Last updated: August 27, 2025
In September, the average temperature in Cerro de San Pedro, Mexico hovers around 19°C (67°F), providing a pleasant climate. Expect minimum temperatures to dip to 11°C (51°F), while daytime highs can reach up to 32°C (90°F). However, don't forget your umbrella, as this month typically sees about 91 mm (3.6 in) of precipitation over 15 days, coupled with an average humidity of 81%.
In September in Cerro de San Pedro, the average temperature is 19°C (67°F). Maximums can reach 32°C (90°F), and minimums can be as low as 11°C (51°F). This makes it an ideal time for travelers looking to enjoy mild weather while exploring the area.
In Cerro de San Pedro in September, the total precipitation amount is 91 mm (3.6 in) over a span of 15 days.
In Cerro de San Pedro in September humidity is 81%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick, prompting you to seek shade and hydration frequently.
In Cerro de San Pedro 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 Cerro de San Pedro.
UV Risk Categories
Weather in Cerro de San Pedro varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cerro de San Pedro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 10 mm (0.4 inches) | 75% | very high |
| February Weather | 16°C (60°F) | 11 mm (0.4 inches) | 69% | extreme |
| March Weather | 18°C (64°F) | 14 mm (0.6 inches) | 65% | extreme |
| April Weather | 20°C (69°F) | 17 mm (0.7 inches) | 64% | extreme |
| May Weather | 22°C (72°F) | 49 mm (1.9 inches) | 75% | extreme |
| June Weather | 21°C (70°F) | 92 mm (3.6 inches) | 78% | extreme |
| July Weather | 20°C (69°F) | 93 mm (3.7 inches) | 67% | extreme |
| August Weather | 21°C (69°F) | 52 mm (2.1 inches) | 64% | extreme |
| September Weather | 19°C (67°F) | 91 mm (3.6 inches) | 81% | extreme |
| October Weather | 18°C (64°F) | 66 mm (2.6 inches) | 85% | extreme |
| November Weather | 15°C (59°F) | 21 mm (0.8 inches) | 87% | very high |
| December Weather | 13°C (56°F) | 10 mm (0.4 inches) | 87% | very high |