Last updated: March 2, 2024
The weather in Corner Brook, Canada, during September is characterized by an average temperature of 13°C (55°F). Highs can soar to 22°C (72°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Corner Brook throughout September hovers around 87%.
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Average temperature
Maximum temperature
Humidity
In September, Corner Brook averages 123 mm (4.8 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 12 hours 31 minutes of daylight, with the sun shining for approximately 7 hours 22 minutes each day. Additionally, there is a 24% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Corner Brook 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 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||