September weather forecastClarks Corner, KY
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Clarks Corner, Kentucky, with an average temperature varying between 59.9°F (15.5°C) and 79.3°F (26.3°C).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a moderately hot 85.1°F (29.5°C) in August to a still warm 79.3°F (26.3°C). In Clarks Corner, the average low-temperature during the month of September is a moderate 59.9°F (15.5°C).Humidity
The average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.7 days and typically collects 2.52" (64mm) of precipitation.Snowfall
May through September are months without snowfall in Clarks Corner.Daylight
The average length of the day in September in Clarks Corner is 12h and 25min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:10 pm. On the last day of September, in Clarks Corner, sunrise is at 6:37 am and sunset at 6:26 pm CDT.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clarks Corner, KY
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Clarks Corner, 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 (29.96"Hg).
Average wind speed in September
Clarks Corner, KY
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Clarks Corner, KY
- Average humidity in September: 77%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Clarks Corner, KY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in September
Clarks Corner, KY
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Clarks Corner, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Clarks Corner, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 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
Clarks Corner, 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 42min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Clarks Corner, KY
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Clarks Corner, 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
Clarks Corner, KY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Clarks Corner, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, July and September (5mi).





