Last updated: March 2, 2024
The weather in Sao Sebastiao, Brazil, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 31°C (87°F), while lows may dip to 20°C (68°F). Typically, the humidity level in Sao Sebastiao throughout September hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Sao Sebastiao averages 52 mm (2.1 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 2 minutes of daylight, with the sun shining for approximately 11 hours 6 minutes each day. Additionally, there is a 47% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Sao Sebastiao reaches a maximum of 13, 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 | 2 | 5 | 8 | 12 | 13 | 12 | 10 | 6 | 3 | 1 | 1 | 0 | 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 | |||||