Last updated: March 2, 2024
The weather in Las Piedras, Mexico, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 31°C (89°F), while lows may dip to 21°C (69°F). Typically, the humidity level in Las Piedras throughout September hovers around 78%.
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Average temperature
Maximum temperature
Humidity
In September, Las Piedras averages 391 mm (15.4 inches) of rainfall, typically over the course of 29 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 8 hours 38 minutes each day. Additionally, there is a 18% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Las Piedras 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 | 2 | 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 | |||||