Last updated: August 27, 2025
In September, the average temperature in Santa Maria Tonaya, Mexico is a pleasant 18°C (65°F), with minimums dipping to 11°C (52°F) and maximums reaching up to 28°C (82°F). Expect a significant precipitation amount of 454 mm (17.9 in) across 29 days, contributing to an overall average humidity level of 82%. Enjoy the balmy climate, but don’t forget your umbrella!
In September in Santa Maria Tonaya, the average temperature is 18°C (65°F). The maximum can reach 28°C (82°F), while the minimum can be as low as 11°C (52°F). This mild climate makes it an ideal time for exploring and enjoying outdoor activities.
In Santa Maria Tonaya in September, the total precipitation amount is 454 mm (17.9 in), occurring over a period of 29 days.
In Santa Maria Tonaya in September, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.
In Santa Maria Tonaya 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 Tonaya, you can check here.
UV Risk Categories
Weather in Santa Maria Tonaya varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Maria Tonaya, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 25 mm (1.0 inches) | 65% | very high |
| February Weather | 17°C (63°F) | 8 mm (0.3 inches) | 61% | extreme |
| March Weather | 18°C (65°F) | 26 mm (1.0 inches) | 59% | extreme |
| April Weather | 19°C (66°F) | 53 mm (2.1 inches) | 62% | extreme |
| May Weather | 19°C (67°F) | 180 mm (7.1 inches) | 73% | extreme |
| June Weather | 18°C (65°F) | 365 mm (14.4 inches) | 78% | extreme |
| July Weather | 18°C (65°F) | 352 mm (13.9 inches) | 79% | extreme |
| August Weather | 18°C (65°F) | 419 mm (16.5 inches) | 82% | extreme |
| September Weather | 18°C (65°F) | 454 mm (17.9 inches) | 82% | extreme |
| October Weather | 18°C (65°F) | 268 mm (10.6 inches) | 79% | extreme |
| November Weather | 18°C (64°F) | 58 mm (2.3 inches) | 72% | very high |
| December Weather | 17°C (62°F) | 34 mm (1.3 inches) | 70% | very high |