Last updated: August 27, 2025
In September, the average temperature in San Pedro, Mexico hovers around 28°C (83°F), making it a warm destination. While you can expect minimum temperatures to dip to 20°C (69°F), the maximum can soar to a sizzling 37°C (99°F). During this month, the region experiences an average precipitation of 113 mm (4.5 in) over 10 days, coupled with a humidity level of approximately 74%. Perfect for those who enjoy warm climates!
In September in San Pedro, the average temperature is 28°C (83°F). The maximum can reach 37°C (99°F), while the minimum can drop to as low as 20°C (69°F). It's a great time to explore outdoor activities while enjoying warm weather and pleasant evenings.
In San Pedro in September, the total precipitation amount is 113 mm (4.5 in) over the course of 10 days.
In San Pedro in September, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.
In San Pedro 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 San Pedro.
UV Risk Categories
Weather in San Pedro varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Pedro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 18°C (64°F) | 9 mm (0.3 inches) | 69% | high |
| February Weather | 18°C (65°F) | 14 mm (0.5 inches) | 66% | very high |
| March Weather | 20°C (69°F) | 2 mm (0.1 inches) | 64% | extreme |
| April Weather | 23°C (73°F) | 0 mm (0.0 inches) | 64% | extreme |
| May Weather | 24°C (76°F) | 0 mm (0.0 inches) | 66% | extreme |
| June Weather | 27°C (81°F) | 7 mm (0.3 inches) | 67% | extreme |
| July Weather | 29°C (85°F) | 17 mm (0.7 inches) | 72% | extreme |
| August Weather | 30°C (86°F) | 56 mm (2.2 inches) | 73% | extreme |
| September Weather | 28°C (83°F) | 113 mm (4.5 inches) | 74% | extreme |
| October Weather | 27°C (80°F) | 10 mm (0.4 inches) | 75% | very high |
| November Weather | 23°C (74°F) | 22 mm (0.9 inches) | 73% | very high |
| December Weather | 19°C (67°F) | 18 mm (0.7 inches) | 72% | high |