Last updated: August 27, 2025
In Santa Maria, Mexico, the average temperature in September hovers around 20°C (67°F). During this time, temperatures can dip to a minimum of 9°C (48°F) and reach a maximum of 29°C (85°F). Be prepared for somewhat soggy conditions, as precipitation amounts to 174 mm (6.9 in) over approximately 22 days. With an average humidity level of 84%, the air can feel quite muggy, making it essential to stay hydrated and comfortable!
In September in Santa Maria, the average temperature is 20°C (67°F). Maximums can reach 29°C (85°F), and minimums can drop to as low as 9°C (48°F). This mild and pleasant weather makes Santa Maria an ideal destination for travelers seeking a comfortable climate.
In Santa Maria in September, the precipitation amount is 174 mm (6.9 in) distributed over 22 days.
In Santa Maria in September humidity is 84%. With an average temperature of 20°C (67°F), this humidity feels like walking through a warm, thick blanket that wraps around you, making travel feel heavy and sticky while also creating a sensation of warmth that can lead to exhaustion if you're not careful.
In Santa Maria in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. 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 (56°F) | 24 mm (1.0 inches) | 88% | very high |
| February Weather | 16°C (60°F) | 21 mm (0.8 inches) | 86% | extreme |
| March Weather | 18°C (64°F) | 30 mm (1.2 inches) | 83% | extreme |
| April Weather | 20°C (68°F) | 55 mm (2.1 inches) | 80% | extreme |
| May Weather | 22°C (71°F) | 75 mm (2.9 inches) | 82% | extreme |
| June Weather | 21°C (69°F) | 147 mm (5.8 inches) | 79% | extreme |
| July Weather | 20°C (68°F) | 123 mm (4.8 inches) | 72% | extreme |
| August Weather | 20°C (69°F) | 129 mm (5.1 inches) | 74% | extreme |
| September Weather | 20°C (67°F) | 174 mm (6.9 inches) | 84% | extreme |
| October Weather | 18°C (65°F) | 138 mm (5.4 inches) | 92% | extreme |
| November Weather | 15°C (60°F) | 47 mm (1.8 inches) | 91% | very high |
| December Weather | 14°C (57°F) | 15 mm (0.6 inches) | 91% | very high |