Last updated: August 27, 2025
In September, the average temperature in San Juan Zapotitlan, Mexico hovers around 21°C (70°F), offering pleasant weather for outdoor activities. Expect a minimum of 15°C (59°F) and a maximum of 30°C (86°F), making it an ideal time to explore. However, be prepared for significant precipitation, totaling 455 mm (17.9 in) over 28 days, with an average humidity of 84%. Grab your umbrella and enjoy the lush landscapes!
In September in San Juan Zapotitlan, the average temperature is 21°C (70°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 15°C (59°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in San Juan Zapotitlan.
In San Juan Zapotitlan in September, the total precipitation amount is 455 mm (17.9 in) over the course of 28 days.
In San Juan 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.
In San Juan 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 Juan Zapotitlan, you can check here.
UV Risk Categories
Weather in San Juan Zapotitlan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Juan Zapotitlan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 127 mm (5.0 inches) | 84% | very high |
| February Weather | 18°C (64°F) | 105 mm (4.2 inches) | 80% | extreme |
| March Weather | 19°C (66°F) | 97 mm (3.8 inches) | 73% | extreme |
| April Weather | 21°C (70°F) | 108 mm (4.2 inches) | 67% | extreme |
| May Weather | 22°C (72°F) | 160 mm (6.3 inches) | 72% | extreme |
| June Weather | 21°C (71°F) | 414 mm (16.3 inches) | 73% | extreme |
| July Weather | 21°C (70°F) | 213 mm (8.4 inches) | 76% | extreme |
| August Weather | 21°C (70°F) | 332 mm (13.1 inches) | 80% | extreme |
| September Weather | 21°C (70°F) | 455 mm (17.9 inches) | 84% | extreme |
| October Weather | 20°C (68°F) | 385 mm (15.2 inches) | 89% | extreme |
| November Weather | 18°C (64°F) | 234 mm (9.2 inches) | 88% | very high |
| December Weather | 16°C (62°F) | 103 mm (4.1 inches) | 88% | very high |