Last updated: June 24, 2025
In September, the average temperature in Summersville, United States hovers around 19°C (66°F), creating a pleasant atmosphere for visitors. Expect minimums of 3°C (39°F) and maximums of 31°C (88°F), providing a wide range of experiences throughout the day. Be prepared for approximately 110 mm (4.3 in) of precipitation over 11 days, accompanied by an average humidity of 73%, ensuring a lush and vibrant landscape.
In September in Summersville, the average temperature is 19°C (66°F). Maximums can reach 31°C (88°F), while minimums can be as low as 3°C (39°F). This variation in temperature makes Summersville an ideal destination for travelers seeking both warm days and cooler evenings.
In Summersville in September, the precipitation amount is 110 mm (4.3 in) spread over 11 days.
In Summersville in September humidity is 73%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you find yourself seeking shade and refreshing drinks while exploring.
In Summersville 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 Summersville.
UV Risk Categories
Weather in Summersville varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Summersville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (32°F) | 110 mm (4.3 inches) | 88% | moderate |
February Weather | 3°C (38°F) | 171 mm (6.7 inches) | 88% | moderate |
March Weather | 6°C (43°F) | 133 mm (5.2 inches) | 88% | high |
April Weather | 11°C (52°F) | 158 mm (6.2 inches) | 86% | very high |
May Weather | 16°C (62°F) | 177 mm (7.0 inches) | 82% | very high |
June Weather | 20°C (68°F) | 150 mm (5.9 inches) | 84% | extreme |
July Weather | 22°C (72°F) | 129 mm (5.1 inches) | 82% | extreme |
August Weather | 21°C (70°F) | 133 mm (5.3 inches) | 73% | very high |
September Weather | 19°C (66°F) | 110 mm (4.3 inches) | 73% | very high |
October Weather | 13°C (56°F) | 131 mm (5.2 inches) | 81% | high |
November Weather | 6°C (42°F) | 90 mm (3.5 inches) | 89% | moderate |
December Weather | 3°C (38°F) | 134 mm (5.3 inches) | 86% | moderate |