September Weather in Cerro Blanco, Mexico

Last updated: August 27, 2025

In Cerro Blanco, Mexico, the average temperature in September hovers around 23°C (73°F), with comfortable lows of 17°C (62°F) and warm highs reaching 32°C (89°F). Expect a splash of wet weather, as 298 mm (11.7 in) of precipitation falls over 27 days, adding to the region's average humidity of 84%. Enjoy the tropical vibe, but don’t forget your umbrella!

September Temperature in Cerro Blanco

In September in Cerro Blanco, the average temperature is 23°C (73°F), with maximums reaching up to 32°C (89°F) and minimums dipping as low as 17°C (62°F). This pleasant climate makes Cerro Blanco an ideal destination for travelers seeking mild weather and outdoor adventures.

September Weather in Cerro Blanco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cerro Blanco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cerro Blanco, September typically has an average temperature of 23°C (73°F), with highs reaching up to 32°C (89°F) and lows dropping to around 17°C (62°F).

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

September Precipitation in Cerro Blanco

In Cerro Blanco in September, the precipitation amount is 298 mm (11.7 in) spread over 27 days.

September Precipitation Trends in Cerro Blanco

The chart displays monthly precipitation patterns in Cerro Blanco, 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 Cerro Blanco, September typically receives around 298 mm (11.7 inches) of precipitation spread over approximately 27 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 Cerro Blanco

In Cerro Blanco in September, humidity is 84%. With an average temperature of 23°C (73°F), this humidity feels like a warm, thick blanket wrapping around you, making travel slightly exhausting but also uniquely invigorating as you navigate through the vibrant atmosphere.

September Average Humidity in Cerro Blanco

This chart illustrates the average monthly humidity levels in Cerro Blanco, 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 Cerro Blanco is approximately 84%, 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 Cerro Blanco

In Cerro Blanco in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Cerro Blanco.

Maximum UV Index Levels in Cerro Blanco for September

The chart shows the monthly maximum UV Index (UVI) for Cerro Blanco 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 Cerro Blanco typically reaches 13, which falls under the extreme exposure category.

Data source: Cerro Blanco 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 Cerro Blanco Compares to Other Months

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

This table compares monthly weather conditions in Cerro Blanco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	19 mm (0.7 inches)	64%	very high
February Weather	19°C (66°F)	29 mm (1.2 inches)	57%	very high
March Weather	21°C (69°F)	2 mm (0.1 inches)	46%	extreme
April Weather	22°C (71°F)	1 mm (0.0 inches)	42%	extreme
May Weather	23°C (74°F)	10 mm (0.4 inches)	51%	extreme
June Weather	24°C (76°F)	106 mm (4.2 inches)	74%	extreme
July Weather	23°C (74°F)	248 mm (9.7 inches)	79%	extreme
August Weather	23°C (74°F)	279 mm (11.0 inches)	81%	extreme
September Weather	23°C (73°F)	298 mm (11.7 inches)	84%	extreme
October Weather	22°C (73°F)	110 mm (4.3 inches)	75%	extreme
November Weather	20°C (69°F)	15 mm (0.6 inches)	71%	very high
December Weather	18°C (65°F)	21 mm (0.8 inches)	74%	high