Last updated: March 2, 2024
The weather in Castel San Lorenzo, Italy, during September is characterized by an average temperature of 20°C (68°F). Highs can soar to 28°C (83°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Castel San Lorenzo throughout September hovers around 66%.
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Average temperature
Maximum temperature
Humidity
In September, Castel San Lorenzo averages 89 mm (3.5 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 25 minutes of daylight, with the sun shining for approximately 11 hours 13 minutes each day. Additionally, there is a 56% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Castel San Lorenzo 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 | 5 | 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 | ||||||