September weather forecastBull Shoals, AR
September
Weather in September
September, the first month of the autumn in Bull Shoals, is also a moderately hot month, with an average temperature varying between 82.4°F (28°C) and 60.1°F (15.6°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a hot 89.8°F (32.1°C) in August to a moderately hot 82.4°F (28°C). With a significant daily temperature differential, Bull Shoals's nighttime temperature in September falls to an average of 60.1°F (15.6°C).Heat index
The average heat index in September is evaluated at a tropical 87.8°F (31°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in September is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.85" (47mm) of precipitation.Snowfall
In Bull Shoals, snow does not fall in May through October.Daylight
In Bull Shoals, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:54 pm CDT.
Sunshine
In Bull Shoals, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bull Shoals, AR
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Bull Shoals, AR
- Average pressure in September: 30.02"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
Bull Shoals, AR
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are February and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Bull Shoals, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in September
Bull Shoals, AR
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Bull Shoals, AR
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and December (8 days).
Average snowfall in September
Bull Shoals, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Bull Shoals, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bull Shoals, AR
- Average daylight in September: 12h and 24min
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 42min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Bull Shoals, AR
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is December (21.4 days).
The months with the least sunshine days are May and August (13.6 days).
Average UV index in September
Bull Shoals, AR
- 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, February and December (UV index 2).
Average cloud cover in September
Bull Shoals, AR
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in September
Bull Shoals, AR
- Average visibility in September: 5mi
The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).





