September weather forecastTupelo, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Tupelo, Arkansas, with an average temperature varying between 83.3°F (28.5°C) and 64.8°F (18.2°C).Temperature
The shift into September records an average high-temperature of a warm 83.3°F (28.5°C), subtly varied from August's 87.6°F (30.9°C). Throughout the month of September, Tupelo observes an average nighttime temperature of 64.8°F (18.2°C).Heat index
September's heat index is calculated to be a tropical 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In Tupelo, Arkansas, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 8.6 days and accumulates 0.63" (16mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:37 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:49 pm CDT.
Sunshine
In Tupelo, the average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Undertake protective steps - Preventing sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tupelo, AR
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°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 (33.4°F).
Average pressure in September
Tupelo, 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
Tupelo, AR
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Tupelo, 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 (67%).
Average rainfall in September
Tupelo, AR
- Average rainfall in September: 0.63"
The wettest months (with the highest rainfall) are April and May (1.57").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in September
Tupelo, AR
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Tupelo, AR
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Tupelo, AR
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.1 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
Tupelo, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Tupelo, AR
- Average sunshine days in September: 17.9 days
The months with the most sunshine days are January and October (21.9 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in September
Tupelo, AR
- Average UV index in September: 5
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
Tupelo, 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 24).
Average visibility in September
Tupelo, 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).





