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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a tropical 89.1°F (31.7°C) in August to a moderately hot 82.9°F (28.3°C). Blacksburg reports an average nighttime low-temperature of 62.4°F (16.9°C) in September.Heat index
September's average heat index is evaluated at a hot 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Heat index determinations are made taking into account the shade and light air movements. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Blacksburg, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 12 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Blacksburg, there are 150.1 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
In Blacksburg, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:10 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Blacksburg, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Blacksburg during September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Blacksburg have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in Blacksburg?
Average temperature in September
Blacksburg, SC
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in September
Blacksburg, SC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Blacksburg, SC
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Blacksburg, SC
- Average humidity in September: 73%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Blacksburg, SC
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is October (1.73").
Average rainfall days in September
Blacksburg, SC
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Blacksburg, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Blacksburg, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Blacksburg, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Blacksburg, SC
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in September
Blacksburg, SC
- 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 and December (UV index 2).
Average cloud cover in September
Blacksburg, SC
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Blacksburg, SC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Blacksburg, South Carolina, USA
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