Last updated: March 2, 2024
The weather in Montagna in Valtellina, Italy, during September is characterized by an average temperature of 10°C (50°F). Highs can soar to 19°C (67°F), while lows may dip to -2°C (28°F). Typically, the humidity level in Montagna in Valtellina throughout September hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In September, Montagna in Valtellina averages 115 mm (4.5 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 29 minutes of daylight, with the sun shining for approximately 10 hours 30 minutes each day. Additionally, there is a 32% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Montagna in Valtellina 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 | 6 | 4 | 3 | 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 | ||||||