September weather forecastFranklin, AR
September
Weather in September
September, the first month of the autumn in Franklin, is still a warm month, with an average temperature fluctuating between 81.9°F (27.7°C) and 61.5°F (16.4°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a hot 88.7°F (31.5°C) to a moderately hot 81.9°F (27.7°C). Franklin witnesses an average low-temperature of 61.5°F (16.4°C) throughout the month of September.Heat index
The heat index value for September is calculated to be a hot 87.8°F (31°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Heat index determinations are made taking into account the shade and light air movements. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 74%.Rainfall
The month with the least rainfall in Franklin is September, when the rain falls for 11.9 days and typically collects 1.73" (44mm) of precipitation.Snowfall
April through October are months without snowfall in Franklin, Arkansas.Daylight
In Franklin, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:39 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm CDT.
Sunshine
In Franklin, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Franklin, AR
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Franklin, AR
- Average pressure in September: 30.02"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
Franklin, AR
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are January, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Franklin, AR
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Franklin, AR
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Franklin, AR
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in September
Franklin, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Franklin, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Franklin, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Franklin, AR
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Franklin, 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 and December (UV index 2).
Average cloud cover in September
Franklin, AR
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Franklin, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





