September Weather in Chalchihuites, Mexico

Last updated: August 26, 2025

In September, the average temperature in Chalchihuites, Mexico is a comfortable 17°C (62°F). Expect minimums to dip as low as 7°C (44°F) and highs reaching up to 26°C (79°F). However, be prepared for wet weather, as 214 mm (8.4 in) of precipitation is expected over 22 days. With an average humidity of 86%, it's a great idea to dress accordingly to stay comfortable!

September Temperature in Chalchihuites

In September in Chalchihuites, the average temperature is 17°C (62°F), with maximums reaching 26°C (79°F) and minimums dropping as low as 7°C (44°F). This mild climate makes it an ideal time to explore outdoor activities and enjoy the natural beauty of Chalchihuites.

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

The chart illustrates September temperature patterns in Chalchihuites, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalchihuites, September typically has an average temperature of 17°C (62°F), with highs reaching up to 26°C (79°F) and lows dropping to around 7°C (44°F).

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

September Precipitation in Chalchihuites

In Chalchihuites in September, the precipitation amount is 214 mm (8.4 in) over the course of 22 days.

September Precipitation Trends in Chalchihuites

The chart displays monthly precipitation patterns in Chalchihuites, 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 Chalchihuites, September typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 22 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 Chalchihuites

In Chalchihuites in September, humidity is 86%. With an average temperature of 17°C (62°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more strenuous and prompting frequent breaks in shaded areas for travelers exploring the sights.

September Average Humidity in Chalchihuites

This chart illustrates the average monthly humidity levels in Chalchihuites, 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 Chalchihuites is approximately 86%, 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 Chalchihuites

In Chalchihuites in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Chalchihuites, you can check here.

Maximum UV Index Levels in Chalchihuites for September

The chart shows the monthly maximum UV Index (UVI) for Chalchihuites 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 Chalchihuites typically reaches 14, which falls under the extreme exposure category.

Data source: Chalchihuites 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 Chalchihuites Compares to Other Months

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

This table compares monthly weather conditions in Chalchihuites, 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 (51°F)	17 mm (0.7 inches)	71%	very high
February Weather	12°C (55°F)	14 mm (0.6 inches)	64%	extreme
March Weather	15°C (60°F)	7 mm (0.3 inches)	49%	extreme
April Weather	17°C (63°F)	4 mm (0.1 inches)	47%	extreme
May Weather	19°C (67°F)	20 mm (0.8 inches)	55%	extreme
June Weather	20°C (69°F)	81 mm (3.2 inches)	77%	extreme
July Weather	18°C (64°F)	251 mm (9.9 inches)	82%	extreme
August Weather	18°C (65°F)	154 mm (6.1 inches)	83%	extreme
September Weather	17°C (62°F)	214 mm (8.4 inches)	86%	extreme
October Weather	16°C (61°F)	77 mm (3.0 inches)	83%	extreme
November Weather	13°C (56°F)	18 mm (0.7 inches)	80%	very high
December Weather	11°C (51°F)	12 mm (0.5 inches)	83%	very high