September Weather in Ciudad Obregon, Mexico

Last updated: August 27, 2025

In September, the average temperature in Ciudad Obregon, Mexico reaches a warm 30°C (87°F). While you can expect pleasant days, be prepared for a range with minimums dipping to 18°C (64°F) and maximums soaring up to 44°C (112°F). You might also encounter 76 mm (3.0 in) of precipitation over about 11 days, contributing to an average humidity of 76%.

September Temperature in Ciudad Obregon

In September in Ciudad Obregon, the average temperature is 30°C (87°F). Maximum temperatures can reach 44°C (112°F), and the minimum can drop as low as 18°C (64°F). It's essential for travelers to be prepared for heat while also being ready for cooler evenings.

September Weather in Ciudad Obregon: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ciudad Obregon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ciudad Obregon, September typically has an average temperature of 30°C (87°F), with highs reaching up to 44°C (112°F) and lows dropping to around 18°C (64°F).

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

September Precipitation in Ciudad Obregon

In Ciudad Obregon in September, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.

September Precipitation Trends in Ciudad Obregon

The chart displays monthly precipitation patterns in Ciudad Obregon, 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 Ciudad Obregon, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Ciudad Obregon

In Ciudad Obregon in September, humidity is 76%. With an average temperature of 30°C (87°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and leaving a sheen of sweat on your skin, which can be quite taxing for traveling.

September Average Humidity in Ciudad Obregon

This chart illustrates the average monthly humidity levels in Ciudad Obregon, 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 Ciudad Obregon is approximately 76%, 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 Ciudad Obregon

In Ciudad Obregon 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 Ciudad Obregon.

Maximum UV Index Levels in Ciudad Obregon for September

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

Data source: Ciudad Obregon 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 Ciudad Obregon Compares to Other Months

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

This table compares monthly weather conditions in Ciudad Obregon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (64°F)	11 mm (0.4 inches)	71%	high
February Weather	18°C (65°F)	10 mm (0.4 inches)	66%	very high
March Weather	21°C (69°F)	11 mm (0.4 inches)	58%	very high
April Weather	24°C (76°F)	0 mm (0.0 inches)	52%	extreme
May Weather	27°C (81°F)	0 mm (0.0 inches)	51%	extreme
June Weather	31°C (89°F)	12 mm (0.5 inches)	51%	extreme
July Weather	32°C (90°F)	57 mm (2.2 inches)	60%	extreme
August Weather	32°C (90°F)	74 mm (2.9 inches)	73%	extreme
September Weather	30°C (87°F)	76 mm (3.0 inches)	76%	extreme
October Weather	28°C (83°F)	18 mm (0.7 inches)	72%	very high
November Weather	23°C (73°F)	20 mm (0.8 inches)	72%	high
December Weather	18°C (65°F)	17 mm (0.7 inches)	72%	moderate