Last updated: March 2, 2024
The weather in Sugar Grove, United States, during September is characterized by an average temperature of 19°C (66°F). Highs can soar to 28°C (83°F), while lows may dip to 7°C (46°F). Typically, the humidity level in Sugar Grove throughout September hovers around 68%.
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Average temperature
Maximum temperature
Humidity
In September, Sugar Grove averages 102 mm (4.0 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 21 minutes of daylight, with the sun shining for approximately 9 hours 34 minutes each day. Additionally, there is a 52% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Sugar Grove reaches a maximum of 10, 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 | 7 | 9 | 10 | 9 | 8 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||