September weather forecastPreston, KY
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Preston, Kentucky, with an average temperature varying between 58.1°F (14.5°C) and 78.3°F (25.7°C).Temperature
With the arrival of September, Preston experiences a modest decline in average high-temperatures, transitioning from 84.4°F (29.1°C) in August to a still warm 78.3°F (25.7°C). Preston records a consistent low-temperature of 58.1°F (14.5°C) during September nights.Humidity
In Preston, the average relative humidity in September is 76%.Rainfall
The months with the least rainfall are September and October Rain falls for 12.9 days and accumulates 2.05" (52mm) of rain.Snowfall
In Preston, Kentucky, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 7:05 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:19 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Preston, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Preston, KY
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Preston, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Preston, KY
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Preston, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Preston, KY
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (3.58").
The driest months (with the least rainfall) are September and October (2.05").
Average rainfall days in September
Preston, KY
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Preston, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Preston, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Preston, KY
- Average daylight in September: 12h and 24min
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 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Preston, KY
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Preston, KY
- Average UV index in September: 4
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, November and December (UV index 2).
Average cloud cover in September
Preston, KY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Preston, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).





