September weather forecastSnow Lake, AR
September
Weather in September
September, the first month of the autumn in Snow Lake, is also a moderately hot month, with temperature in the range of an average low of 66.9°F (19.4°C) and an average high of 85.6°F (29.8°C).Temperature
The arrival of September sees a recorded average high-temperature of a moderately hot 85.6°F (29.8°C), showing little divergence from the previous month's conditions. Snow Lake records an average low of 66.9°F (19.4°C) throughout the nights in September.Heat index
During September, the heat index is estimated at a sweltering 95°F (35°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. 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 'feels like' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 extremely significant for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In Snow Lake, the average relative humidity in September is 71%.Rainfall
The month with the least rainfall in Snow Lake, Arkansas, is September, when the rain falls for 8.5 days and typically collects 0.43" (11mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Snow Lake, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:29 pm. On the last day of September, in Snow Lake, sunrise is at 6:58 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in September in Snow Lake is 9.9h.UV index
The average daily maximum UV index in September in Snow Lake is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Snow Lake, AR
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in September: 66.9°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in September
Snow Lake, 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 (29.95"Hg).
Average wind speed in September
Snow Lake, AR
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Snow Lake, AR
- Average humidity in September: 71%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Snow Lake, AR
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is April (1.34").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
Snow Lake, AR
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
Snow Lake, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Snow Lake, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Snow Lake, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Snow Lake, AR
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is October (23 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in September
Snow Lake, AR
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Snow Lake, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Snow Lake, 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).





