Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Fairburn's average high-temperature in September is a warm 83.8°F (28.8°C), marking an insignificant difference from the 88.7°F (31.5°C) of August. The temperature in Fairburn dips to an average of 65.3°F (18.5°C) during September nights.Heat index
The heat index value for September is evaluated at a tropical 91.4°F (33°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In Fairburn, Georgia, the average relative humidity in September is 72%.Rainfall
In Fairburn, during September, the rain falls for 13.1 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 177.7 rainfall days, and 40.16" (1020mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Fairburn, 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, in Fairburn, sunrise is at 7:32 am and sunset at 7:23 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Fairburn is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
How hot does it get in Fairburn in September?
What is the average humidity in September in Fairburn?
How many days does it rain in September in Fairburn?
When it does not snow in Fairburn?
What is the average length of the day in September in Fairburn?
What time are sunrise and sunset in September in Fairburn?
How long on average sun shines in September in Fairburn?
What is the UV index intensity in September in Fairburn?
Average temperature in September
Fairburn, GA
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Fairburn, 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
Fairburn, GA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Fairburn, GA
- Average humidity in September: 72%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Fairburn, GA
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is August (4.8").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in September
Fairburn, GA
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Fairburn, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Fairburn, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Fairburn, GA
- Average daylight in September: 12h and 2min
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 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Fairburn, GA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Fairburn, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Fairburn, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in September
Fairburn, 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).
Fairburn, Georgia, USA
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