Last updated: June 24, 2025
In September, the average temperature in Williamston, United States is a warm 24°C (75°F), with a range that can dip to a chilly 11°C (52°F) and soar to a sizzling 36°C (97°F). Expect about 129 mm (5.1 in) of precipitation spread over 11 days, contributing to an overall average humidity of 80%. Enjoy the diverse climate and prepare for a mix of sun and rain!
In September in Williamston, the average temperature is 24°C (75°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 11°C (52°F). This makes it a great time for travelers to enjoy warm days while also being prepared for cooler evenings.
In Williamston in September, the precipitation amount is 129 mm (5.1 in) spread over 11 days, indicating a wet period for the area.
In Williamston in September humidity is 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.
In Williamston in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Williamston.
UV Risk Categories
Weather in Williamston varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Williamston, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 7°C (45°F) | 94 mm (3.7 inches) | 84% | moderate |
February Weather | 10°C (50°F) | 89 mm (3.5 inches) | 81% | high |
March Weather | 12°C (53°F) | 67 mm (2.6 inches) | 80% | very high |
April Weather | 17°C (62°F) | 100 mm (3.9 inches) | 80% | very high |
May Weather | 21°C (70°F) | 116 mm (4.6 inches) | 81% | extreme |
June Weather | 25°C (76°F) | 151 mm (6.0 inches) | 82% | extreme |
July Weather | 27°C (80°F) | 152 mm (6.0 inches) | 83% | extreme |
August Weather | 26°C (79°F) | 181 mm (7.1 inches) | 82% | very high |
September Weather | 24°C (75°F) | 129 mm (5.1 inches) | 80% | very high |
October Weather | 19°C (67°F) | 76 mm (3.0 inches) | 79% | very high |
November Weather | 12°C (53°F) | 94 mm (3.7 inches) | 83% | moderate |
December Weather | 9°C (49°F) | 102 mm (4.0 inches) | 84% | moderate |