Last updated: March 2, 2024
The weather in Rio do Sul, Brazil, during September is characterized by an average temperature of 18°C (64°F). Highs can soar to 30°C (86°F), while lows may dip to 8°C (46°F). Typically, the humidity level in Rio do Sul throughout September hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Rio do Sul averages 100 mm (4.0 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 56 minutes of daylight, with the sun shining for approximately 7 hours 4 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Rio do Sul reaches a maximum of 11, 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 | 4 | 7 | 10 | 11 | 10 | 8 | 5 | 2 | 1 | 1 | 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 | |||||