September Weather in Ayutla, Mexico

Last updated: August 27, 2025

In Ayutla, Mexico, the average temperature in September is a pleasant 20°C (69°F), with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F). Expect an average precipitation of 250 mm (9.9 in) spread over 25 days, contributing to a high average humidity of 84%.

September Temperature in Ayutla

In September in Ayutla, the average temperature is 20°C (69°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 15°C (59°F). This pleasant climate makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions.

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

The chart illustrates September temperature patterns in Ayutla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ayutla, September typically has an average temperature of 20°C (69°F), with highs reaching up to 29°C (85°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Ayutla

In Ayutla in September, the total precipitation amount is 250 mm (9.9 in) spread over 25 days.

September Precipitation Trends in Ayutla

The chart displays monthly precipitation patterns in Ayutla, 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 Ayutla, September typically receives around 250 mm (9.9 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 Ayutla

In Ayutla in September humidity is 84%. With an average temperature of 20°C (69°F), this humidity feels like walking through a warm, moist blanket, making travel feel heavy and slightly fatigued as the heat clings to your skin and leaves you yearning for a refreshing breeze.

September Average Humidity in Ayutla

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

In Ayutla 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 Ayutla, you can check here.

Maximum UV Index Levels in Ayutla for September

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

Data source: Ayutla 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 Ayutla Compares to Other Months

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

This table compares monthly weather conditions in Ayutla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	15 mm (0.6 inches)	64%	very high
February Weather	17°C (63°F)	25 mm (1.0 inches)	57%	extreme
March Weather	19°C (67°F)	4 mm (0.1 inches)	46%	extreme
April Weather	20°C (69°F)	1 mm (0.1 inches)	42%	extreme
May Weather	22°C (72°F)	29 mm (1.2 inches)	51%	extreme
June Weather	22°C (72°F)	151 mm (5.9 inches)	74%	extreme
July Weather	20°C (69°F)	235 mm (9.2 inches)	79%	extreme
August Weather	20°C (69°F)	247 mm (9.7 inches)	81%	extreme
September Weather	20°C (69°F)	250 mm (9.9 inches)	84%	extreme
October Weather	20°C (68°F)	99 mm (3.9 inches)	75%	extreme
November Weather	18°C (65°F)	26 mm (1.0 inches)	71%	very high
December Weather	16°C (61°F)	17 mm (0.7 inches)	74%	very high