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
A moderate decline in average high-temperatures is noted in September, moving from a hot 91.9°F (33.3°C) in August to a moderately hot 85.1°F (29.5°C). White Bluff encounters a substantial decline from its daily high to a low-temperature of 63°F (17.2°C) during September nights.Heat index
The heat index value for September is estimated at a hot 93.2°F (34°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In White Bluff, the average relative humidity in September is 71%.Rainfall
In September, the rain falls for 10.6 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 131.9 rainfall days, and 25.51" (648mm) of precipitation is accumulated.Snowfall
In White Bluff, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:50 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:02 pm CDT.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
White Bluff, AR
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
White Bluff, 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
White Bluff, AR
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
White Bluff, AR
- Average humidity in September: 71%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in September
White Bluff, AR
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in September
White Bluff, AR
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in September
White Bluff, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
White Bluff, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
White Bluff, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
White Bluff, AR
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in September
White Bluff, AR
- Average UV index in September: 5
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
White Bluff, AR
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
White Bluff, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
White Bluff, Arkansas, USA
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