Last updated: March 2, 2024
The weather in Cetlalpan, Mexico, during September is characterized by an average temperature of 19°C (67°F). Highs can soar to 26°C (79°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Cetlalpan throughout September hovers around 86%.
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Average temperature
Maximum temperature
Humidity
In September, Cetlalpan averages 251 mm (9.9 inches) of rainfall, typically over the course of 25 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 37 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Cetlalpan 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 | 13 | 14 | 14 | 12 | 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 | ||||||