September weather forecastEast Newnan, GA
September
Weather in September
The first month of the autumn, September, is still a warm month in East Newnan, Georgia, with an average temperature varying between 83.7°F (28.7°C) and 64.8°F (18.2°C).Temperature
Transitioning into September, East Newnan experiences an average high-temperature of a moderately hot 83.7°F (28.7°C), marking a minor shift from the preceding month. Throughout the month of September, East Newnan observes an average nighttime temperature of 64.8°F (18.2°C).Heat index
The average heat index in September is evaluated at a tropical 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Know that the heat index computations account for shaded terrains and slight winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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 hold particular significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In September, the average relative humidity in East Newnan is 74%.Rainfall
The month with the least rainfall in East Newnan is September, when the rain falls for 8.4 days and typically collects 0.35" (9mm) of precipitation.Snowfall
February, April through December are months without snowfall in East Newnan.Daylight
The average length of the day in September in East Newnan is 12h and 22min.On the first day of September, sunrise is at 7:13 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:24 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In East Newnan, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 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. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
East Newnan, GA
- Average high temperature in September: 83.7°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 (51.8°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
East Newnan, GA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
East Newnan, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
East Newnan, GA
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in September
East Newnan, GA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
East Newnan, GA
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is October (5.2 days).
Average snowfall in September
East Newnan, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and March (0.04").
The months with the least snowfall are February, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
East Newnan, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
East Newnan, GA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 42min
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 6min).
Average sunshine days in September
East Newnan, GA
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
East Newnan, GA
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
East Newnan, GA
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in September
East Newnan, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





