Last updated: March 2, 2024
The weather in San Cristobal, Mexico, during September is characterized by an average temperature of 20°C (68°F). Highs can soar to 28°C (83°F), while lows may dip to 13°C (55°F). Typically, the humidity level in San Cristobal throughout September hovers around 84%.
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Average temperature
Maximum temperature
Humidity
In September, San Cristobal averages 238 mm (9.4 inches) of rainfall, typically over the course of 25 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 8 hours 48 minutes each day. Additionally, there is a 13% 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 San Cristobal reaches a maximum of 13, 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 | 13 | 13 | 11 | 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 | ||||||