Last updated: March 2, 2024
The weather in Mont-Joli, Canada, during September is characterized by an average temperature of 13°C (56°F). Highs can soar to 23°C (74°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Mont-Joli throughout September hovers around 85%.
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Average temperature
Maximum temperature
Humidity
In September, Mont-Joli averages 87 mm (3.4 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 31 minutes of daylight, with the sun shining for approximately 8 hours 36 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Mont-Joli reaches a maximum of 6, 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 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||