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
Ark's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's tropical 86.5°F (30.3°C) to a moderately hot 79.9°F (26.6°C). Ark, during September nights, observes an average temperature of 64.9°F (18.3°C).Humidity
In Ark, the average relative humidity in September is 76%.Rainfall
In Ark, in September, it is raining for 12 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 129.1 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Ark, the average length of the day in September is 12h and 25min.On the first day of September in Ark, sunrise is at 6:37 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index in Ark is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the temperature in September in Ark?
What is the average humidity in September in Ark?
How much does it rain in Ark in September?
When it does not snow in Ark?
How many hours of daylight does Ark have in September?
What time are sunrise and sunset in September in Ark?
How long on average sun shines in September in Ark?
What is the UV index intensity in September in Ark?
Average temperature in September
Ark, VA
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Ark, 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 (29.95"Hg).
Average wind speed in September
Ark, VA
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Ark, 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 (73%).
Average rainfall in September
Ark, VA
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in September
Ark, VA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
Ark, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ark, VA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.4 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
Ark, 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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Ark, VA
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in September
Ark, VA
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Ark, VA
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Ark, 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).
Ark, Virginia, USA
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