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's arrival subtly correlates with a reduction in the average high-temperature, down from 81.3°F (27.4°C) in August to a still moderately hot 74.7°F (23.7°C). Kellysville measures a considerable dip from daytime highs with an average low-temperature of 52.7°F (11.5°C) during September.Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 1.34" (34mm) of precipitation.Snowfall
In Kellysville, snow does not fall in June through September.Daylight
The average length of the day in September in Kellysville, West Virginia, is 12h and 25min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:07 pm EDT.
Sunshine
In September, the average sunshine in Kellysville is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Kellysville?
What is the average humidity in September in Kellysville?
What is the driest month in Kellysville?
How many days does it rain in September in Kellysville?
When it does not snow in Kellysville?
Does it snow in Kellysville in September?
What is the average length of the day in September in Kellysville?
When are sunrise and sunset in September in Kellysville?
How long on average sun shines in September in Kellysville?
How high is the UV index in September in Kellysville?
Average temperature in September
Kellysville, WV
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Kellysville, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Kellysville, WV
- Average wind speed in September: 4.4mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Kellysville, WV
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June, July and November (77%).
Average rainfall in September
Kellysville, WV
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
Kellysville, WV
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in September
Kellysville, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Kellysville, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kellysville, WV
- 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Kellysville, WV
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Kellysville, WV
- Average UV index in September: 4
The months with the highest UV index are June 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
Kellysville, WV
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 56).
The months with the least cloud cover are June and July (Cloud cover 38).
Average visibility in September
Kellysville, WV
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Kellysville, West Virginia, USA
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