September Weather in San Cristobal Zapotitlan, Mexico

Last updated: August 27, 2025

In San Cristobal Zapotitlan, Mexico, the average temperature in September hovers around 21°C (70°F). Expect a range where minimums can dip to 16°C (60°F), while maximums soar up to 29°C (84°F). During this month, precipitation amounts average around 185 mm (7.3 in) over 22 days, accompanied by a notably high humidity level of 84%.

September Temperature in San Cristobal Zapotitlan

In September in San Cristobal Zapotitlan, the average temperature is 21°C (70°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 16°C (60°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in San Cristobal Zapotitlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Cristobal Zapotitlan, September typically has an average temperature of 21°C (70°F), with highs reaching up to 29°C (84°F) and lows dropping to around 16°C (60°F).

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

September Precipitation in San Cristobal Zapotitlan

In San Cristobal Zapotitlan in September, the precipitation amount is 185 mm (7.3 in) distributed over 22 days.

September Precipitation Trends in San Cristobal Zapotitlan

The chart displays monthly precipitation patterns in San Cristobal Zapotitlan, 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 Cristobal Zapotitlan, September typically receives around 185 mm (7.3 inches) of precipitation spread over approximately 22 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 Cristobal Zapotitlan

In San Cristobal Zapotitlan in September, humidity is 84%. With an average temperature of 21°C (70°F), this humidity feels like thick, warm air wrapping around you, making outdoor activities quite uncomfortable and necessitating frequent hydration breaks for a more enjoyable travel experience.

September Average Humidity in San Cristobal Zapotitlan

This chart illustrates the average monthly humidity levels in San Cristobal Zapotitlan, 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 Cristobal Zapotitlan 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 Cristobal Zapotitlan

In San Cristobal Zapotitlan 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 Cristobal Zapotitlan, you can check here.

Maximum UV Index Levels in San Cristobal Zapotitlan for September

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

Data source: San Cristobal Zapotitlan 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 Cristobal Zapotitlan Compares to Other Months

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

This table compares monthly weather conditions in San Cristobal Zapotitlan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	6 mm (0.2 inches)	64%	very high
February Weather	18°C (65°F)	10 mm (0.4 inches)	57%	extreme
March Weather	21°C (70°F)	2 mm (0.1 inches)	46%	extreme
April Weather	22°C (73°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (75°F)	17 mm (0.7 inches)	51%	extreme
June Weather	23°C (73°F)	112 mm (4.4 inches)	74%	extreme
July Weather	21°C (70°F)	179 mm (7.0 inches)	79%	extreme
August Weather	21°C (70°F)	191 mm (7.5 inches)	81%	extreme
September Weather	21°C (70°F)	185 mm (7.3 inches)	84%	extreme
October Weather	20°C (69°F)	62 mm (2.4 inches)	75%	extreme
November Weather	19°C (66°F)	18 mm (0.7 inches)	71%	very high
December Weather	17°C (63°F)	5 mm (0.2 inches)	74%	very high