September weather forecastOak Hill, WV
September
Weather in September
September brings the first inklings of autumn to Oak Hill, with a gentle dip in temperature. The days continue to shorten, yet a substantial amount of sunlight remains, offering pleasant warmth. With less rainfall shown at about 2.01" (51mm), September experiences the driest conditions of the year. The lowered humidity combined with the comfortable temperatures lends a freshness to the town's air, a unique attribute of September. This is a period when the summer-green foliage starts hinting at the brilliant hues of the forthcoming fall.Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 80.8°F (27.1°C) in August to a still moderately hot 74.8°F (23.8°C). An average low-temperature of 54.1°F (12.3°C) is noted during the nights in September.Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 16.2 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Oak Hill, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:08 pm EDT.
Sunshine
In Oak Hill, West Virginia, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oak Hill, WV
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°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 (23.4°F).
Average pressure in September
Oak Hill, 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
Oak Hill, WV
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Oak Hill, WV
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in September
Oak Hill, WV
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Oak Hill, WV
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are February and November (10.5 days).
Average snowfall in September
Oak Hill, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oak Hill, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oak Hill, WV
- Average daylight in September: 12h and 24min
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 36min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Oak Hill, WV
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
Oak Hill, 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, November and December (UV index 2).
Average cloud cover in September
Oak Hill, WV
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Oak Hill, 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).
