September Weather in San Jose de Ayala, Mexico

Last updated: August 27, 2025

In San Jose de Ayala, Mexico, the average temperature in September hovers around 20°C (69°F), creating a pleasant climate. Expect minimum temperatures to dip to 10°C (51°F) and maximums soaring to 31°C (89°F). However, don’t forget your umbrella, as 160 mm (6.3 in) of precipitation falls over 19 days. With an average humidity of 81%, the air can feel quite damp, so be prepared for a humid experience!

September Temperature in San Jose de Ayala

In September in San Jose de Ayala, the average temperature is 20°C (69°F). The maximum can reach 31°C (89°F), and the minimum can be as low as 10°C (51°F). This makes it an ideal time for travelers looking to enjoy mild weather and outdoor activities.

September Weather in San Jose de Ayala: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jose de Ayala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose de Ayala, September typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (89°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in San Jose de Ayala

In San Jose de Ayala in September, the precipitation amount is 160 mm (6.3 in), occurring over a period of 19 days.

September Precipitation Trends in San Jose de Ayala

The chart displays monthly precipitation patterns in San Jose de Ayala, 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 Jose de Ayala, September typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in San Jose de Ayala

In San Jose de Ayala in September, humidity is 81%. With an average temperature of 20°C (69°F), this humidity feels like a thick blanket embracing you, making travel a bit uncomfortable and sticky.

September Average Humidity in San Jose de Ayala

This chart illustrates the average monthly humidity levels in San Jose de Ayala, 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 Jose de Ayala is approximately 81%, 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 Jose de Ayala

In San Jose de Ayala in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Jose de Ayala.

Maximum UV Index Levels in San Jose de Ayala for September

The chart shows the monthly maximum UV Index (UVI) for San Jose de Ayala 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 Jose de Ayala typically reaches 13, which falls under the extreme exposure category.

Data source: San Jose de Ayala 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 Jose de Ayala Compares to Other Months

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

This table compares monthly weather conditions in San Jose de Ayala, 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)	4 mm (0.1 inches)	74%	very high
February Weather	18°C (65°F)	4 mm (0.2 inches)	65%	extreme
March Weather	21°C (71°F)	5 mm (0.2 inches)	58%	extreme
April Weather	23°C (74°F)	3 mm (0.1 inches)	58%	extreme
May Weather	25°C (77°F)	30 mm (1.2 inches)	67%	extreme
June Weather	23°C (74°F)	150 mm (5.9 inches)	76%	extreme
July Weather	21°C (70°F)	184 mm (7.2 inches)	67%	extreme
August Weather	21°C (70°F)	161 mm (6.3 inches)	68%	extreme
September Weather	20°C (69°F)	160 mm (6.3 inches)	81%	extreme
October Weather	20°C (69°F)	52 mm (2.1 inches)	83%	extreme
November Weather	18°C (65°F)	18 mm (0.7 inches)	84%	very high
December Weather	16°C (61°F)	3 mm (0.1 inches)	81%	very high