September weather forecastAugusta, GA
September
Weather in September
September represents the advent of fall in Augusta, with temperatures beginning to decrease appreciably from thirty consecutive days of summer heat. During this transition, the city continues to be somewhat rainy, receiving 1.65" (42mm) of rainfall on average. With daylight hours reducing to 12.4 hours, September sets the mood for the brief yet delightful fall season. The weather in September invites tourists and locals to relish the outdoor scene ahead of cooling October weather.Temperature
September is marked by an average high-temperature of a still hot 86°F (30°C), almost identical to the preceding month. During September, an average low-temperature of 67.6°F (19.8°C) is observed.Heat index
During September, the heat index is evaluated at a torrid 95°F (35°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
The average relative humidity in September is 69%.Rainfall
September is the month with the least rainfall in Augusta, Georgia. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.Snowfall
In Augusta, snow does not fall in April through November.Daylight
In September, the average length of the day in Augusta is 12h and 22min.On the first day of September in Augusta, sunrise is at 7:02 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm EDT.
Sunshine
In Augusta, the average sunshine in September is 8.4h.UV index
In Augusta, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Augusta, GA
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (74.1°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in September
Augusta, GA
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Augusta, GA
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Augusta, GA
- Average humidity in September: 69%
The month with the highest relative humidity is December (74%).
The month with the lowest relative humidity is July (67%).
Average rainfall in September
Augusta, GA
- Average rainfall in September: 1.65"
The wettest months (with the highest rainfall) are April and December (3.31").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Augusta, GA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Augusta, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Augusta, GA
- 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
Augusta, 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 24min
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 18min).
Average sunshine days in September
Augusta, GA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (10.1 days).
Average UV index in September
Augusta, GA
- Average UV index in September: 6
The months with the highest UV index are 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
Augusta, GA
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Augusta, 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).
