Last updated: March 2, 2024
The weather in Hermalle-sous-Huy, Belgium, during September is characterized by an average temperature of 15°C (59°F). Highs can soar to 28°C (83°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Hermalle-sous-Huy throughout September hovers around 81%.
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Average temperature
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Humidity
In September, Hermalle-sous-Huy averages 68 mm (2.7 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 33 minutes of daylight, with the sun shining for approximately 10 hours 37 minutes each day. Additionally, there is a 38% probability of sunny days during this period.
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In September, the UV Index in Hermalle-sous-Huy reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||