Last updated: March 2, 2024
The weather in Rocky Mountain House, Canada, during September is characterized by an average temperature of 10°C (49°F). Highs can soar to 25°C (78°F), while lows may dip to -2°C (28°F). Typically, the humidity level in Rocky Mountain House throughout September hovers around 78%.
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Average temperature
Maximum temperature
Humidity
In September, Rocky Mountain House averages 71 mm (2.8 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 34 minutes of daylight, with the sun shining for approximately 7 hours 45 minutes each day. Additionally, there is a 44% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Rocky Mountain House reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 3 | 4 | 5 | 6 | 6 | 5 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||