Last updated: March 2, 2024
The weather in San Antonio Portezuelo, Mexico, during September is characterized by an average temperature of 17°C (63°F). Highs can soar to 26°C (78°F), while lows may dip to 9°C (49°F). Typically, the humidity level in San Antonio Portezuelo throughout September hovers around 82%.
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In September, San Antonio Portezuelo averages 229 mm (9.0 inches) of rainfall, typically over the course of 23 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 25 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
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In September, the UV Index in San Antonio Portezuelo reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 2 | 5 | 9 | 13 | 15 | 14 | 12 | 8 | 4 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||