Last updated: March 2, 2024
The weather in Castel San Giorgio, Italy, during September is characterized by an average temperature of 21°C (71°F). Highs can soar to 27°C (82°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Castel San Giorgio throughout September hovers around 65%.
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Humidity
In September, Castel San Giorgio averages 106 mm (4.2 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 25 minutes of daylight, with the sun shining for approximately 11 hours 5 minutes each day. Additionally, there is a 55% probability of sunny days during this period.
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In September, the UV Index in Castel San Giorgio reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 2 | 4 | 6 | 7 | 8 | 7 | 6 | 4 | 2 | 1 | 1 |
| 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 | ||||||