September weather forecastMount Zion, GA
September
Weather in September
The first month of the autumn, September, is still a warm month in Mount Zion, Georgia, with an average temperature fluctuating between 83.3°F (28.5°C) and 64°F (17.8°C).Temperature
Transitioning from August to September, Mount Zion observes an average high-temperature of a warm 83.3°F (28.5°C), differing subtly from the previous month. Mount Zion throughout September, records an average low-temperature of 64°F (17.8°C).Heat index
In September, the average heat index is evaluated at a hot 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Heat index values are typically calculated for conditions of shade and a light breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in September is 75%.Rainfall
In Mount Zion, in September, it is raining for 13.7 days, with typically 2.87" (73mm) of accumulated precipitation. In Mount Zion, during the entire year, the rain falls for 180.2 days and collects up to 41.5" (1054mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Mount Zion, Georgia, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:26 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Mount Zion, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Zion, GA
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
Mount Zion, GA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Mount Zion, GA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Mount Zion, 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
Mount Zion, GA
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is October (1.97").
Average rainfall days in September
Mount Zion, GA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is October (8.6 days).
Average snowfall in September
Mount Zion, GA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mount Zion, 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
Mount Zion, 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: 10h and 0min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Mount Zion, GA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in September
Mount Zion, 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, February, November and December (UV index 3).
Average cloud cover in September
Mount Zion, GA
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 32).
Average visibility in September
Mount Zion, GA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).





