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 brings a slight decrease in temperature, down from 84.4°F (29.1°C) in August to a still warm 78.3°F (25.7°C). In September, Preston reports a consistent average low-temperature of 58.1°F (14.5°C) during the nights.Humidity
In Preston, Kentucky, the average relative humidity in September is 76%.Rainfall
September and October are months with the least rain when the rain falls for 12.9 days and typically aggregates up to 2.05" (52mm) of rain.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine in Preston, Kentucky, is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What are the temperatures in Preston in September?
What is the average humidity in September in Preston?
What is the driest month in Preston?
How many days does it rain in September in Preston?
When it does not snow in Preston?
Does it snow in Preston in September?
What is the average length of the day in September in Preston?
When is the sunrise / sunset in September in Preston?
How many hours of sunshine does Preston have in September?
What is the UV index reading in September in Preston?
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 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 2min
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).
Preston, Kentucky, USA
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