Last updated: March 2, 2024
The weather in Montemorelos, Mexico, during September is characterized by an average temperature of 26°C (79°F). Highs can soar to 37°C (99°F), while lows may dip to 18°C (64°F). Typically, the humidity level in Montemorelos throughout September hovers around 75%.
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Average temperature
Maximum temperature
Humidity
In September, Montemorelos averages 147 mm (5.8 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 12 hours 15 minutes of daylight, with the sun shining for approximately 9 hours 39 minutes each day. Additionally, there is a 53% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Montemorelos reaches a maximum of 11, 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 | 4 | 7 | 10 | 11 | 11 | 10 | 7 | 4 | 2 | 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 | ||||