September Weather in Chapantongo, Mexico

Last updated: August 27, 2025

In September, the average temperature in Chapantongo, Mexico is a comfortable 17°C (63°F), with lows dipping to 7°C (45°F) and highs reaching up to 27°C (81°F). Expect about 164 mm (6.5 in) of precipitation spread over 20 days, contributing to an average humidity of 84%. Prepare for varied weather, perfect for enjoying the local scenery!

September Temperature in Chapantongo

In September in Chapantongo, the average temperature is 17°C (63°F). Maximums can reach 27°C (81°F) and minimums can be as low as 7°C (45°F). This makes Chapantongo a comfortable destination for travelers looking to enjoy mild weather and explore the local attractions.

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

The chart illustrates September temperature patterns in Chapantongo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chapantongo, September typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (81°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Chapantongo

In Chapantongo in September, the total precipitation amount is 164 mm (6.5 in) occurring over the course of 20 days.

September Precipitation Trends in Chapantongo

The chart displays monthly precipitation patterns in Chapantongo, 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 Chapantongo, September typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 20 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 Chapantongo

In Chapantongo in September, humidity is 84%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling feel heavy and cumbersome, often leaving visitors yearning for refreshing breezes and shade.

September Average Humidity in Chapantongo

This chart illustrates the average monthly humidity levels in Chapantongo, 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 Chapantongo 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 Chapantongo

In Chapantongo 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 Chapantongo, you can check here.

Maximum UV Index Levels in Chapantongo for September

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

Data source: Chapantongo 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 Chapantongo Compares to Other Months

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

This table compares monthly weather conditions in Chapantongo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	9 mm (0.4 inches)	88%	very high
February Weather	15°C (60°F)	10 mm (0.4 inches)	86%	extreme
March Weather	17°C (64°F)	18 mm (0.7 inches)	83%	extreme
April Weather	19°C (67°F)	29 mm (1.1 inches)	80%	extreme
May Weather	20°C (69°F)	47 mm (1.8 inches)	82%	extreme
June Weather	19°C (66°F)	147 mm (5.8 inches)	79%	extreme
July Weather	18°C (64°F)	126 mm (5.0 inches)	72%	extreme
August Weather	18°C (64°F)	133 mm (5.2 inches)	74%	extreme
September Weather	17°C (63°F)	164 mm (6.5 inches)	84%	extreme
October Weather	16°C (61°F)	80 mm (3.1 inches)	92%	extreme
November Weather	14°C (58°F)	22 mm (0.9 inches)	91%	very high
December Weather	13°C (56°F)	5 mm (0.2 inches)	91%	very high