September weather forecastCharlotte, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Charlotte, Arkansas, with an average temperature fluctuating between 62.4°F (16.9°C) and 82.2°F (27.9°C).Temperature
The arrival of September corresponds with a light shift in temperature, down from a tropical 88.7°F (31.5°C) in August to a moderately hot 82.2°F (27.9°C). In Charlotte, the average temperature during the nights of September drops to an enjoyable 62.4°F (16.9°C).Heat index
During September, the heat index is appraised at a tropical 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Heat index determinations are made taking into account the shade and light air movements. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.81" (46mm) of precipitation.Snowfall
In Charlotte, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:38 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:50 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Charlotte, AR
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Charlotte, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Charlotte, AR
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January, February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Charlotte, AR
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Charlotte, AR
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Charlotte, AR
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is December (8.6 days).
Average snowfall in September
Charlotte, AR
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Charlotte, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Charlotte, 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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Charlotte, AR
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Charlotte, 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 and December (UV index 2).
Average cloud cover in September
Charlotte, AR
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Charlotte, 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).
