Last updated: March 2, 2024
The weather in El Castillo, Mexico, during September is characterized by an average temperature of 24°C (75°F). Highs can soar to 31°C (88°F), while lows may dip to 18°C (64°F). Typically, the humidity level in El Castillo throughout September hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, El Castillo averages 258 mm (10.2 inches) of rainfall, typically over the course of 26 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 32 minutes each day. Additionally, there is a 22% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in El Castillo 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 | 9 | 12 | 13 | 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 | ||||||