Last updated: March 2, 2024
The weather in Castel Sant'Angelo, Italy, during September is characterized by an average temperature of 17°C (62°F). Highs can soar to 26°C (79°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Castel Sant'Angelo throughout September hovers around 67%.
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Average temperature
Maximum temperature
Humidity
In September, Castel Sant'Angelo averages 91 mm (3.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 26 minutes of daylight, with the sun shining for approximately 11 hours 10 minutes each day. Additionally, there is a 51% probability of sunny days during this period.
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In September, the UV Index in Castel Sant'Angelo 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 | ||||||