Last updated: March 2, 2024
The weather in Alto, Italy, during September is characterized by an average temperature of 19°C (66°F). Highs can soar to 25°C (78°F), while lows may dip to 12°C (53°F). Typically, the humidity level in Alto throughout September hovers around 70%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Alto averages 81 mm (3.2 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 22 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Alto reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||