September weather forecastHarrison, GA
September
Weather in September
The first month of the autumn, September, is still a warm month in Harrison, Georgia, with an average temperature ranging between max 85.1°F (29.5°C) and min 67.6°F (19.8°C).Temperature
Harrison ushers in September with an average high-temperature of a warm 85.1°F (29.5°C), showing a close resemblance to the previous month. In Harrison, an average temperature of 67.6°F (19.8°C) is noted during September nights.Heat index
The heat index for September is calculated to be a fiery hot 95°F (35°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Understand that the heat index values take into account shaded locations and mild winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. 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 Harrison, Georgia, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Harrison, during the entire year, the rain falls for 173 days and collects up to 34.33" (872mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In Harrison, Georgia, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:55 pm. On the last day of September, in Harrison, sunrise is at 7:24 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Harrison, GA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in September
Harrison, GA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Harrison, GA
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Harrison, GA
- Average humidity in September: 74%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Harrison, GA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is October (1.97").
Average rainfall days in September
Harrison, GA
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Harrison, GA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Harrison, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 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
Harrison, 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 42min
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 18min).
Average sunshine days in September
Harrison, GA
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (8 days).
Average UV index in September
Harrison, GA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Harrison, GA
- Average cloud cover in September: 30
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Harrison, 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).
