Last updated: March 2, 2024
The weather in San Francisco de Borja, Mexico, during September is characterized by an average temperature of 19°C (67°F). Highs can soar to 29°C (85°F), while lows may dip to 10°C (50°F). Typically, the humidity level in San Francisco de Borja throughout September hovers around 86%.
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Average temperature
Maximum temperature
Humidity
In September, San Francisco de Borja averages 96 mm (3.8 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 12 hours 16 minutes of daylight, with the sun shining for approximately 9 hours 39 minutes each day. Additionally, there is a 59% probability of sunny days during this period.
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In September, the UV Index in San Francisco de Borja 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 | 1 | 1 | 3 | 6 | 9 | 12 | 13 | 12 | 9 | 6 | 3 | 1 | 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 | ||||