Last updated: June 18, 2025
In Sundre, Canada, the average temperature in September hovers around 9°C (49°F), with temperatures ranging from a chilly -6°C (22°F) to a warm 31°C (87°F). Expect about 65 mm (2.6 in) of precipitation spread over 11 days, while the average humidity sits at a comfortable 74%.
In September in Sundre, the average temperature is 9°C (49°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling during this time.
In Sundre in September, the precipitation amount is 65 mm (2.6 in) over a span of 11 days.
In Sundre in September humidity is 74%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace that can make outdoor activities somewhat uncomfortable; travelers may find themselves needing to dress in layers to stay warm while also coping with the dampness in the air.
In Sundre in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sundre.
UV Risk Categories
Weather in Sundre varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sundre, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -8°C (19°F) | 10 mm (0.4 inches) | 91% | low |
February Weather | -11°C (12°F) | 29 mm (1.1 inches) | 93% | moderate |
March Weather | -4°C (25°F) | 33 mm (1.3 inches) | 88% | moderate |
April Weather | 1°C (35°F) | 51 mm (2.0 inches) | 84% | high |
May Weather | 9°C (49°F) | 68 mm (2.7 inches) | 80% | high |
June Weather | 13°C (56°F) | 104 mm (4.1 inches) | 79% | very high |
July Weather | 15°C (60°F) | 106 mm (4.2 inches) | 80% | very high |
August Weather | 15°C (58°F) | 68 mm (2.7 inches) | 77% | very high |
September Weather | 9°C (49°F) | 65 mm (2.6 inches) | 74% | high |
October Weather | 3°C (37°F) | 35 mm (1.4 inches) | 80% | moderate |
November Weather | -2°C (28°F) | 32 mm (1.3 inches) | 86% | low |
December Weather | -7°C (20°F) | 27 mm (1.1 inches) | 92% | low |