Last updated: August 27, 2025
In September, the average temperature in Santa Maria, Mexico hovers around 24°C (75°F). Expect a range from a cool 13°C (55°F) to a sweltering 37°C (99°F). With 84 mm (3.3 in) of precipitation spread over 11 days, you may want to prepare for some rain. Additionally, humidity is typically high at 86%, creating a warm, tropical atmosphere.
In September in Santa Maria, the average temperature is 24°C (75°F). The maximum can reach 37°C (99°F) and the minimum can be as low as 13°C (55°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while comfortably experiencing the warm climate.
In Santa Maria, in September, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.
In Santa Maria in September, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.
In Santa Maria in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santa Maria.
UV Risk Categories
Weather in Santa Maria varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Maria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 4 mm (0.1 inches) | 75% | high |
| February Weather | 16°C (61°F) | 3 mm (0.1 inches) | 65% | very high |
| March Weather | 20°C (68°F) | 5 mm (0.2 inches) | 58% | extreme |
| April Weather | 23°C (74°F) | 4 mm (0.1 inches) | 48% | extreme |
| May Weather | 27°C (81°F) | 5 mm (0.2 inches) | 48% | extreme |
| June Weather | 29°C (84°F) | 21 mm (0.8 inches) | 54% | extreme |
| July Weather | 27°C (80°F) | 48 mm (1.9 inches) | 72% | extreme |
| August Weather | 27°C (81°F) | 56 mm (2.2 inches) | 77% | extreme |
| September Weather | 24°C (75°F) | 84 mm (3.3 inches) | 86% | extreme |
| October Weather | 21°C (71°F) | 29 mm (1.1 inches) | 82% | very high |
| November Weather | 17°C (63°F) | 11 mm (0.4 inches) | 85% | very high |
| December Weather | 13°C (55°F) | 15 mm (0.6 inches) | 87% | high |