're soaking up the sun or enjoying a refreshing rain shower, be prepared for a variety of weather experiences!

September Temperature in Arivaca

In September in Arivaca, the average temperature is 26°C (79°F). Maximum temperatures can reach up to 39°C (102°F), while minimum temperatures can drop as low as 12°C (53°F). Be prepared for a warm climate with occasional cool evenings when traveling to Arivaca during this month.

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

The chart illustrates September temperature patterns in Arivaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arivaca, September typically has an average temperature of 26°C (79°F), with highs reaching up to 39°C (102°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in Arivaca

In Arivaca in September, the total precipitation amount is 42 mm (1.6 in) over a span of 6 days.

September Precipitation Trends in Arivaca

The chart displays monthly precipitation patterns in Arivaca, 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 Arivaca, September typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 6 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 Arivaca

In Arivaca in September, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

September Average Humidity in Arivaca

This chart illustrates the average monthly humidity levels in Arivaca, 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 Arivaca is approximately 72%, 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 Arivaca

In Arivaca 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 Arivaca.

Maximum UV Index Levels in Arivaca for September

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

Data source: Arivaca 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 Arivaca Compares to Other Months

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

This table compares monthly weather conditions in Arivaca, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	27 mm (1.1 inches)	74%	moderate
February Weather	11°C (53°F)	31 mm (1.2 inches)	71%	high
March Weather	15°C (59°F)	19 mm (0.8 inches)	60%	very high
April Weather	20°C (68°F)	3 mm (0.1 inches)	43%	extreme
May Weather	23°C (73°F)	3 mm (0.1 inches)	32%	extreme
June Weather	29°C (84°F)	7 mm (0.3 inches)	28%	extreme
July Weather	28°C (83°F)	74 mm (2.9 inches)	38%	extreme
August Weather	28°C (82°F)	56 mm (2.2 inches)	60%	extreme
September Weather	26°C (79°F)	42 mm (1.6 inches)	72%	extreme
October Weather	21°C (70°F)	9 mm (0.4 inches)	66%	very high
November Weather	16°C (62°F)	17 mm (0.7 inches)	74%	high
December Weather	11°C (52°F)	21 mm (0.8 inches)	81%	moderate