September weather forecastPine Knot, KY
September
Weather in September
September, the first month of the autumn in Pine Knot, is still a warm month, with an average temperature fluctuating between 79°F (26.1°C) and 58.1°F (14.5°C).Temperature
The arrival of September corresponds with a light shift in temperature, down from 84.7°F (29.3°C) in August to a still warm 79°F (26.1°C). Pine Knot experiences an average low-temperature of 58.1°F (14.5°C) in month of September.Humidity
April, June through November, with an average relative humidity of 77%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 2.28" (58mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Pine Knot, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pine Knot, KY
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Pine Knot, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Pine Knot, KY
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Pine Knot, KY
- Average humidity in September: 77%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, June, July, August, September, October and November (77%).
Average rainfall in September
Pine Knot, KY
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
Pine Knot, KY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Pine Knot, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Pine Knot, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pine Knot, KY
- 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Pine Knot, KY
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Pine Knot, KY
- Average UV index in September: 5
The months with the highest UV index are May, 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
Pine Knot, KY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in September
Pine Knot, KY
- 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).





