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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 84.2°F (29°C) in August to a still warm 77.9°F (25.5°C). The average low-temperature during September nights is a mild 58.8°F (14.9°C).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In DeCoursey, snow does not fall in May through September.Daylight
In DeCoursey, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:07 pm. On the last day of September, in DeCoursey, Kentucky, sunrise is at 7:33 am and sunset at 7:21 pm EDT.
Sunshine
In DeCoursey, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in DeCoursey is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in DeCoursey?
What is the least humid month in DeCoursey?
What is the average humidity in September in DeCoursey?
What is the driest month in DeCoursey?
How much does it rain in DeCoursey in September?
When it does not snow in DeCoursey?
Does it snow in DeCoursey in September?
How many hours of daylight does DeCoursey have in September?
When are sunrise and sunset in September in DeCoursey?
How many hours of sunshine does DeCoursey have in September?
How high is the UV index in September in DeCoursey?
Average temperature in September
DeCoursey, KY
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in September
DeCoursey, KY
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
DeCoursey, KY
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
DeCoursey, KY
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in September
DeCoursey, KY
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
DeCoursey, KY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
DeCoursey, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
DeCoursey, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
DeCoursey, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
DeCoursey, KY
- Average sunshine days in September: 14.9 days
The months with the most sunshine days are October and November (18.1 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
DeCoursey, KY
- Average UV index in September: 4
The months with the highest UV index are 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
DeCoursey, KY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
DeCoursey, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
DeCoursey, Kentucky, USA
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