September weather forecastLunet, AR
September
Weather in September
The first month of the autumn, September, is still a tropical month in Lunet, Arkansas, with an average temperature fluctuating between 87.6°F (30.9°C) and 66°F (18.9°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a tropical 93°F (33.9°C) in August to a still hot 87.6°F (30.9°C). Lunet documents a striking divergence from daytime highs, with an average nighttime temperature of 66°F (18.9°C) in September.Heat index
The heat index in September is computed to be a very hot 100.4°F (38°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.The standards for the heat index are set for locations in shade and under light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The months with the lowest humidity are July through October, with an average relative humidity of 71%.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 2.01" (51mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Lunet, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:45 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:56 pm CDT.
Sunshine
In Lunet, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lunet, AR
- Average high temperature in September: 87.6°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in September
Lunet, AR
- Average pressure in September: 29.99"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
Lunet, AR
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Lunet, AR
- Average humidity in September: 71%
The months with the highest relative humidity are February, March and December (80%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall in September
Lunet, AR
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is April (4.88").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Lunet, AR
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Lunet, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Lunet, 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
Lunet, 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: 10h and 0min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Lunet, AR
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Lunet, 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
Lunet, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in September
Lunet, AR
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
