September weather forecastCecil, AL
September
Weather in September
September, the first month of the autumn in Cecil, is still a hot month, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 67.1°F (19.5°C).Temperature
Cecil's shift into September is marked by a subtle change to a still hot 86.9°F (30.5°C) from August's 91°F (32.8°C) in temperature. During September, Cecil experiences an average low-temperature of 67.1°F (19.5°C) at night.Heat index
For September, the heat index is appraised at a torrid 98.6°F (37°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
The average relative humidity in September in Cecil is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.05" (52mm) of precipitation.Snowfall
In Cecil, Alabama, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 22min.On the first day of September in Cecil, sunrise is at 6:19 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:29 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cecil, AL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Cecil, AL
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Cecil, AL
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Cecil, AL
- Average humidity in September: 72%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Cecil, AL
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Cecil, AL
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is August (21.2 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Cecil, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Cecil, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Cecil, AL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Cecil, AL
- Average sunshine days in September: 13.5 days
The months with the most sunshine days are October and November (20.9 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in September
Cecil, AL
- Average UV index in September: 6
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 3).
Average cloud cover in September
Cecil, AL
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Cecil, AL
- 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).





