September weather forecastSummer Brooke, GA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Summer Brooke, Georgia, with an average temperature varying between 83.7°F (28.7°C) and 65.1°F (18.4°C).Temperature
In Summer Brooke, September's average high-temperature stands at a moderately hot 83.7°F (28.7°C), closely related to the preceding month. In Summer Brooke, an average temperature of 65.1°F (18.4°C) is noted during September nights.Heat index
The heat index value during September is appraised at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Understand that the heat index values take into account shaded locations and mild winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In Summer Brooke, the average relative humidity in September is 73%.Rainfall
In Summer Brooke, during September, the rain falls for 13.7 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Summer Brooke, during the entire year, the rain falls for 179.7 days and collects up to 39.76" (1010mm) of precipitation.Snowfall
April through October are months without snowfall in Summer Brooke.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:12 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The months with the highest UV index in Summer Brooke, Georgia, are May through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 6 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Summer Brooke, GA
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
Summer Brooke, 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 (29.99"Hg).
Average wind speed in September
Summer Brooke, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Summer Brooke, GA
- Average humidity in September: 73%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in September
Summer Brooke, GA
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in September
Summer Brooke, GA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Summer Brooke, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Summer Brooke, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Summer Brooke, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Summer Brooke, GA
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Summer Brooke, GA
- Average UV index in September: 6
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Summer Brooke, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in September
Summer Brooke, 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).





