September weather forecastDunlap, KY
September
Weather in September
September, the first month of the autumn in Dunlap, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 56.8°F (13.8°C).Temperature
Dunlap's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 85.3°F (29.6°C) to a still moderately hot 79.3°F (26.3°C). Dunlap, in the heat of September, registers a significant plunge to a mean of 56.8°F (13.8°C) during the nights.Humidity
In Dunlap, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.73" (44mm) of precipitation.Snowfall
In Dunlap, snow does not fall in May through September.Daylight
In Dunlap, Kentucky, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:13 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Dunlap, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dunlap, KY
- 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 (41.2°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Dunlap, KY
- Average pressure in September: 30.06"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Dunlap, KY
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Dunlap, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in September
Dunlap, KY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Dunlap, KY
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in September
Dunlap, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dunlap, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dunlap, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Dunlap, KY
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Dunlap, KY
- Average UV index in September: 4
The months with the highest UV index are June 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
Dunlap, KY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Dunlap, 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).
