Last updated: March 2, 2024
The weather in San Lorenzo, Peru, during September is characterized by an average temperature of 5°C (42°F). Highs can soar to 13°C (55°F), while lows may dip to -2°C (29°F). Typically, the humidity level in San Lorenzo throughout September hovers around 40%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, San Lorenzo averages 97 mm (3.8 inches) of rainfall, typically over the course of 25 rainy days. The month enjoys an average of 12 hours 1 minutes of daylight, with the sun shining for approximately 10 hours 32 minutes each day. Additionally, there is a 20% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in San Lorenzo reaches a maximum of 17, 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 | 4 | 8 | 12 | 16 | 17 | 15 | 11 | 7 | 3 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 25 min | 30 min | 45 min | ||||||