Last updated: March 2, 2024
The weather in San Bartolomeo, Italy, during September is characterized by an average temperature of 20°C (69°F). Highs can soar to 31°C (88°F), while lows may dip to 10°C (49°F). Typically, the humidity level in San Bartolomeo throughout September hovers around 66%.
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Humidity
In September, San Bartolomeo averages 92 mm (3.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 28 minutes of daylight, with the sun shining for approximately 11 hours 15 minutes each day. Additionally, there is a 54% probability of sunny days during this period.
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In September, the UV Index in San Bartolomeo 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 | 6 | 6 | 6 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||