Last updated: March 2, 2024
The weather in Castel San Niccolo, Italy, during September is characterized by an average temperature of 17°C (64°F). Highs can soar to 28°C (82°F), while lows may dip to 7°C (44°F). Typically, the humidity level in Castel San Niccolo throughout September hovers around 66%.
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Humidity
In September, Castel San Niccolo averages 96 mm (3.8 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 27 minutes of daylight, with the sun shining for approximately 11 hours 15 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 San Niccolo reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 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 | 3 | 5 | 7 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||