September weather forecastOsbornes Mills, WV
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Osbornes Mills, West Virginia, with an average temperature ranging between max 78.1°F (25.6°C) and min 56.7°F (13.7°C).Temperature
The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 84.7°F (29.3°C) in August to a still warm 78.1°F (25.6°C). During the month of September, Osbornes Mills's nighttime temperature lowers to an average of 56.7°F (13.7°C).Humidity
The average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.61" (41mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Osbornes Mills, West Virginia, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:55 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Osbornes Mills, WV
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Osbornes Mills, 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 (29.97"Hg).
Average wind speed in September
Osbornes Mills, WV
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Osbornes Mills, WV
- Average humidity in September: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Osbornes Mills, WV
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Osbornes Mills, WV
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Osbornes Mills, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Osbornes Mills, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Osbornes Mills, 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 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Osbornes Mills, WV
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (17.9 days).
The months with the least sunshine days are February and May (10.2 days).
Average UV index in September
Osbornes Mills, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Osbornes Mills, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Osbornes Mills, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
