September weather forecastFort Payne, AL
September
Weather in September
September, the first month of the autumn in Fort Payne, is still a warm month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 81.3°F (27.4°C).Temperature
September reports an average high-temperature of a moderately hot 81.3°F (27.4°C), slightly varied from August's 86.5°F (30.3°C). The nighttime temperature in Fort Payne, during September, averages of 61.9°F (16.6°C).Heat index
For most parts of September, the heat index is evaluated at a tropical 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Fort Payne, the average relative humidity in September is 77%.Rainfall
The months with the least rainfall are September and October Rain falls for 14.4 days and accumulates 2.95" (75mm) of rain.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:27 pm CDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Fort Payne, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fort Payne, AL
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in September
Fort Payne, AL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Fort Payne, AL
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Fort Payne, AL
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Fort Payne, AL
- Average rainfall in September: 2.95"
The wettest month (with the highest rainfall) is February (4.84").
The driest months (with the least rainfall) are September and October (2.95").
Average rainfall days in September
Fort Payne, AL
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Fort Payne, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Fort Payne, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fort Payne, AL
- 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: 9h and 54min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Fort Payne, AL
- Average sunshine days in September: 13.9 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Fort Payne, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Fort Payne, AL
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Fort Payne, AL
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
