Last updated: March 2, 2024
The weather in Atotonilco el Grande, Mexico, during September is characterized by an average temperature of 17°C (63°F). Highs can soar to 25°C (78°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Atotonilco el Grande throughout September hovers around 84%.
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In September, Atotonilco el Grande averages 145 mm (5.7 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 8 hours 40 minutes each day. Additionally, there is a 13% probability of sunny days during this period.
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In September, the UV Index in Atotonilco el Grande 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 | 8 | 12 | 14 | 14 | 12 | 8 | 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 | ||||||