Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from 85.6°F (29.8°C) in August to a still moderately hot 79.7°F (26.5°C). Lewisport, during the month of September, experiences an average low-temperature of 60.3°F (15.7°C).Humidity
The average relative humidity in September in Lewisport is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 9.8 days and accumulates 0.51" (13mm) of precipitation.Snowfall
January through April, September through December are months with snowfall in Lewisport, Kentucky. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Lewisport, during the entire year, snow falls for 20.1 days and aggregates up to 2.24" (57mm) of snow.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine in Lewisport is 8.8h.UV index
In September, the average daily maximum UV index in Lewisport is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average September temperature in Lewisport?
What is the average humidity in September in Lewisport?
What is the driest month in Lewisport?
How much does it rain in Lewisport in September?
When does it start snowing in Lewisport?
What is the average length of the day in September in Lewisport?
When is the sunrise / sunset in September in Lewisport?
How long on average sun shines in September in Lewisport?
What is the UV index reading in September in Lewisport?
Average temperature in September
Lewisport, KY
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Lewisport, 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 (29.95"Hg).
Average wind speed in September
Lewisport, KY
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Lewisport, KY
- Average humidity in September: 74%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Lewisport, KY
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in September
Lewisport, KY
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (14 days).
The months with the least rainy days are January and November (7.7 days).
Average snowfall in September
Lewisport, KY
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Lewisport, KY
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lewisport, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Lewisport, KY
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is May (13 days).
Average UV index in September
Lewisport, 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
Lewisport, KY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in September
Lewisport, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Lewisport, Kentucky, USA
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