September weather forecastArthurdale, WV
September
Weather in September
September, the first month of the autumn in Arthurdale, is still a pleasant month, with an average temperature varying between 73.2°F (22.9°C) and 52.7°F (11.5°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 79°F (26.1°C) to an agreeable 73.2°F (22.9°C). The average nighttime temperature in Arthurdale, West Virginia, lowers to a fresh 52.7°F (11.5°C) throughout September.Humidity
In Arthurdale, West Virginia, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Arthurdale, West Virginia, is September, when the rain falls for 15.9 days and typically collects 2.2" (56mm) of precipitation.Snowfall
June through September are months without snowfall in Arthurdale.Daylight
In Arthurdale, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.
Sunshine
The average sunshine in September in Arthurdale is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arthurdale, WV
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Arthurdale, 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
Arthurdale, WV
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Arthurdale, WV
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are June, July, August and November (79%).
Average rainfall in September
Arthurdale, WV
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Arthurdale, WV
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Arthurdale, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arthurdale, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arthurdale, WV
- Average daylight in September: 12h and 24min
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 30min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Arthurdale, WV
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is January (6 days).
Average UV index in September
Arthurdale, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Arthurdale, WV
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Arthurdale, WV
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).
