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 onset of September, the average high-temperature subtly recedes from August's warm 81.9°F (27.7°C) to a still moderately hot 76.1°F (24.5°C). Jayenn receives a consistent average low-temperature of 54.5°F (12.5°C) in September, a substantial dip from the day's heat.Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall in Jayenn. Rain falls for 14.5 days and accumulates 2.13" (54mm) of precipitation.Snowfall
In Jayenn, West Virginia, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Jayenn?
What is the average humidity in September in Jayenn?
What is the driest month in Jayenn?
How many days does it rain in September in Jayenn?
When it does not snow in Jayenn?
Does it snow in Jayenn in September?
How many hours of daylight does Jayenn have in September?
When are sunrise and sunset in September in Jayenn?
How long on average sun shines in September in Jayenn?
How high is the UV index in September in Jayenn?
Average temperature in September
Jayenn, WV
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in September
Jayenn, WV
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Jayenn, WV
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Jayenn, WV
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Jayenn, WV
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Jayenn, WV
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in September
Jayenn, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jayenn, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jayenn, WV
- 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 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Jayenn, WV
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in September
Jayenn, WV
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Jayenn, WV
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Jayenn, WV
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Jayenn, West Virginia, USA
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