September weather forecastBig Stone Gap, VA
September
Weather in September
The first month of the autumn, September, is still a warm month in Big Stone Gap, Virginia, with an average temperature fluctuating between 77.7°F (25.4°C) and 55.4°F (13°C).Temperature
As Big Stone Gap steps into September, the average high-temperature is measured at a still warm 77.7°F (25.4°C), displaying minor differences from August's 82.9°F (28.3°C). Throughout September, Big Stone Gap braces for a considerable drop from daytime highs, with an average low-temperature of 55.4°F (13°C).Humidity
In Big Stone Gap, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Big Stone Gap is September, when the rain falls for 16.9 days and typically collects 2.44" (62mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index in Big Stone Gap is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Big Stone Gap, VA
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Big Stone Gap, VA
- Average pressure in September: 30.06"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
Big Stone Gap, VA
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Big Stone Gap, VA
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Big Stone Gap, VA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in September
Big Stone Gap, VA
- Average rainfall days in September: 16.9 days
The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is November (12.5 days).
Average snowfall in September
Big Stone Gap, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Big Stone Gap, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Big Stone Gap, VA
- 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 42min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Big Stone Gap, VA
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is November (14.9 days).
The months with the least sunshine days are May and July (8.3 days).
Average UV index in September
Big Stone Gap, VA
- Average UV index in September: 4
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
Big Stone Gap, VA
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Big Stone Gap, VA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
