Last updated: August 27, 2025
In September, the average temperature in San Francisco Jayacaxtepec, Mexico is a pleasant 21°C (70°F). Expect a comfortable range, with minimums dipping to 15°C (59°F) and maximums reaching up to 32°C (91°F). Be prepared for some rain, as the area receives approximately 381 mm (15.0 in) of precipitation over 26 days, contributing to an average humidity of 84%.
In September in San Francisco Jayacaxtepec the average temperature is 21°C (70°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 15°C (59°F). This mild and pleasant climate makes it an ideal time for exploring the area and enjoying outdoor activities.
In San Francisco Jayacaxtepec in September, the total precipitation amount is 381 mm (15.0 in) distributed over 26 days.
In San Francisco Jayacaxtepec 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 Francisco Jayacaxtepec 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 Francisco Jayacaxtepec, you can check here.
UV Risk Categories
Weather in San Francisco Jayacaxtepec varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Francisco Jayacaxtepec, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 89 mm (3.5 inches) | 84% | very high |
| February Weather | 18°C (64°F) | 77 mm (3.0 inches) | 80% | extreme |
| March Weather | 19°C (67°F) | 60 mm (2.4 inches) | 73% | extreme |
| April Weather | 21°C (71°F) | 62 mm (2.4 inches) | 67% | extreme |
| May Weather | 23°C (73°F) | 122 mm (4.8 inches) | 72% | extreme |
| June Weather | 22°C (71°F) | 380 mm (15.0 inches) | 73% | extreme |
| July Weather | 21°C (70°F) | 182 mm (7.2 inches) | 76% | extreme |
| August Weather | 21°C (70°F) | 345 mm (13.6 inches) | 80% | extreme |
| September Weather | 21°C (70°F) | 381 mm (15.0 inches) | 84% | extreme |
| October Weather | 20°C (69°F) | 327 mm (12.9 inches) | 89% | extreme |
| November Weather | 18°C (64°F) | 175 mm (6.9 inches) | 88% | very high |
| December Weather | 17°C (62°F) | 83 mm (3.3 inches) | 88% | very high |