Last updated: August 27, 2025
In September, the average temperature in Santa Maria Asuncion, Mexico is a pleasant 18°C (64°F), with a minimum of 11°C (52°F) and a maximum reaching 27°C (82°F). Expect an average humidity of 82%, along with a significant precipitation amount of 478 mm (18.8 in) spread over 29 days. Be prepared for a mix of weather as you enjoy your time in this vibrant locale!
In September in Santa Maria Asuncion, the average temperature is 18°C (64°F). Maximums can reach 27°C (82°F) and minimums can drop to as low as 11°C (52°F). This mild climate makes Santa Maria Asuncion an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.
In Santa Maria Asuncion in September, the precipitation amount is 478 mm (18.8 in) spread over 29 days.
In Santa Maria Asuncion in September humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.
In Santa Maria Asuncion 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 Santa Maria Asuncion, you can check here.
UV Risk Categories
Weather in Santa Maria Asuncion varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Maria Asuncion, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 15°C (59°F) | 15 mm (0.6 inches) | 65% | very high |
| February Weather | 16°C (61°F) | 3 mm (0.1 inches) | 61% | extreme |
| March Weather | 17°C (63°F) | 24 mm (0.9 inches) | 59% | extreme |
| April Weather | 18°C (64°F) | 57 mm (2.3 inches) | 62% | extreme |
| May Weather | 18°C (65°F) | 184 mm (7.2 inches) | 73% | extreme |
| June Weather | 18°C (64°F) | 387 mm (15.2 inches) | 78% | extreme |
| July Weather | 17°C (64°F) | 359 mm (14.1 inches) | 79% | extreme |
| August Weather | 17°C (64°F) | 439 mm (17.3 inches) | 82% | extreme |
| September Weather | 18°C (64°F) | 478 mm (18.8 inches) | 82% | extreme |
| October Weather | 17°C (63°F) | 241 mm (9.5 inches) | 79% | extreme |
| November Weather | 16°C (62°F) | 43 mm (1.7 inches) | 72% | very high |
| December Weather | 15°C (60°F) | 18 mm (0.7 inches) | 70% | very high |