September weather forecastStephens, GA
September
Weather in September
The first month of the autumn, September, is still a warm month in Stephens, Georgia, with an average temperature fluctuating between 85.1°F (29.5°C) and 65.1°F (18.4°C).Temperature
Welcoming September, Stephens notes an average high-temperature of a warm 85.1°F (29.5°C), nearly consistent with August's 90.1°F (32.3°C). Stephens experiences a nighttime temperature average of 65.1°F (18.4°C) during September.Heat index
The heat index value during September is estimated at a very hot 95°F (35°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In Stephens, snow does not fall in April through November.Daylight
In Stephens, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:57 pm. On the last day of September, in Stephens, sunrise is at 7:26 am and sunset at 7:17 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stephens, GA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Stephens, GA
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Stephens, GA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Stephens, GA
- Average humidity in September: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, October and November (72%).
Average rainfall in September
Stephens, GA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is August (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Stephens, GA
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Stephens, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Stephens, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Stephens, GA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 30min
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
Stephens, GA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in September
Stephens, GA
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Stephens, GA
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Stephens, 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).





