September Weather in Tepetongo, Mexico

Last updated: August 27, 2025

In Tepetongo, Mexico, the average temperature in September hovers around 18°C (64°F). Expect a minimum of 9°C (49°F) and a maximum of 28°C (82°F) during this time. The region sees approximately 177 mm (7.0 in) of precipitation spread over 19 days, contributing to an average humidity level of 86%.

September Temperature in Tepetongo

In September in Tepetongo, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 28°C (82°F), while the minimum can drop as low as 9°C (49°F). This pleasant climate makes Tepetongo an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Tepetongo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tepetongo, September typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (82°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in Tepetongo

In Tepetongo in September, the total precipitation amount is 177 mm (7.0 in) over the course of 19 days.

September Precipitation Trends in Tepetongo

The chart displays monthly precipitation patterns in Tepetongo, 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 Tepetongo, September typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 19 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 Tepetongo

In Tepetongo in September humidity is 86%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air becomes thick and sticky, often leading to clammy skin and a constant need for hydration.

September Average Humidity in Tepetongo

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

In Tepetongo 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 Tepetongo, you can check here.

Maximum UV Index Levels in Tepetongo for September

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

Data source: Tepetongo 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 Tepetongo Compares to Other Months

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

This table compares monthly weather conditions in Tepetongo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	18 mm (0.7 inches)	71%	very high
February Weather	14°C (57°F)	15 mm (0.6 inches)	64%	extreme
March Weather	17°C (63°F)	6 mm (0.3 inches)	49%	extreme
April Weather	19°C (66°F)	2 mm (0.1 inches)	47%	extreme
May Weather	21°C (70°F)	20 mm (0.8 inches)	55%	extreme
June Weather	21°C (70°F)	107 mm (4.2 inches)	77%	extreme
July Weather	19°C (66°F)	220 mm (8.7 inches)	82%	extreme
August Weather	19°C (66°F)	134 mm (5.3 inches)	83%	extreme
September Weather	18°C (64°F)	177 mm (7.0 inches)	86%	extreme
October Weather	17°C (63°F)	54 mm (2.1 inches)	83%	extreme
November Weather	15°C (59°F)	18 mm (0.7 inches)	80%	very high
December Weather	12°C (54°F)	13 mm (0.5 inches)	83%	very high