September Weather in San Tadeo, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Tadeo, Mexico hovers around 19°C (66°F), offering a mild climate. Expect a minimum of 9°C (49°F) and a pleasant maximum of 28°C (83°F). However, be prepared for some rain, as 153 mm (6.0 in) of precipitation is typically spread across 18 days. With an average humidity of 84%, it’s a good time to embrace the cozy atmosphere!

September Temperature in San Tadeo

In September in San Tadeo, the average temperature is 19°C (66°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as 9°C (49°F). It's a great time to explore the outdoors while enjoying mild weather, so pack accordingly for both warm days and cooler evenings.

September Weather in San Tadeo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Tadeo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Tadeo, September typically has an average temperature of 19°C (66°F), with highs reaching up to 28°C (83°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in San Tadeo

In San Tadeo in September, the total precipitation amount reaches 153 mm (6.0 in) over the course of 18 days.

September Precipitation Trends in San Tadeo

The chart displays monthly precipitation patterns in San Tadeo, 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 San Tadeo, September typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 18 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 San Tadeo

In San Tadeo in September, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.

September Average Humidity in San Tadeo

This chart illustrates the average monthly humidity levels in San Tadeo, 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 San Tadeo 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 San Tadeo

In San Tadeo 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 San Tadeo, you can check here.

Maximum UV Index Levels in San Tadeo for September

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

Data source: San Tadeo 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 San Tadeo Compares to Other Months

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

This table compares monthly weather conditions in San Tadeo, 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)	10 mm (0.4 inches)	64%	very high
February Weather	16°C (60°F)	11 mm (0.4 inches)	57%	extreme
March Weather	19°C (66°F)	3 mm (0.1 inches)	46%	extreme
April Weather	20°C (69°F)	2 mm (0.1 inches)	42%	extreme
May Weather	22°C (72°F)	18 mm (0.7 inches)	51%	extreme
June Weather	22°C (71°F)	121 mm (4.8 inches)	74%	extreme
July Weather	19°C (67°F)	230 mm (9.1 inches)	79%	extreme
August Weather	20°C (67°F)	134 mm (5.3 inches)	81%	extreme
September Weather	19°C (66°F)	153 mm (6.0 inches)	84%	extreme
October Weather	18°C (65°F)	48 mm (1.9 inches)	75%	extreme
November Weather	16°C (61°F)	13 mm (0.5 inches)	71%	very high
December Weather	14°C (57°F)	11 mm (0.4 inches)	74%	very high