Last updated: March 2, 2024
The weather in El Rosario, Mexico, during September is characterized by an average temperature of 26°C (79°F). Highs can soar to 32°C (91°F), while lows may dip to 21°C (71°F). Typically, the humidity level in El Rosario throughout September hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In September, El Rosario averages 220 mm (8.7 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 36 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in El Rosario reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 12 | 11 | 9 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||