Last updated: August 27, 2025
In September, the average temperature in Santa Elena, Mexico is a pleasant 19°C (66°F). Expect a range with minimums dipping to 9°C (48°F) and maximums reaching up to 29°C (85°F). Be prepared for about 119 mm (4.7 in) of precipitation spread over 13 days, contributing to an average humidity of 81%.
In September in Santa Elena, the average temperature is 19°C (66°F). Maximum can reach 29°C (85°F) and minimum can be as low as 9°C (48°F). This makes it an ideal time for traveling, offering pleasant weather for outdoor activities and sightseeing.
In Santa Elena in September, the precipitation amount is 119 mm (4.7 in) spread over 13 days.
In Santa Elena in September, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.
In Santa Elena 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 Elena, you can check here.
UV Risk Categories
Weather in Santa Elena varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Elena, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 11 mm (0.4 inches) | 75% | very high |
| February Weather | 15°C (59°F) | 8 mm (0.3 inches) | 69% | extreme |
| March Weather | 18°C (65°F) | 5 mm (0.2 inches) | 65% | extreme |
| April Weather | 20°C (68°F) | 4 mm (0.2 inches) | 64% | extreme |
| May Weather | 22°C (72°F) | 22 mm (0.9 inches) | 75% | extreme |
| June Weather | 21°C (71°F) | 87 mm (3.4 inches) | 78% | extreme |
| July Weather | 20°C (69°F) | 99 mm (3.9 inches) | 67% | extreme |
| August Weather | 20°C (69°F) | 73 mm (2.9 inches) | 64% | extreme |
| September Weather | 19°C (66°F) | 119 mm (4.7 inches) | 81% | extreme |
| October Weather | 18°C (64°F) | 38 mm (1.5 inches) | 85% | extreme |
| November Weather | 15°C (60°F) | 12 mm (0.5 inches) | 87% | very high |
| December Weather | 13°C (55°F) | 10 mm (0.4 inches) | 87% | very high |