Last updated: March 2, 2024
The weather in Silverton, United States, during September is characterized by an average temperature of 8°C (47°F). Highs can soar to 21°C (69°F), while lows may dip to -7°C (20°F). Typically, the humidity level in Silverton throughout September hovers around 59%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Silverton averages 71 mm (2.8 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 10 hours 19 minutes each day. Additionally, there is a 66% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Silverton reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 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 | 3 | 5 | 8 | 10 | 11 | 10 | 8 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||