Last updated: March 2, 2024
The weather in Alta Vista, Mexico, during September is characterized by an average temperature of 25°C (78°F). Highs can soar to 36°C (97°F), while lows may dip to 16°C (61°F). Typically, the humidity level in Alta Vista throughout September hovers around 86%.
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Average temperature
Maximum temperature
Humidity
In September, Alta Vista averages 73 mm (2.9 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 12 hours 16 minutes of daylight, with the sun shining for approximately 9 hours 46 minutes each day. Additionally, there is a 65% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Alta Vista reaches a maximum of 12, 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 | 11 | 12 | 11 | 8 | 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 | |||||