Last updated: June 24, 2025
In September, the average temperature in Clarence, United States is a pleasant 19°C (67°F). Expect a range from a chilly 2°C (36°F) to a warm 33°C (92°F). During this month, you can anticipate around 127 mm (5.0 in) of precipitation spread over 10 days, contributing to an average humidity of 78%.
In September in Clarence, the average temperature is 19°C (67°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 2°C (36°F). This range makes it a great time to visit for those who enjoy mild weather but should be prepared for both warm days and cooler nights.
In Clarence in September, the precipitation amount is 127 mm (5.0 in), spread over a period of 10 days.
In Clarence in September humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.
In Clarence in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Clarence.
UV Risk Categories
Weather in Clarence varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Clarence, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (22°F) | 49 mm (1.9 inches) | 81% | moderate |
February Weather | -5°C (24°F) | 59 mm (2.3 inches) | 81% | moderate |
March Weather | 3°C (38°F) | 73 mm (2.9 inches) | 81% | high |
April Weather | 9°C (48°F) | 88 mm (3.5 inches) | 82% | very high |
May Weather | 16°C (62°F) | 140 mm (5.5 inches) | 78% | very high |
June Weather | 22°C (73°F) | 118 mm (4.6 inches) | 81% | extreme |
July Weather | 24°C (76°F) | 78 mm (3.1 inches) | 79% | very high |
August Weather | 22°C (72°F) | 91 mm (3.6 inches) | 77% | very high |
September Weather | 19°C (67°F) | 127 mm (5.0 inches) | 78% | very high |
October Weather | 11°C (53°F) | 124 mm (4.9 inches) | 78% | high |
November Weather | 3°C (38°F) | 49 mm (1.9 inches) | 87% | moderate |
December Weather | -1°C (31°F) | 46 mm (1.8 inches) | 84% | moderate |