September Weather in Tepechitlan, Mexico

Last updated: August 26, 2025

In September, the average temperature in Tepechitlan, Mexico hovers around 18°C (65°F), with a comfortable range that sees minimums of 10°C (50°F) and maximums of 27°C (82°F). Expect a significant precipitation amount of 234 mm (9.2 in) spread over 21 days, contributing to an average humidity level of 84%.

September Temperature in Tepechitlan

In September in Tepechitlan, the average temperature is 18°C (65°F), with maximums reaching 27°C (82°F) and minimums dipping as low as 10°C (50°F). This mild weather makes it an ideal time for travelers to explore the beauty of Tepechitlan.

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

The chart illustrates September temperature patterns in Tepechitlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tepechitlan, September typically has an average temperature of 18°C (65°F), with highs reaching up to 27°C (82°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Tepechitlan

In Tepechitlan in September, the total precipitation amount reaches 234 mm (9.2 in) over the course of 21 days.

September Precipitation Trends in Tepechitlan

The chart displays monthly precipitation patterns in Tepechitlan, 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 Tepechitlan, September typically receives around 234 mm (9.2 inches) of precipitation spread over approximately 21 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 Tepechitlan

In Tepechitlan in September, humidity is 84%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and slightly uncomfortable as the air clings to your skin and limits your breath.

September Average Humidity in Tepechitlan

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

In Tepechitlan 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 Tepechitlan, you can check here.

Maximum UV Index Levels in Tepechitlan for September

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

Data source: Tepechitlan 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 Tepechitlan Compares to Other Months

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

This table compares monthly weather conditions in Tepechitlan, 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 (55°F)	19 mm (0.7 inches)	64%	very high
February Weather	15°C (59°F)	21 mm (0.8 inches)	57%	extreme
March Weather	18°C (64°F)	7 mm (0.3 inches)	46%	extreme
April Weather	19°C (67°F)	2 mm (0.1 inches)	42%	extreme
May Weather	21°C (70°F)	28 mm (1.1 inches)	51%	extreme
June Weather	21°C (70°F)	157 mm (6.2 inches)	74%	extreme
July Weather	19°C (66°F)	305 mm (12.0 inches)	79%	extreme
August Weather	19°C (66°F)	209 mm (8.2 inches)	81%	extreme
September Weather	18°C (65°F)	234 mm (9.2 inches)	84%	extreme
October Weather	17°C (64°F)	87 mm (3.4 inches)	75%	extreme
November Weather	15°C (60°F)	23 mm (0.9 inches)	71%	very high
December Weather	13°C (56°F)	18 mm (0.7 inches)	74%	very high