September weather forecastJennette, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Jennette, Arkansas, with an average temperature varying between 64.8°F (18.2°C) and 82.8°F (28.2°C).Temperature
September ushers in an average high-temperature of a moderately hot 82.8°F (28.2°C), aligning closely with the preceding month. During September nights, Jennette records an average temperature of 64.8°F (18.2°C).Heat index
In September, the heat index is estimated at a hot 87.8°F (31°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Consider that heat index readings are for situations in the shade and light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Jennette, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Jennette. Rain falls for 8.3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
In Jennette, snow does not fall in April through September.Daylight
In Jennette, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:28 pm. On the last day of September, in Jennette, sunrise is at 6:56 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine in Jennette is 9.8h.UV index
In September, the average daily maximum UV index in Jennette is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jennette, AR
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.2°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in September
Jennette, 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
Jennette, AR
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Jennette, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Jennette, AR
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
Jennette, AR
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in September
Jennette, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Jennette, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jennette, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- 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: 4h and 48min).
Average sunshine days in September
Jennette, AR
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is August (15.3 days).
Average UV index in September
Jennette, AR
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Jennette, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Jennette, 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).





