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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 84.9°F (29.4°C) to a still moderately hot 78.3°F (25.7°C). In Clarksburg, the average nighttime temperature during September is a mild 57°F (13.9°C).Humidity
In September, the average relative humidity in Clarksburg is 76%.Rainfall
September is the month with the least rainfall in Clarksburg. Rain falls for 12.8 days and accumulates 1.85" (47mm) of precipitation.Snowfall
In Clarksburg, snow does not fall in May through September.Daylight
In September, the average length of the day in Clarksburg is 12h and 25min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:03 pm. On the last day of September, in Clarksburg, sunrise is at 7:29 am and sunset at 7:17 pm EDT.
Sunshine
In Clarksburg, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the usual temperature for Clarksburg in September?
What is the average humidity in September in Clarksburg?
What is the driest month in Clarksburg?
How much does it rain in Clarksburg in September?
When it does not snow in Clarksburg?
Does it snow in Clarksburg in September?
How many hours of daylight does Clarksburg have in September?
When are sunrise and sunset in September in Clarksburg?
How many hours of sunshine does Clarksburg have in September?
How high is the UV index in September in Clarksburg?
Average temperature in September
Clarksburg, KY
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Clarksburg, 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
Clarksburg, KY
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Clarksburg, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Clarksburg, KY
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Clarksburg, KY
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in September
Clarksburg, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Clarksburg, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clarksburg, 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 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Clarksburg, KY
- Average sunshine days in September: 15.7 days
The months with the most sunshine days are October and November (16.6 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Clarksburg, 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
Clarksburg, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Clarksburg, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Clarksburg, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location
