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
In Brentwood, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's tropical 88.3°F (31.3°C) to a moderately hot 81.5°F (27.5°C). During September, Brentwood's temperature averages to an enjoyable 61.3°F (16.3°C) at night.Heat index
The heat index value for September is estimated at a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
The average relative humidity in September is 73%.Rainfall
In Brentwood, in September, it is raining for 10 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Brentwood, there are 120.5 rainfall days, and 16.18" (411mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September in Brentwood is 12h and 23min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:43 pm. On the last day of September, in Brentwood, sunrise is at 7:11 am and sunset at 7:01 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in September in Brentwood?
What is the average humidity in September in Brentwood?
How many days does it rain in September in Brentwood?
When it does not snow in Brentwood?
How many hours of daylight does Brentwood have in September?
When is the sunrise / sunset in September in Brentwood?
How many hours of sunshine does Brentwood have in September?
What is the UV index reading in September in Brentwood?
Average temperature in September
Brentwood, AR
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.4°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Brentwood, 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
Brentwood, AR
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Brentwood, AR
- Average humidity in September: 73%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (72%).
Average rainfall in September
Brentwood, AR
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in September
Brentwood, AR
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in September
Brentwood, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Brentwood, AR
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Brentwood, 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 August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Brentwood, AR
- Average sunshine days in September: 17.6 days
The months with the most sunshine days are January and December (22 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in September
Brentwood, 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
Brentwood, AR
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Brentwood, 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).
Brentwood, Arkansas, USA
Weather forecast for your location
2. Allow the app to use your location
