Last updated: March 2, 2024
The weather in Eagle River, United States, during September is characterized by an average temperature of 14°C (58°F). Highs can soar to 26°C (80°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Eagle River throughout September hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Eagle River averages 98 mm (3.9 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 28 minutes of daylight, with the sun shining for approximately 8 hours 40 minutes each day. Additionally, there is a 52% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Eagle River reaches a maximum of 7, 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 | 4 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||