September weather forecastCopper Hill, VA
September
Weather in September
The first month of the autumn, September, is still a warm month in Copper Hill, Virginia, with an average temperature varying between 56.3°F (13.5°C) and 77.9°F (25.5°C).Temperature
Copper Hill's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 84.4°F (29.1°C) in August to a still moderately hot 77.9°F (25.5°C). September's nights exhibit a sharp contrast from day highs, with an average temperature of 56.3°F (13.5°C).Humidity
May, September and December, with an average relative humidity of 77%, are the most humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 1.42" (36mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Copper Hill, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:51 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:04 pm EDT.
Sunshine
In Copper Hill, the average sunshine in September is 8.4h.UV index
In Copper Hill, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Copper Hill, VA
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Copper Hill, VA
- 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
Copper Hill, VA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Copper Hill, VA
- Average humidity in September: 77%
The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Copper Hill, VA
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Copper Hill, VA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (7 days).
Average snowfall in September
Copper Hill, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Copper Hill, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Copper Hill, VA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Copper Hill, VA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Copper Hill, VA
- Average UV index in September: 5
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, November and December (UV index 2).
Average cloud cover in September
Copper Hill, VA
- Average cloud cover in September: 40
The months with the most cloud cover are February and March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
Copper Hill, VA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, July and November (6mi).
The months with the lowest visibility are January, February, May, August, September, October and December (5mi).
