September weather forecastCollettsville, NC
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Collettsville, North Carolina, with an average temperature fluctuating between 58.6°F (14.8°C) and 79.3°F (26.3°C).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's 85.1°F (29.5°C) to a still warm 79.3°F (26.3°C). During September, Collettsville consistently records a temperature low averaging a moderate 58.6°F (14.8°C).Humidity
In September, the average relative humidity in Collettsville is 76%.Rainfall
In Collettsville, in September, during 14.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Collettsville, there are 169 rainfall days, and 31.14" (791mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Collettsville.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:53 pm. On the last day of September, in Collettsville, sunrise is at 7:21 am and sunset at 7:11 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Collettsville, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Collettsville, NC
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Collettsville, NC
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Collettsville, NC
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Collettsville, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Collettsville, NC
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is June (1.97").
Average rainfall days in September
Collettsville, NC
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Collettsville, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Collettsville, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Collettsville, NC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Collettsville, NC
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Collettsville, NC
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Collettsville, NC
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Collettsville, NC
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, May and September (5mi).





