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
The arrival of September suggests a slight decrease in the average high-temperature, moving from a tropical 88.3°F (31.3°C) in August to a moderately hot 81.5°F (27.5°C). Nighttime temperatures in Bellwood hover around an average low of 63.3°F (17.4°C) in September.Heat index
In September, the heat index is calculated to be a tropical 86°F (30°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity in Bellwood is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.42" (36mm) of precipitation.Snowfall
In Bellwood, snow does not fall in May through October.Daylight
In Bellwood, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of September, in Bellwood, sunrise is at 7:04 am and sunset at 6:54 pm EDT.
Sunshine
The average sunshine in September in Bellwood is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bellwood in September?
What is the average humidity in September in Bellwood?
What is the driest month in Bellwood?
How many days does it rain in September in Bellwood?
When it does not snow in Bellwood?
How many hours of daylight does Bellwood have in September?
When is the sunrise / sunset in September in Bellwood?
How long on average sun shines in September in Bellwood?
What is the UV index intensity in September in Bellwood?
Average temperature in September
Bellwood, VA
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Bellwood, 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
Bellwood, VA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Bellwood, VA
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).
Average rainfall in September
Bellwood, VA
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Bellwood, VA
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Bellwood, VA
- Average snowfall in September: 0"
The months with the highest snowfall are February and March (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Bellwood, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Bellwood, 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 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Bellwood, VA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Bellwood, VA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Bellwood, VA
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Bellwood, VA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Bellwood, Virginia, USA
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