September Weather in Rio Rico, United States

Last updated: June 24, 2025

In Rio Rico, United States, the average temperature in September is a pleasant 25°C (76°F). However, you might experience a range with minimums dipping to 10°C (51°F) and maximums soaring up to 37°C (98°F). Expect about 40 mm (1.6 in) of precipitation over 6 days, accompanied by an average humidity of 72%. Plan accordingly for a mix of warm days and refreshing showers!

September Temperature in Rio Rico

In September in Rio Rico, the average temperature is 25°C (76°F). Maximum can reach 37°C (98°F) and minimum can be as low as 10°C (51°F). This climate makes it a great destination for travelers seeking both warm days and cooler evenings.

September Weather in Rio Rico: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio Rico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Rico, September typically has an average temperature of 25°C (76°F), with highs reaching up to 37°C (98°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Rio Rico

In Rio Rico in September, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Rio Rico

The chart displays monthly precipitation patterns in Rio Rico, 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 Rio Rico, September typically receives around 40 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 Rio Rico

In Rio Rico in September humidity is 72%. With an average temperature of 25°C (76°F), this humidity feels like a warm, enveloping blanket, making travel moments both sticky and slightly arduous, where you'll find yourself longing for cool breezes and refreshing drinks to keep you comfortable.

September Average Humidity in Rio Rico

This chart illustrates the average monthly humidity levels in Rio Rico, 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 Rio Rico 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 Rio Rico

In Rio Rico 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 Rio Rico.

Maximum UV Index Levels in Rio Rico for September

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

Data source: Rio Rico 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 Rio Rico Compares to Other Months

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

This table compares monthly weather conditions in Rio Rico, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	27 mm (1.1 inches)	74%	moderate
February Weather	10°C (51°F)	35 mm (1.4 inches)	71%	high
March Weather	14°C (57°F)	20 mm (0.8 inches)	60%	very high
April Weather	19°C (66°F)	4 mm (0.2 inches)	43%	extreme
May Weather	22°C (72°F)	3 mm (0.1 inches)	32%	extreme
June Weather	28°C (82°F)	10 mm (0.4 inches)	28%	extreme
July Weather	27°C (81°F)	98 mm (3.9 inches)	38%	extreme
August Weather	26°C (79°F)	76 mm (3.0 inches)	60%	extreme
September Weather	25°C (76°F)	40 mm (1.6 inches)	72%	extreme
October Weather	20°C (68°F)	11 mm (0.4 inches)	66%	very high
November Weather	15°C (60°F)	21 mm (0.8 inches)	74%	high
December Weather	10°C (50°F)	24 mm (0.9 inches)	81%	moderate