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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a hot 87.3°F (30.7°C) in August to a warm 81.1°F (27.3°C). Barker Crossroads temperatures generally rest at a low of 62.8°F (17.1°C) during the September nights.Heat index
The heat index value for September is appraised at a hot 86°F (30°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Barker Crossroads, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 1.85" (47mm) of precipitation.Snowfall
In Barker Crossroads, snow does not fall in May through October.Daylight
In Barker Crossroads, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:56 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Barker Crossroads?
What is the driest month?
How many days does it rain in September in Barker Crossroads?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Barker Crossroads?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Barker Crossroads, VA
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Barker Crossroads, VA
- 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 (29.96"Hg).
Average wind speed in September
Barker Crossroads, VA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Barker Crossroads, VA
- Average humidity in September: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Barker Crossroads, VA
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Barker Crossroads, VA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Barker Crossroads, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Barker Crossroads, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.2 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
Barker Crossroads, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
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 June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Barker Crossroads, VA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).
Average UV index in September
Barker Crossroads, 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
Barker Crossroads, VA
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Barker Crossroads, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Barker Crossroads, Virginia, USA
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