Last updated: March 2, 2024
The weather in Lac-Megantic, Canada, during September is characterized by an average temperature of 13°C (56°F). Highs can soar to 25°C (78°F), while lows may dip to 1°C (33°F). Typically, the humidity level in Lac-Megantic throughout September hovers around 77%.
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Humidity
In September, Lac-Megantic averages 79 mm (3.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 28 minutes of daylight, with the sun shining for approximately 9 hours 19 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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In September, the UV Index in Lac-Megantic 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 | 3 | 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 | ||||||||