September weather forecastChattahoochee Landing, GA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Chattahoochee Landing, Georgia, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 62.6°F (17°C).Temperature
Chattahoochee Landing ushers in September with an average high-temperature of a moderately hot 82.8°F (28.2°C), showing a close resemblance to the previous month. Throughout the nights in September, an average low-temperature of 62.6°F (17°C) is noted.Heat index
For most parts of September, the heat index is computed to be a hot 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Know that the heat index computations account for shaded terrains and slight winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Chattahoochee Landing, the average relative humidity in September is 74%.Rainfall
In Chattahoochee Landing, during September, the rain falls for 13.4 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Chattahoochee Landing, during the entire year, the rain falls for 181.4 days and collects up to 41.93" (1065mm) of precipitation.Snowfall
In Chattahoochee Landing, snow does not fall in April through October.Daylight
In September, the average length of the day in Chattahoochee Landing is 12h and 23min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:01 pm. On the last day of September, in Chattahoochee Landing, sunrise is at 7:29 am and sunset at 7:20 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index in Chattahoochee Landing is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chattahoochee Landing, GA
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Chattahoochee Landing, GA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Chattahoochee Landing, GA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Chattahoochee Landing, GA
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July, August, October and November (73%).
Average rainfall in September
Chattahoochee Landing, GA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is October (2.36").
Average rainfall days in September
Chattahoochee Landing, GA
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is October (10.1 days).
Average snowfall in September
Chattahoochee Landing, GA
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Chattahoochee Landing, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chattahoochee Landing, 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: 9h and 54min).
- 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 12min).
Average sunshine days in September
Chattahoochee Landing, GA
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Chattahoochee Landing, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Chattahoochee Landing, GA
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Chattahoochee Landing, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
