Last updated: March 2, 2024
The weather in San Mateo Coapexco, Mexico, during September is characterized by an average temperature of 15°C (60°F). Highs can soar to 24°C (76°F), while lows may dip to 9°C (48°F). Typically, the humidity level in San Mateo Coapexco throughout September hovers around 82%.
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In September, San Mateo Coapexco averages 362 mm (14.2 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 11 minutes each day. Additionally, there is a 10% probability of sunny days during this period.
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In September, the UV Index in San Mateo Coapexco 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 | 12 | 15 | 15 | 12 | 9 | 5 | 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 | ||||||