Last updated: March 2, 2024
The weather in San Borja, Bolivia, during September is characterized by an average temperature of 28°C (82°F). Highs can soar to 39°C (103°F), while lows may dip to 17°C (64°F). Typically, the humidity level in San Borja throughout September hovers around 43%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, San Borja averages 79 mm (3.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 0 minutes of daylight, with the sun shining for approximately 9 hours 53 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in San Borja reaches a maximum of 13, 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 | 5 | 8 | 11 | 13 | 12 | 10 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||