September weather forecastMcNatt Falls, GA
September
Weather in September
September, the first month of the autumn in McNatt Falls, is still a warm month, with an average temperature ranging between min 68.9°F (20.5°C) and max 85.1°F (29.5°C).Temperature
As September takes its course, McNatt Falls's average high-temperature registers at a moderately hot 85.1°F (29.5°C), closely aligning with the preceding month. McNatt Falls, during September nights, observes an average temperature of 68.9°F (20.5°C).Heat index
During September, the heat index is calculated to be a very hot 95°F (35°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
In September, the average relative humidity is 76%.Rainfall
In September, in McNatt Falls, the rain falls for 16.6 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 176.9 rainfall days, and 33.62" (854mm) of precipitation is accumulated.Snowfall
In McNatt Falls, snow does not fall in February through December.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:15 pm EDT.
Sunshine
In McNatt Falls, Georgia, the average sunshine in September is 8.6h.UV index
In McNatt Falls, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McNatt Falls, GA
- Average high temperature in September: 85.1°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 (57.6°F).
- Average low temperature in September: 68.9°F
The months with the highest average low temperature are July and August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in September
McNatt Falls, GA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
McNatt Falls, GA
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
McNatt Falls, GA
- Average humidity in September: 76%
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in September
McNatt Falls, GA
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in September
McNatt Falls, GA
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
McNatt Falls, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
McNatt Falls, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
McNatt Falls, 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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
McNatt Falls, GA
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (4.4 days).
Average UV index in September
McNatt Falls, GA
- Average UV index in September: 6
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
McNatt Falls, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
McNatt Falls, 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).





