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
The shift into September records an average high-temperature of a moderately hot 84.7°F (29.3°C), subtly varied from August's 88.9°F (31.6°C). In the month of September, the average temperature dips to an enjoyable 64.9°F (18.3°C) during the night.Heat index
The heat index in September is computed to be a tropical 93.2°F (34°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Harrisonville, the average relative humidity in September is 74%.Rainfall
In Harrisonville, in September, it is raining for 11.7 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Harrisonville, there are 148.5 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
In Harrisonville, snow does not fall in March through November.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Harrisonville, sunrise is at 7:14 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September in Harrisonville?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Harrisonville have in September?
When are sunrise and sunset in September in Harrisonville?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Harrisonville, GA
- Average high temperature in September: 84.7°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 (52.3°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Harrisonville, 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 (29.98"Hg).
Average wind speed in September
Harrisonville, GA
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Harrisonville, GA
- Average humidity in September: 74%
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
Harrisonville, GA
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is July (2.8").
The driest month (with the least rainfall) is October (1.02").
Average rainfall days in September
Harrisonville, GA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in September
Harrisonville, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Harrisonville, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Harrisonville, 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 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Harrisonville, GA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in September
Harrisonville, GA
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Harrisonville, GA
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Harrisonville, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Harrisonville, Georgia, USA
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