September Weather in Tlalchapa, Mexico

Last updated: August 27, 2025

In September, the average temperature in Tlalchapa, Mexico hovers around 27°C (81°F), with a comfortable minimum of 21°C (70°F) and a balmy maximum reaching 35°C (95°F). However, brace yourself for some rain, as 288 mm (11.3 in) of precipitation may fall over 26 days. With an average humidity of 85%, the air can feel quite muggy, making it a true tropical experience!

September Temperature in Tlalchapa

In September in Tlalchapa, the average temperature is 27°C (81°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 21°C (70°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Tlalchapa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tlalchapa, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (70°F).

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

September Precipitation in Tlalchapa

In Tlalchapa in September, the total precipitation amount is 288 mm (11.3 in) over the course of 26 days.

September Precipitation Trends in Tlalchapa

The chart displays monthly precipitation patterns in Tlalchapa, 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 Tlalchapa, September typically receives around 288 mm (11.3 inches) of precipitation spread over approximately 26 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 Tlalchapa

In Tlalchapa in September humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.

September Average Humidity in Tlalchapa

This chart illustrates the average monthly humidity levels in Tlalchapa, 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 Tlalchapa is approximately 85%, 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 Tlalchapa

In Tlalchapa 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 Tlalchapa.

Maximum UV Index Levels in Tlalchapa for September

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

Data source: Tlalchapa 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 Tlalchapa Compares to Other Months

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

This table compares monthly weather conditions in Tlalchapa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	2 mm (0.1 inches)	70%	very high
February Weather	28°C (82°F)	2 mm (0.1 inches)	64%	extreme
March Weather	30°C (86°F)	0 mm (0.0 inches)	54%	extreme
April Weather	31°C (88°F)	0 mm (0.0 inches)	61%	extreme
May Weather	31°C (89°F)	28 mm (1.1 inches)	75%	extreme
June Weather	29°C (84°F)	211 mm (8.3 inches)	83%	extreme
July Weather	28°C (82°F)	277 mm (10.9 inches)	83%	extreme
August Weather	27°C (81°F)	290 mm (11.4 inches)	85%	extreme
September Weather	27°C (81°F)	288 mm (11.3 inches)	85%	extreme
October Weather	27°C (80°F)	224 mm (8.8 inches)	79%	extreme
November Weather	26°C (79°F)	48 mm (1.9 inches)	76%	very high
December Weather	25°C (77°F)	5 mm (0.2 inches)	74%	very high