Last updated: March 2, 2024
The weather in Sao Jose, Brazil, during September is characterized by an average temperature of 18°C (65°F). Highs can soar to 32°C (89°F), while lows may dip to 8°C (47°F). Typically, the humidity level in Sao Jose throughout September hovers around 86%.
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Average temperature
Maximum temperature
Humidity
In September, Sao Jose averages 147 mm (5.8 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 11 hours 55 minutes of daylight, with the sun shining for approximately 7 hours 26 minutes each day. Additionally, there is a 26% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Sao Jose reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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 | 4 | 7 | 9 | 10 | 9 | 7 | 4 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||