Last updated: March 2, 2024
The weather in San Jeronimo, Mexico, during September is characterized by an average temperature of 16°C (62°F). Highs can soar to 26°C (78°F), while lows may dip to 9°C (49°F). Typically, the humidity level in San Jeronimo throughout September hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In September, San Jeronimo averages 241 mm (9.5 inches) of rainfall, typically over the course of 25 rainy days. The month enjoys an average of 12 hours 14 minutes of daylight, with the sun shining for approximately 8 hours 46 minutes each day. Additionally, there is a 27% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in San Jeronimo reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, 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 | 1 | 3 | 6 | 10 | 12 | 13 | 12 | 9 | 6 | 3 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||