Last updated: March 2, 2024
The weather in San Sebastian Rio Hondo, Mexico, during September is characterized by an average temperature of 18°C (65°F). Highs can soar to 26°C (78°F), while lows may dip to 12°C (54°F). Typically, the humidity level in San Sebastian Rio Hondo throughout September hovers around 84%.
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In September, San Sebastian Rio Hondo averages 635 mm (25.0 inches) of rainfall, typically over the course of 26 rainy days. The month enjoys an average of 12 hours 11 minutes of daylight, with the sun shining for approximately 9 hours 9 minutes each day. Additionally, there is a 8% probability of sunny days during this period.
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In September, the UV Index in San Sebastian Rio Hondo reaches a maximum of 15, 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 | 6 | 9 | 13 | 15 | 14 | 12 | 8 | 4 | 2 | 1 |
| Exposure | Low | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||