September weather forecastBellville, GA
September
Weather in September
September, the first month of the autumn in Bellville, is also a moderately hot month, with an average temperature ranging between min 68.5°F (20.3°C) and max 85.1°F (29.5°C).Temperature
Stepping into September, Bellville records an average high-temperature of a warm 85.1°F (29.5°C), almost consistent with August. In September, the nighttime temperature lowers to an average of 68.5°F (20.3°C).Heat index
The heat index for September is computed to be a very hot 95°F (35°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Note that heat index values are valued for light wind and location in the shade. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The months with the highest humidity are August, September and December, with an average relative humidity of 77%.Rainfall
In Bellville, in September, during 13.8 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 149.6 rainfall days, and 22.52" (572mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In Bellville, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:13 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Bellville, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bellville, GA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in September: 68.5°F
The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in September
Bellville, GA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Bellville, GA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Bellville, GA
- Average humidity in September: 77%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is January (71%).
Average rainfall in September
Bellville, GA
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in September
Bellville, GA
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in September
Bellville, 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 and November (0").
Average snowfall days in September
Bellville, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and March (0.2 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
Bellville, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Bellville, GA
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Bellville, GA
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Bellville, GA
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 30).
Average visibility in September
Bellville, 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).





