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
Ball Ground's September reports an average high-temperature of a warm 82.6°F (28.1°C), exhibiting a minor difference from August. Ball Ground experiences an average low-temperature reading of 63.3°F (17.4°C) throughout September.Heat index
For most parts of September, the heat index is calculated to be a tropical 87.8°F (31°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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 largely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Ball Ground, the average relative humidity in September is 73%.Rainfall
In Ball Ground, Georgia, during September, the rain falls for 12.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Ball Ground, Georgia, during the entire year, the rain falls for 178.9 days and collects up to 42.95" (1091mm) of precipitation.Snowfall
In Ball Ground, snow does not fall in April through October.Daylight
In September, the average length of the day in Ball Ground, Georgia, is 12h and 23min.On the first day of September, sunrise is at 7:11 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September in Ball Ground is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. It's recommended to limit sun exposure when its radiation is at its peak during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Ball Ground in September?
What is the average humidity in September in Ball Ground?
How many days does it rain in September in Ball Ground?
When it does not snow in Ball Ground?
How many hours of daylight does Ball Ground have in September?
When are sunrise and sunset in September in Ball Ground?
How many hours of sunshine does Ball Ground have in September?
How high is the UV index in September in Ball Ground?
Average temperature in September
Ball Ground, GA
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Ball Ground, 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
Ball Ground, GA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Ball Ground, GA
- Average humidity in September: 73%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Ball Ground, GA
- Average rainfall in September: 2.64"
The wettest months (with the highest rainfall) are May and August (4.25").
The driest month (with the least rainfall) is October (2.52").
Average rainfall days in September
Ball Ground, GA
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Ball Ground, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ball Ground, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ball Ground, GA
- Average daylight in September: 12h and 2min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Ball Ground, GA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is June (9 days).
Average UV index in September
Ball Ground, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Ball Ground, GA
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
Ball Ground, GA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Ball Ground, Georgia, USA
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