Last updated: March 2, 2024
The weather in Jasper, Canada, during September is characterized by an average temperature of 5°C (41°F). Highs can soar to 21°C (70°F), while lows may dip to -7°C (20°F). Typically, the humidity level in Jasper throughout September hovers around 83%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Jasper averages 86 mm (3.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 35 minutes of daylight, with the sun shining for approximately 7 hours 20 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Jasper 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 | 0 | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||