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
Black Oak notes an average high-temperature of a moderately hot 82°F (27.8°C) in September, displaying minor variation from August. Nighttime temperatures hover around an average low of 64°F (17.8°C) in September.Heat index
For most parts of September, the heat index is evaluated at a hot 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Heat index determinations are made taking into account the shade and light air movements. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In September, the average relative humidity is 74%.Rainfall
In Black Oak, during September, the rain falls for 13.1 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Black Oak, during the entire year, the rain falls for 163.8 days and collects up to 40.59" (1031mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Black Oak, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Black Oak?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Black Oak?
How many hours of daylight does Black Oak have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Black Oak, AR
- Average high temperature in September: 82°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°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Black Oak, 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 (29.93"Hg).
Average wind speed in September
Black Oak, AR
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Black Oak, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Black Oak, AR
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (2.48").
Average rainfall days in September
Black Oak, AR
- Average rainfall days in September: 13.1 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is October (10 days).
Average snowfall in September
Black Oak, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Black Oak, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Black Oak, AR
- 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 48min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Black Oak, AR
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (19.3 days).
The months with the least sunshine days are July and August (11.2 days).
Average UV index in September
Black Oak, AR
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Black Oak, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Black Oak, AR
- 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).
Black Oak, Arkansas, USA
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