Last updated: March 2, 2024
The weather in Isla Mujeres, Mexico, during September is characterized by an average temperature of 28°C (83°F). Highs can soar to 29°C (85°F), while lows may dip to 26°C (79°F). Typically, the humidity level in Isla Mujeres throughout September hovers around 76%.
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Average temperature
Maximum temperature
Humidity
In September, Isla Mujeres averages 117 mm (4.6 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 10 hours 33 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Isla Mujeres 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 | 2 | 4 | 7 | 10 | 12 | 12 | 11 | 8 | 5 | 2 | 1 | 0 |
| 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 | |||||