Last updated: August 27, 2025
In September, the average temperature in Santa Maria la Alta, Mexico hovers around 20°C (68°F). However, be prepared for a range that can dip to a cool 11°C (52°F) and soar up to a warm 30°C (86°F). With 201 mm (7.9 in) of rainfall spread over 20 days, the atmosphere is quite humid, averaging around 82%. Whether you're enjoying the warm afternoons or the refreshing evenings, make sure to pack accordingly!
In September in Santa Maria la Alta, the average temperature is 20°C (68°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 11°C (52°F). This pleasant weather makes it an ideal time for exploring outdoor activities and enjoying the local attractions.
In Santa Maria la Alta in September, the precipitation amount is 201 mm (7.9 in) over the course of 20 days.
In Santa Maria la Alta in September humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.
In Santa Maria la Alta 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 la Alta, you can check here.
UV Risk Categories
Weather in Santa Maria la Alta varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Maria la Alta, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 4 mm (0.1 inches) | 84% | very high |
| February Weather | 18°C (65°F) | 3 mm (0.1 inches) | 78% | extreme |
| March Weather | 19°C (67°F) | 12 mm (0.5 inches) | 75% | extreme |
| April Weather | 21°C (70°F) | 35 mm (1.4 inches) | 70% | extreme |
| May Weather | 22°C (71°F) | 99 mm (3.9 inches) | 77% | extreme |
| June Weather | 20°C (69°F) | 188 mm (7.4 inches) | 76% | extreme |
| July Weather | 20°C (68°F) | 97 mm (3.8 inches) | 68% | extreme |
| August Weather | 20°C (69°F) | 130 mm (5.1 inches) | 70% | extreme |
| September Weather | 20°C (68°F) | 201 mm (7.9 inches) | 82% | extreme |
| October Weather | 19°C (67°F) | 72 mm (2.8 inches) | 91% | extreme |
| November Weather | 18°C (64°F) | 14 mm (0.6 inches) | 89% | very high |
| December Weather | 16°C (62°F) | 1 mm (0.1 inches) | 88% | very high |