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
The shift from August to September coincides with a small decrease in the average high-temperature, down to a still warm 79.7°F (26.5°C) from a moderately hot 85.6°F (29.8°C). In Lewisport, an average low-temperature of 60.3°F (15.7°C) is recorded during September nights.Humidity
In Lewisport, the average relative humidity in September is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.8 days and typically collects 0.51" (13mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. 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, Kentucky, 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 Lewisport, Kentucky, the average sunshine in September is 8.8h.UV index
In Lewisport, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - It is urged to ward off sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Lewisport?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index 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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