Last updated: March 2, 2024
The weather in San Juan Atepec, Mexico, during September is characterized by an average temperature of 17°C (64°F). Highs can soar to 25°C (77°F), while lows may dip to 12°C (54°F). Typically, the humidity level in San Juan Atepec throughout September hovers around 84%.
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Average temperature
Maximum temperature
Humidity
In September, San Juan Atepec averages 446 mm (17.6 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 14 minutes each day. Additionally, there is a 8% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in San Juan Atepec reaches a maximum of 14, 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 | 14 | 13 | 11 | 7 | 4 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 25 min | 30 min | 45 min | ||||||