September weather forecastRock Oak, WV
September
Weather in September
September, the first month of the autumn in Rock Oak, is also a moderately hot month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 75.2°F (24°C).Temperature
Rock Oak's progression into September involves a minor drop in the average high-temperature, slightly receding from 82.2°F (27.9°C) in August to a still moderately hot 75.2°F (24°C). The average temperature drops to a fresh 54°F (12.2°C) during the night in the month of September.Humidity
In September, the average relative humidity in Rock Oak is 78%.Rainfall
In Rock Oak, during September, the rain falls for 14.5 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Rock Oak, during the entire year, the rain falls for 166 days and collects up to 25.83" (656mm) of precipitation.Snowfall
June through September are months without snowfall in Rock Oak.Daylight
In Rock Oak, West Virginia, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:45 pm. On the last day of September, in Rock Oak, sunrise is at 7:10 am and sunset at 6:58 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Rock Oak, West Virginia, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rock Oak, WV
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Rock Oak, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Rock Oak, WV
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Rock Oak, WV
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in September
Rock Oak, WV
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and November (1.73").
Average rainfall days in September
Rock Oak, WV
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in September
Rock Oak, WV
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rock Oak, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rock Oak, 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 30min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Rock Oak, WV
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Rock Oak, WV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Rock Oak, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Rock Oak, WV
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
