Last updated: March 2, 2024
The weather in Ribeirao Pires, Brazil, during September is characterized by an average temperature of 20°C (68°F). Highs can soar to 34°C (93°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Ribeirao Pires throughout September hovers around 58%.
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Humidity
In September, Ribeirao Pires averages 69 mm (2.7 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 57 minutes of daylight, with the sun shining for approximately 9 hours 40 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
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In September, the UV Index in Ribeirao Pires reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 9 | 11 | 11 | 10 | 8 | 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 | |||||