September weather forecastCook Heights, GA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cook Heights, Georgia, with an average temperature varying between 85.3°F (29.6°C) and 69.1°F (20.6°C).Temperature
As Cook Heights, Georgia, welcomes September, the average high-temperature stabilizes at a warm 85.3°F (29.6°C), showing little deviation from August's 89.8°F (32.1°C). An average nighttime temperature of 69.1°F (20.6°C) is noted during the month of September.Heat index
During September, the heat index is computed to be a torrid 96.8°F (36°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.The standards for the heat index are set for locations in shade and under light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
August, September and December, with an average relative humidity of 77%, are the most humid months in Cook Heights.Rainfall
In Cook Heights, in September, it is raining for 11.6 days, with typically 0.59" (15mm) of accumulated precipitation. In Cook Heights, during the entire year, the rain falls for 115.3 days and collects up to 10.35" (263mm) of precipitation.Snowfall
In Cook Heights, snow does not fall in February through December.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:52 pm. On the last day of September, in Cook Heights, sunrise is at 7:23 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cook Heights, GA
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in September: 69.1°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in September
Cook Heights, GA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Cook Heights, GA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Cook Heights, GA
- Average humidity in September: 77%
The months with the highest relative humidity are August, September and December (77%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in September
Cook Heights, GA
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is August (1.54").
The driest months (with the least rainfall) are January and November (0.47").
Average rainfall days in September
Cook Heights, GA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is November (4.9 days).
Average snowfall days in September
Cook Heights, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Cook Heights, GA
- 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Cook Heights, GA
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in September
Cook Heights, GA
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Cook Heights, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Cook Heights, GA
- 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).





