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 signifies a minor drop in average high-temperature, transitioning from a hot 86.9°F (30.5°C) in August to a warm 81.1°F (27.3°C). An average nighttime temperature of 63.1°F (17.3°C) is witnessed throughout September.Heat index
In September, the heat index is appraised at a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. 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 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In September, the average relative humidity in Dendron, Virginia, is 78%.Rainfall
In Dendron, in September, it is raining for 10.9 days, with typically 1.18" (30mm) of accumulated precipitation. In Dendron, during the entire year, the rain falls for 132.9 days and collects up to 15.59" (396mm) of precipitation.Snowfall
April through October are months without snowfall in Dendron.Daylight
In Dendron, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:52 pm EDT.
Sunshine
In Dendron, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the temperature in September in Dendron?
What is the average humidity in September in Dendron?
How many days does it rain in September in Dendron?
When it does not snow in Dendron?
How many hours of daylight does Dendron have in September?
What time are sunrise and sunset in September in Dendron?
How long on average sun shines in September in Dendron?
How high is the UV index in September in Dendron?
Average temperature in September
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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
Dendron, 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).
Dendron, Virginia, USA
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