September weather forecastCreek Island, GA
September
Weather in September
The first month of the autumn, September, is still a tropical month in Creek Island, Georgia, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 69.8°F (21°C).Temperature
Creek Island records a slight change with September's average high-temperatures adjusting to a still hot 86.5°F (30.3°C) from August's 90.7°F (32.6°C). Creek Island records a consistent low-temperature of 69.8°F (21°C) during September nights.Heat index
For most parts of September, the heat index is computed to be a torrid 100.4°F (38°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In Creek Island, the average relative humidity in September is 77%.Rainfall
In Creek Island, in September, during 13.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 154.9 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
The average length of the day in September in Creek Island is 12h and 21min.On the first day of September in Creek Island, sunrise is at 7:02 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:12 pm EDT.
Sunshine
In Creek Island, the average sunshine in September 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 exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Creek Island, GA
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in September: 69.8°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 (42.4°F).
Average pressure in September
Creek Island, GA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Creek Island, 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
Creek Island, GA
- Average humidity in September: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in September
Creek Island, GA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in September
Creek Island, GA
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Creek Island, GA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Creek Island, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is 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
Creek Island, GA
- Average daylight in September: 12h and 24min
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 24min).
Average sunshine days in September
Creek Island, GA
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (8.2 days).
Average UV index in September
Creek Island, 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
Creek Island, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).
Average visibility in September
Creek Island, 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).





