September weather forecastChatterton, GA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Chatterton, Georgia, with an average temperature ranging between min 69.1°F (20.6°C) and max 84.9°F (29.4°C).Temperature
The onset of September brings an average high-temperature of a warm 84.9°F (29.4°C), nearly matching the August temperature. In September, the average low-temperature in Chatterton records at an agreeable 69.1°F (20.6°C) during the nights.Heat index
The heat index in September is estimated at a very hot 95°F (35°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Bear in mind that the heat index values are determined for shaded areas and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 78%.Rainfall
In Chatterton, during September, the rain falls for 13.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 134.6 rainfall days, and 14.84" (377mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
In September, the average length of the day is 12h and 21min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index in Chatterton, Georgia, is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chatterton, GA
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (57.9°F).
- Average low temperature in September: 69.1°F
The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in September
Chatterton, 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
Chatterton, GA
- Average wind speed in September: 6.1mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Chatterton, GA
- Average humidity in September: 78%
The months with the highest relative humidity are August and September (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in September
Chatterton, GA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is June (2.24").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in September
Chatterton, GA
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (5 days).
Average snowfall in September
Chatterton, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Chatterton, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Chatterton, GA
- Average daylight in September: 12h and 18min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Chatterton, GA
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (8.8 days).
Average UV index in September
Chatterton, GA
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Chatterton, GA
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Chatterton, 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).
