Last updated: March 2, 2024
The weather in Santo Stefano in Vairano, Italy, during September is characterized by an average temperature of 20°C (67°F). Highs can soar to 30°C (86°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Santo Stefano in Vairano throughout September hovers around 74%.
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Average temperature
Maximum temperature
Humidity
In September, Santo Stefano in Vairano averages 143 mm (5.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 29 minutes of daylight, with the sun shining for approximately 11 hours 11 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Santo Stefano in Vairano reaches a maximum of 6, 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 | 4 | 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 | ||||||||