Last updated: March 2, 2024
The weather in San Alejandro, Peru, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 37°C (99°F), while lows may dip to 20°C (69°F). Typically, the humidity level in San Alejandro throughout September hovers around 37%.
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Average temperature
Maximum temperature
Humidity
In September, San Alejandro averages 117 mm (4.6 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 2 minutes of daylight, with the sun shining for approximately 9 hours 35 minutes each day. Additionally, there is a 39% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in San Alejandro reaches a maximum of 14, 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 | 3 | 6 | 10 | 13 | 14 | 12 | 9 | 5 | 2 | 1 | 0 | 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 | |||||