September weather forecast
Sparks, GA

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Weather in September

The first month of the autumn, September, is still a warm month in Sparks, Georgia, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 69.3°F (20.7°C).

Temperature

At the start of September, Sparks's average high-temperature reaches a warm 85.5°F (29.7°C), subtly different from the preceding month. Sparks experiences an average low-temperature reading of 69.3°F (20.7°C) throughout September.

Heat index

Throughout September, the heat index is calculated to be a very hot 96.8°F (36°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Sparks, Georgia, in September, during 18.3 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Sparks, during the entire year, the rain falls for 180 days and collects up to 32.99" (838mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In Sparks, Georgia, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 7:10 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:19 pm EDT.

Sunshine

In Sparks, Georgia, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September in Sparks is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 6 turns into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The high-temperature, in September, in Sparks, is 85.5°F (29.7°C), while the low-temperature averages to 69.3°F (20.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 96.8°F (36°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

How much does it rain in September?

In September, the rain falls for 18.3 days. Throughout September, 2.72" (69mm) of precipitation is accumulated.

When it does not snow?

In Sparks, snow does not fall in February through December.

What is the average length of the day in September?

In September, the average day length is 12h and 20min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:10 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:19 pm EDT.

How many hours of sunshine does Sparks have in September?

In Sparks, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sparks, GA

Average temperature in September - Sparks, GA
  • Average high temperature in September: 85.5°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in September: 69.3°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in September
Sparks, GA

Average pressure in September - Sparks, GA
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in September
Sparks, GA

Average wind speed in September - Sparks, GA
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Sparks, GA

Average humidity in September - Sparks, GA
  • Average humidity in September: 77%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Sparks, GA

Average rainfall in September - Sparks, GA
  • Average rainfall in September: 2.72"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is November (1.42").

Average rainfall days in September
Sparks, GA

Average rainfall days in September - Sparks, GA
  • Average rainfall days in September: 18.3 days

The months with the highest number of rainy days are July and August (25.2 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in September
Sparks, GA

Average snowfall in September - Sparks, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Sparks, GA

Average snowfall days in September - Sparks, GA
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Sparks, GA

Average daylight in September / Average sunshine in September - Sparks, GA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Sparks, GA

Average sunshine days in September - Sparks, GA
  • Average sunshine days in September: 10.2 days

The month with the most sunshine days is November (21.1 days).
The months with the least sunshine days are July and August (4 days).

Average UV index in September
Sparks, GA

Average UV index in September - Sparks, GA
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September
Sparks, GA

Average cloud cover in September - Sparks, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 29).

Average visibility in September
Sparks, GA

Average visibility in September - Sparks, GA
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).

Sparks, Georgia, USA

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