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 ushers in a minute temperature change, with average high-temperatures reducing from August's 80.6°F (27°C) to a still warm 74.8°F (23.8°C). September nights in Clay Junction, West Virginia, are marked by an average low-temperature of 54.1°F (12.3°C).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 1.69" (43mm) of precipitation.Snowfall
In Clay Junction, snow does not fall in June through September.Daylight
In Clay Junction, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:53 pm. On the last day of September, in Clay Junction, sunrise is at 7:19 am and sunset at 7:08 pm EDT.
Sunshine
In September, the average sunshine in Clay Junction is 8.5h.UV index
In September, the average daily maximum UV index in Clay Junction is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are September temperatures in Clay Junction?
What is the average humidity in September in Clay Junction?
What is the driest month in Clay Junction?
How many days does it rain in September in Clay Junction?
When it does not snow in Clay Junction?
Does it snow in Clay Junction in September?
How many hours of daylight does Clay Junction have in September?
When is the sunrise / sunset in September in Clay Junction?
How many hours of sunshine does Clay Junction have in September?
How high is the UV index in September in Clay Junction?
Average temperature in September
Clay Junction, WV
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Clay Junction, 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 (29.98"Hg).
Average wind speed in September
Clay Junction, WV
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Clay Junction, WV
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in September
Clay Junction, WV
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Clay Junction, WV
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).
Average snowfall in September
Clay Junction, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clay Junction, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 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 Junction, WV
- 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 3min
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 48min).
Average sunshine days in September
Clay Junction, WV
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).
Average UV index in September
Clay Junction, WV
- Average UV index in September: 4
The month with the highest UV index is June (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 Junction, WV
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Clay Junction, 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).
Clay Junction, West Virginia, USA
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