September weather forecastLily, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Lily, Kentucky, with an average temperature fluctuating between 57.9°F (14.4°C) and 79.3°F (26.3°C).Temperature
Lily in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 85.5°F (29.7°C) in August to a still warm 79.3°F (26.3°C). September generally records an average low-temperature of 57.9°F (14.4°C).Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 2.2" (56mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Lily, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Lily, Kentucky, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lily, KY
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in September: 57.9°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
Lily, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Lily, KY
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Lily, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Lily, KY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Lily, KY
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in September
Lily, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lily, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 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
Lily, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Lily, KY
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Lily, 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
Lily, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Lily, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).





