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 78.6°F (25.9°C) from a moderately hot 84.7°F (29.3°C). Clay City experiences an average temperature drop to a refreshing 57.9°F (14.4°C) during September nights.Humidity
In Clay City, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.09" (53mm) of precipitation.Snowfall
May through September are months without snowfall in Clay City, Kentucky.Daylight
In Clay City, Kentucky, the average length of the day in September is 12h and 25min.On the first day of September in Clay City, sunrise is at 7:06 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:19 pm EDT.
Sunshine
In Clay City, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Clay City is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are the temperatures in Clay City in September?
What is the average humidity in September in Clay City?
What is the driest month in Clay City?
How many days does it rain in September in Clay City?
When it does not snow in Clay City?
Does it snow in Clay City in September?
How many hours of daylight does Clay City have in September?
What time are sunrise and sunset in September in Clay City?
How many hours of sunshine does Clay City have in September?
What is the UV index reading in September in Clay City?
Average temperature in September
Clay City, KY
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Clay City, 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
Clay City, KY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Clay City, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Clay City, KY
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
Clay City, KY
- Average rainfall days in September: 13 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in September
Clay City, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Clay City, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clay City, 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 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
Clay City, KY
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Clay City, 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
Clay City, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Clay City, 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).
Clay City, Kentucky, USA
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