September weather forecastAltamaha Park, GA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Altamaha Park, Georgia, with an average temperature ranging between min 72.5°F (22.5°C) and max 85.6°F (29.8°C).Temperature
Altamaha Park signifies an average high-temperature of a moderately hot 85.6°F (29.8°C) in September, closely mirroring the 90.1°F (32.3°C) of August. During September, Altamaha Park sees a mean low-temperature of 72.5°F (22.5°C).Heat index
September's average heat index is estimated at a torrid 96.8°F (36°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Altamaha Park, during September, the rain falls for 14.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Altamaha Park, during the entire year, the rain falls for 155.7 days and collects up to 26.57" (675mm) of precipitation.Snowfall
In Altamaha Park, snow does not fall in January, March through November.Daylight
In Altamaha Park, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 7:02 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:12 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altamaha Park, GA
- Average high temperature in September: 85.6°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 (59.7°F).
- Average low temperature in September: 72.5°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in September
Altamaha Park, GA
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in September
Altamaha Park, GA
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Altamaha Park, GA
- Average humidity in September: 77%
The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Altamaha Park, GA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Altamaha Park, GA
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (7.9 days).
Average snowfall days in September
Altamaha Park, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Altamaha Park, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Altamaha Park, GA
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in September
Altamaha Park, 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
Altamaha Park, GA
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Altamaha Park, 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).
