September Weather in Ayahualulco, Mexico

Last updated: August 27, 2025

In September, the average temperature in Ayahualulco, Mexico hovers around 15°C (59°F), with daily variations ranging from a chilly 6°C (43°F) to a comfortable 23°C (74°F). This period experiences significant rainfall, with an average precipitation of 229 mm (9.0 in) spread across 25 days, contributing to a notable average humidity of 86%.

September Temperature in Ayahualulco

In September in Ayahualulco, the average temperature is 15°C (59°F). Maximums can reach 23°C (74°F) and minimums can be as low as 6°C (43°F). It's a great time to explore outdoor activities while enjoying mild weather.

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

The chart illustrates September temperature patterns in Ayahualulco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ayahualulco, September typically has an average temperature of 15°C (59°F), with highs reaching up to 23°C (74°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Ayahualulco

In Ayahualulco, in September, the total precipitation amount is 229 mm (9.0 in) over the course of 25 days.

September Precipitation Trends in Ayahualulco

The chart displays monthly precipitation patterns in Ayahualulco, 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 Ayahualulco, September typically receives around 229 mm (9.0 inches) of precipitation spread over approximately 25 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 Ayahualulco

In Ayahualulco in September, humidity is 86%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket that clings to your skin, making traveling slightly uncomfortable but still manageable if you stay hydrated and take breaks in shaded areas.

September Average Humidity in Ayahualulco

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

In Ayahualulco 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 Ayahualulco, you can check here.

Maximum UV Index Levels in Ayahualulco for September

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

Data source: Ayahualulco 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 Ayahualulco Compares to Other Months

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

This table compares monthly weather conditions in Ayahualulco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	61 mm (2.4 inches)	88%	very high
February Weather	13°C (55°F)	41 mm (1.6 inches)	86%	extreme
March Weather	14°C (57°F)	82 mm (3.2 inches)	84%	extreme
April Weather	15°C (59°F)	114 mm (4.5 inches)	81%	extreme
May Weather	16°C (61°F)	154 mm (6.1 inches)	82%	extreme
June Weather	15°C (60°F)	237 mm (9.3 inches)	81%	extreme
July Weather	15°C (59°F)	131 mm (5.2 inches)	81%	extreme
August Weather	15°C (59°F)	185 mm (7.3 inches)	82%	extreme
September Weather	15°C (59°F)	229 mm (9.0 inches)	86%	extreme
October Weather	14°C (58°F)	166 mm (6.5 inches)	90%	extreme
November Weather	12°C (55°F)	86 mm (3.4 inches)	91%	very high
December Weather	11°C (53°F)	43 mm (1.7 inches)	91%	very high