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's arrival comes with a mild decrease in the average high-temperature, moving subtly from a tropical 91.6°F (33.1°C) in August to a moderately hot 84.6°F (29.2°C). Despite the hot September days, Danville's nights see an average temperature plunge to a comfortable 62.2°F (16.8°C).Heat index
The heat index value during September is computed to be a hot 93.2°F (34°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. 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 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In September, the average relative humidity is 74%.Rainfall
In Danville, in September, it is raining for 12.8 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Danville, there are 149.2 rainfall days, and 36.65" (931mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Danville is 12h and 23min.On the first day of September, sunrise is at 6:46 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:58 pm CDT.
Sunshine
The average sunshine in September in Danville is 9.2h.UV index
In September, the average daily maximum UV index in Danville is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during September translates into the following guidance:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
Is it hot in Danville during September?
What is the average humidity in September in Danville?
How many days does it rain in September in Danville?
When it does not snow in Danville?
What is the average length of the day in September in Danville?
When are sunrise and sunset in September in Danville?
How many hours of sunshine does Danville have in September?
How high is the UV index in September in Danville?
Average temperature in September
Danville, AR
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Danville, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Danville, AR
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Danville, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Danville, AR
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is May (4.96").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in September
Danville, AR
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Danville, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Danville, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Danville, AR
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Danville, AR
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Danville, AR
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Danville, AR
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Danville, AR
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
Danville, Arkansas, USA
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