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
As August makes way for September, Barrett Corner's average high-temperature eases from a hot 86.9°F (30.5°C) to a warm 81.1°F (27.3°C). During September, Barrett Corner witnesses a consistent average low-temperature of 63.1°F (17.3°C).Heat index
The heat index value during September is estimated at a hot 86°F (30°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in September in Barrett Corner is 78%.Rainfall
In Barrett Corner, Virginia, during September, the rain falls for 10.9 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 132.9 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Barrett Corner, sunrise is at 6:39 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:52 pm EDT.
Sunshine
In Barrett Corner, the average sunshine in September is 8.6h.UV index
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 the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take precautions - Protection against sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Barrett Corner in September?
What is the average humidity in September in Barrett Corner?
How much does it rain in Barrett Corner in September?
When it does not snow in Barrett Corner?
How many hours of daylight does Barrett Corner have in September?
When is the sunrise / sunset in September in Barrett Corner?
How many hours of sunshine does Barrett Corner have in September?
What is the UV index reading in September in Barrett Corner?
Average temperature in September
Barrett Corner, VA
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Barrett Corner, VA
- Average pressure in September: 30.04"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
Barrett Corner, VA
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Barrett Corner, VA
- Average humidity in September: 78%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Barrett Corner, VA
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Barrett Corner, VA
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Barrett Corner, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Barrett Corner, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Barrett Corner, VA
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Barrett Corner, VA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Barrett Corner, 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 and December (UV index 2).
Average cloud cover in September
Barrett Corner, VA
- Average cloud cover in September: 41
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Barrett Corner, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Barrett Corner, Virginia, USA
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