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
Big Run's transition into September involves a gentle shift in temperature, receding from a moderately hot 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Big Run records a consistent low-temperature of 54.7°F (12.6°C) during September nights.Humidity
In Big Run, West Virginia, the average relative humidity in September is 79%.Rainfall
In Big Run, West Virginia, in September, it is raining for 15.4 days, with typically 2.48" (63mm) of accumulated precipitation. In Big Run, during the entire year, the rain falls for 188.6 days and collects up to 39.17" (995mm) of precipitation.Snowfall
June through September are months without snowfall in Big Run.Daylight
In Big Run, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:51 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:05 pm EDT.
Sunshine
In Big Run, West Virginia, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Big Run is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September leads to these advisories:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the average September temperature in Big Run?
What is the average humidity in September in Big Run?
How many days does it rain in September in Big Run?
When it does not snow in Big Run?
Does it snow in Big Run in September?
How many hours of daylight does Big Run have in September?
When is the sunrise / sunset in September in Big Run?
How many hours of sunshine does Big Run have in September?
What is the UV index reading in September in Big Run?
Average temperature in September
Big Run, WV
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Big Run, 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
Big Run, WV
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Big Run, WV
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Big Run, WV
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
Big Run, WV
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in September
Big Run, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Big Run, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Big Run, WV
- Average daylight in September: 12h and 2min
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 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Big Run, WV
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
Big Run, WV
- Average UV index in September: 4
The months with the highest UV index are May and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Big Run, WV
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Big Run, 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).
Big Run, West Virginia, USA
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