Last updated: June 18, 2025
In Westlock, Canada, the average temperature in September hovers around 10°C (50°F). Expect a chilly minimum of -4°C (26°F), while the mercury can rise to a pleasant 29°C (84°F). During this month, you'll encounter approximately 38 mm (1.5 in) of precipitation spread over 8 days, accompanied by an average humidity of 73%.
In September, in Westlock, the average temperature is 10°C (50°F), with a maximum reaching 29°C (84°F) and a minimum dipping as low as -4°C (26°F). Be prepared for a range of weather conditions when traveling during this month.
In Westlock in September, the total precipitation amount is 38 mm (1.5 in), spread over 8 days.
In Westlock in September, humidity is 73%. With an average temperature of 10°C (50°F), this humidity feels like a chilly, damp embrace, making it essential to layer your clothing while traveling, as the moisture in the air can quickly chill you to the bone.
In Westlock in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Westlock, you can refer to this Hourly UV Index in Westlock.
UV Risk Categories
Weather in Westlock varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Westlock, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -11°C (12°F) | 19 mm (0.7 inches) | 88% | low |
February Weather | -13°C (9°F) | 20 mm (0.8 inches) | 93% | low |
March Weather | -5°C (23°F) | 20 mm (0.8 inches) | 90% | moderate |
April Weather | 2°C (36°F) | 32 mm (1.3 inches) | 78% | moderate |
May Weather | 11°C (52°F) | 46 mm (1.8 inches) | 70% | high |
June Weather | 15°C (59°F) | 109 mm (4.3 inches) | 70% | high |
July Weather | 17°C (63°F) | 106 mm (4.2 inches) | 79% | very high |
August Weather | 15°C (60°F) | 65 mm (2.6 inches) | 78% | high |
September Weather | 10°C (50°F) | 38 mm (1.5 inches) | 73% | high |
October Weather | 3°C (37°F) | 31 mm (1.2 inches) | 81% | moderate |
November Weather | -5°C (23°F) | 36 mm (1.4 inches) | 85% | low |
December Weather | -10°C (15°F) | 19 mm (0.8 inches) | 93% | low |