Last updated: March 2, 2024
The weather in Stelvio, Italy, during September is characterized by an average temperature of 6°C (43°F). Highs can soar to 16°C (62°F), while lows may dip to -6°C (21°F). Typically, the humidity level in Stelvio throughout September hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In September, Stelvio averages 92 mm (3.6 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 12 hours 29 minutes of daylight, with the sun shining for approximately 10 hours 34 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Stelvio 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 | 5 | 7 | 8 | 7 | 6 | 4 | 2 | 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 | ||||||