September weather forecastJesup, GA
September
Weather in September
The first month of the autumn, September, is still a tropical month in Jesup, Georgia, with an average temperature fluctuating between 86°F (30°C) and 69.6°F (20.9°C).Temperature
A minor adjustment in Jesup's average high-temperature is noted with the start of September, touching a still tropical 86°F (30°C) from August's 90.3°F (32.4°C). Jesup experiences a mean temperature of 69.6°F (20.9°C) during September nights.Heat index
Throughout September, the heat index is evaluated at a torrid 98.6°F (37°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. 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. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 78%.Rainfall
In September, in Jesup, the rain falls for 13.9 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. In Jesup, during the entire year, the rain falls for 153.5 days and collects up to 24.49" (622mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Jesup, Georgia, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:13 pm EDT.
Sunshine
In Jesup, the average sunshine in September is 8.5h.UV index
In Jesup, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 6 in September transforms into this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun 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
Jesup, GA
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in September: 69.6°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure in September
Jesup, 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
Jesup, GA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Jesup, GA
- Average humidity in September: 78%
The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in September
Jesup, GA
- Average rainfall in September: 1.77"
The wettest months (with the highest rainfall) are June and August (2.72").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in September
Jesup, GA
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Jesup, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
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
Jesup, 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 and November (0 days).
Average daylight in September /
Average sunshine in September
Jesup, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Jesup, GA
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in September
Jesup, GA
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Jesup, GA
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are July and October (Cloud cover 30).
Average visibility in September
Jesup, 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).
