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
With the commencement of September, Keck records a moderate temperature decline, with the average high easing from August's warm 85.6°F (29.8°C) to a still moderately hot 79.5°F (26.4°C). Throughout September, Keck registers a distinct decrease from daytime highs, reaching an average low of 57.4°F (14.1°C).Humidity
In Keck, Kentucky, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 1.93" (49mm) of precipitation.Snowfall
May through September are months without snowfall in Keck.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:04 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow in Keck?
Does it snow in September?
How many hours of daylight does Keck have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Keck have in September?
What is the UV index reading in September?
Average temperature in September
Keck, KY
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Keck, KY
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Keck, KY
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Keck, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in September
Keck, KY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Keck, KY
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in September
Keck, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Keck, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 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
Keck, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Keck, KY
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Keck, 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 and December (UV index 2).
Average cloud cover in September
Keck, KY
- Average cloud cover in September: 35
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Keck, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Keck, Kentucky, USA
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