Last updated: June 24, 2025
In September, the average temperature in Cavalier, United States hovers around 15°C (58°F). However, be prepared for a range of temperatures, as it can dip to a chilling -2°C (29°F) or soar up to a scorching 34°C (93°F). Expect precipitation of approximately 80 mm (3.1 in) over about 9 days, paired with an average humidity level of 73%—perfect for those who enjoy a mild, somewhat humid climate!
In September in Cavalier, the average temperature is 15°C (58°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as -2°C (29°F). It's advisable to pack layers to ensure comfort while exploring the diverse weather conditions during your trip.
In Cavalier in September, the precipitation amount is 80 mm (3.1 in) spread over 9 days.
In Cavalier in September humidity is 73%. With an average temperature of 15°C (58°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities slightly more taxing as you navigate the sticky air.
In Cavalier 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 Cavalier.
UV Risk Categories
Weather in Cavalier varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cavalier, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -13°C (9°F) | 17 mm (0.7 inches) | 92% | low |
February Weather | -14°C (6°F) | 17 mm (0.7 inches) | 90% | moderate |
March Weather | -4°C (24°F) | 20 mm (0.8 inches) | 88% | moderate |
April Weather | 3°C (38°F) | 26 mm (1.0 inches) | 81% | high |
May Weather | 13°C (55°F) | 46 mm (1.8 inches) | 74% | very high |
June Weather | 20°C (68°F) | 71 mm (2.8 inches) | 72% | very high |
July Weather | 22°C (71°F) | 57 mm (2.3 inches) | 74% | very high |
August Weather | 20°C (68°F) | 63 mm (2.5 inches) | 76% | very high |
September Weather | 15°C (58°F) | 80 mm (3.1 inches) | 73% | high |
October Weather | 6°C (43°F) | 74 mm (2.9 inches) | 76% | moderate |
November Weather | -4°C (25°F) | 27 mm (1.0 inches) | 86% | low |
December Weather | -9°C (16°F) | 28 mm (1.1 inches) | 91% | low |