Last updated: March 2, 2024
The weather in Florianopolis, Brazil, during September is characterized by an average temperature of 19°C (67°F). Highs can soar to 26°C (79°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Florianopolis throughout September hovers around 82%.
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Average temperature
Maximum temperature
Humidity
In September, Florianopolis averages 88 mm (3.5 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 8 hours 7 minutes each day. Additionally, there is a 26% probability of sunny days during this period.
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Rainy days
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Chance of sun
In September, the UV Index in Florianopolis 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 | 5 | 7 | 9 | 10 | 9 | 7 | 5 | 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 | ||||||