Last updated: August 27, 2025
In September, the average temperature in San Andres Cacaloapan, Mexico hovers around 18°C (66°F), with minimums dipping to 9°C (49°F) and reaching maximums of 29°C (84°F). Expect a precipitation total of 176 mm (6.9 in) spread over 20 days, accompanied by a notable average humidity of 82%.
In September in San Andres Cacaloapan, the average temperature is 18°C (66°F). Maximums can reach 29°C (84°F) and minimums can be as low as 9°C (49°F). This pleasant climate makes San Andres Cacaloapan an ideal destination for outdoor activities and exploration during this time of year.
In San Andres Cacaloapan in September, the precipitation amount is 176 mm (6.9 in) spread over the course of 20 days.
In San Andres Cacaloapan in September, humidity is 82%. With an average temperature of 18°C (66°F), this humidity feels like a warm blanket enveloping you, making travel feel both refreshing and slightly heavy, as you meander through the sights with a gentle sheen on your skin.
In San Andres Cacaloapan 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 Andres Cacaloapan, you can check here.
UV Risk Categories
Weather in San Andres Cacaloapan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Andres Cacaloapan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 14°C (58°F) | 6 mm (0.2 inches) | 84% | very high |
| February Weather | 16°C (62°F) | 5 mm (0.2 inches) | 78% | extreme |
| March Weather | 17°C (64°F) | 15 mm (0.6 inches) | 75% | extreme |
| April Weather | 19°C (67°F) | 47 mm (1.8 inches) | 70% | extreme |
| May Weather | 20°C (68°F) | 107 mm (4.2 inches) | 77% | extreme |
| June Weather | 19°C (66°F) | 185 mm (7.3 inches) | 76% | extreme |
| July Weather | 18°C (65°F) | 82 mm (3.2 inches) | 68% | extreme |
| August Weather | 19°C (66°F) | 107 mm (4.2 inches) | 70% | extreme |
| September Weather | 18°C (66°F) | 176 mm (6.9 inches) | 82% | extreme |
| October Weather | 18°C (64°F) | 74 mm (2.9 inches) | 91% | extreme |
| November Weather | 16°C (61°F) | 17 mm (0.7 inches) | 89% | very high |
| December Weather | 15°C (59°F) | 3 mm (0.1 inches) | 88% | very high |