Last updated: August 27, 2025
In September, the average temperature in San Juan Atenco, Mexico hovers around 15°C (60°F). Expect a minimum of 6°C (44°F) and a maximum of 24°C (76°F). With an average humidity of 82%, you might want to prepare for a wet experience, as precipitation typically reaches 237 mm (9.3 in) over 24 days. Be ready for a cozy yet occasionally rainy month!
In September in San Juan Atenco, the average temperature is 15°C (60°F). Maximums can reach 24°C (76°F), while minimums can dip as low as 6°C (44°F). This mild climate makes San Juan Atenco a perfect destination for travelers seeking comfortable weather.
In San Juan Atenco in September, the precipitation amount is 237 mm (9.3 in) over the course of 24 days.
In San Juan Atenco in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.
In San Juan Atenco in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Juan Atenco.
UV Risk Categories
Weather in San Juan Atenco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Juan Atenco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (53°F) | 12 mm (0.5 inches) | 84% | very high |
| February Weather | 13°C (56°F) | 8 mm (0.3 inches) | 78% | extreme |
| March Weather | 15°C (59°F) | 29 mm (1.1 inches) | 75% | extreme |
| April Weather | 16°C (61°F) | 74 mm (2.9 inches) | 70% | extreme |
| May Weather | 16°C (62°F) | 134 mm (5.3 inches) | 77% | extreme |
| June Weather | 16°C (60°F) | 237 mm (9.3 inches) | 76% | extreme |
| July Weather | 15°C (59°F) | 142 mm (5.6 inches) | 68% | extreme |
| August Weather | 15°C (60°F) | 192 mm (7.5 inches) | 70% | extreme |
| September Weather | 15°C (60°F) | 237 mm (9.3 inches) | 82% | extreme |
| October Weather | 15°C (59°F) | 109 mm (4.3 inches) | 91% | extreme |
| November Weather | 13°C (56°F) | 30 mm (1.2 inches) | 89% | extreme |
| December Weather | 12°C (54°F) | 9 mm (0.4 inches) | 88% | very high |