Last updated: August 27, 2025
In September, the average temperature in San Mateo Atarasquillo, Mexico hovers around 14°C (57°F), with a comfortable range from a minimum of 4°C (39°F) to a pleasant maximum of 23°C (73°F). However, be prepared for a bit of rain, as 260 mm (10.2 in) of precipitation is expected over 26 days, contributing to an average humidity of 82%. Pack accordingly to make the most of your visit!
In September in San Mateo Atarasquillo, the average temperature is 14°C (57°F). Maximum temperatures can reach 23°C (73°F), while the minimum can drop to as low as 4°C (39°F). Be sure to pack layers to stay comfortable while exploring.
In San Mateo Atarasquillo in September, the precipitation amount is 260 mm (10.2 in) spread over 26 days.
In San Mateo Atarasquillo in September, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.
In San Mateo Atarasquillo 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 Mateo Atarasquillo.
UV Risk Categories
Weather in San Mateo Atarasquillo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Mateo Atarasquillo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (50°F) | 16 mm (0.6 inches) | 84% | very high |
| February Weather | 11°C (53°F) | 21 mm (0.8 inches) | 78% | extreme |
| March Weather | 13°C (56°F) | 38 mm (1.5 inches) | 75% | extreme |
| April Weather | 14°C (58°F) | 60 mm (2.4 inches) | 70% | extreme |
| May Weather | 15°C (59°F) | 92 mm (3.6 inches) | 77% | extreme |
| June Weather | 15°C (59°F) | 204 mm (8.0 inches) | 76% | extreme |
| July Weather | 14°C (57°F) | 323 mm (12.7 inches) | 68% | extreme |
| August Weather | 14°C (57°F) | 332 mm (13.1 inches) | 70% | extreme |
| September Weather | 14°C (57°F) | 260 mm (10.2 inches) | 82% | extreme |
| October Weather | 13°C (56°F) | 106 mm (4.2 inches) | 91% | extreme |
| November Weather | 11°C (53°F) | 34 mm (1.3 inches) | 89% | very high |
| December Weather | 10°C (51°F) | 8 mm (0.3 inches) | 88% | very high |