September weather forecastJackson, GA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Jackson, Georgia, with an average temperature fluctuating between 84.7°F (29.3°C) and 65.7°F (18.7°C).Temperature
The transition into September notes an average high-temperature of a moderately hot 84.7°F (29.3°C), revealing a mild distinction from the 89.2°F (31.8°C) in August. Jackson reports an average low-temperature of 65.7°F (18.7°C) during the nights of September.Heat index
The average heat index in September is evaluated at a tropical 93.2°F (34°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 73%.Rainfall
September and October are months with the least rain in Jackson when the rain falls for 12.6 days and typically aggregates up to 2.09" (53mm) of rain.Snowfall
In Jackson, snow does not fall in April through November.Daylight
In Jackson, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:21 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during September leads to these advisories:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jackson, GA
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 65.7°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in September
Jackson, 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
Jackson, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Jackson, GA
- Average humidity in September: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in September
Jackson, GA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (4.57").
The driest months (with the least rainfall) are September and October (2.09").
Average rainfall days in September
Jackson, GA
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Jackson, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Jackson, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.4 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
Jackson, 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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Jackson, GA
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in September
Jackson, 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 and December (UV index 3).
Average cloud cover in September
Jackson, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 44).
The months with the least cloud cover are June and October (Cloud cover 30).
Average visibility in September
Jackson, 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).





