September weather forecastCassville, GA
September
Weather in September
The first month of the autumn, September, is still a warm month in Cassville, Georgia, with an average temperature varying between 62.6°F (17°C) and 83.3°F (28.5°C).Temperature
The commencement of September introduces an average high-temperature of a moderately hot 83.3°F (28.5°C), closely mirroring the preceding month. Nighttime temperatures consistently average a refreshing 62.6°F (17°C) during September.Heat index
The heat index in September is computed to be a tropical 89.6°F (32°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall in Cassville, Georgia. Rain falls for 9.3 days and accumulates 0.51" (13mm) of precipitation.Snowfall
In Cassville, snow does not fall in March through November.Daylight
In September, the average length of the day in Cassville is 12h and 23min.On the first day of September in Cassville, sunrise is at 7:13 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cassville, GA
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Cassville, GA
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Cassville, GA
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Cassville, GA
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Cassville, GA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in September
Cassville, GA
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (5.8 days).
Average snowfall in September
Cassville, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (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
Cassville, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Cassville, GA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 30min
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 0min).
Average sunshine days in September
Cassville, GA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is October (22.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Cassville, 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 January (UV index 2).
Average cloud cover in September
Cassville, GA
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Cassville, 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).





