September weather forecastSweet Home, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sweet Home, Arkansas, with an average temperature ranging between min 65.1°F (18.4°C) and max 85.3°F (29.6°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's tropical 90.9°F (32.7°C) to a warm 85.3°F (29.6°C). An average nighttime temperature of 65.1°F (18.4°C) is recorded in Sweet Home, Arkansas, during September.Heat index
For September, the heat index is appraised at a hot 93.2°F (34°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly 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 in Sweet Home is 71%.Rainfall
In Sweet Home, during September, the rain falls for 10.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 133.5 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
In Sweet Home, snow does not fall in April through November.Daylight
In September, the average length of the day in Sweet Home is 12h and 23min.On the first day of September in Sweet Home, sunrise is at 6:42 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:53 pm CDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
In Sweet Home, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sweet Home, AR
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in September
Sweet Home, AR
- Average pressure in September: 30"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
Sweet Home, AR
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Sweet Home, AR
- Average humidity in September: 71%
The months with the highest relative humidity are March and December (77%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Sweet Home, AR
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
Sweet Home, AR
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Sweet Home, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Sweet Home, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Sweet Home, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Sweet Home, AR
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Sweet Home, AR
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Sweet Home, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Sweet Home, 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).





