Last updated: March 2, 2024
The weather in Chapultepec, Mexico, during September is characterized by an average temperature of 26°C (79°F). Highs can soar to 34°C (93°F), while lows may dip to 19°C (67°F). Typically, the humidity level in Chapultepec throughout September hovers around 84%.
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Average temperature
Maximum temperature
Humidity
In September, Chapultepec averages 326 mm (12.8 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 9 hours 19 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
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Rainy days
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Chance of sun
In September, the UV Index in Chapultepec reaches a maximum of 12, 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 | 11 | 12 | 12 | 10 | 7 | 4 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||