September weather forecast
Grove Lakes South, GA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Grove Lakes South, Georgia, with an average temperature ranging between min 68.2°F (20.1°C) and max 84.7°F (29.3°C).

Temperature

The arrival of September records an average high-temperature of a warm 84.7°F (29.3°C), closely related to the 88.9°F (31.6°C) observed in August. An average minimum temperature of 68.2°F (20.1°C) marks the month of September in Grove Lakes South.

Heat index

Throughout September, the heat index is evaluated at a very hot 95°F (35°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In Grove Lakes South, the average relative humidity in September is 77%.

Rainfall

In Grove Lakes South, in September, it is raining for 13.1 days, with typically 0.98" (25mm) of accumulated precipitation. In Grove Lakes South, during the entire year, the rain falls for 140.8 days and collects up to 17.09" (434mm) of precipitation.

Snowfall

March through December are months without snowfall in Grove Lakes South.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September in Grove Lakes South, sunrise is at 7:02 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:12 pm EDT.

Sunshine

In Grove Lakes South, Georgia, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Grove Lakes South is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Grove Lakes South in September?

The average high-temperature and low-temperature during September are 84.7°F (29.3°C) and 68.2°F (20.1°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 95°F (35°C).

What is the average humidity in September in Grove Lakes South?

The average relative humidity in September in Grove Lakes South is 77%.

How many days does it rain in September in Grove Lakes South?

In Grove Lakes South, in September, during 13.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

When it does not snow in Grove Lakes South?

In Grove Lakes South, Georgia, snow does not fall in March through December.

What is the average length of the day in September in Grove Lakes South?

In Grove Lakes South, Georgia, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Grove Lakes South?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 7:51 pm. On the last day of the month, in Grove Lakes South, Georgia, sunrise is at 7:20 am and sunset at 7:12 pm EDT.

How long on average sun shines in September in Grove Lakes South?

In Grove Lakes South, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in Grove Lakes South?

The average daily maximum UV index in September in Grove Lakes South, Georgia, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Grove Lakes South, GA

Average temperature in September - Grove Lakes South, GA
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 68.2°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in September
Grove Lakes South, GA

Average pressure in September - Grove Lakes South, GA
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Grove Lakes South, GA

Average wind speed in September - Grove Lakes South, GA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Grove Lakes South, GA

Average humidity in September - Grove Lakes South, GA
  • Average humidity in September: 77%

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

Average rainfall in September
Grove Lakes South, GA

Average rainfall in September - Grove Lakes South, GA
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is November (0.75").

Average rainfall days in September
Grove Lakes South, GA

Average rainfall days in September - Grove Lakes South, GA
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (5.8 days).

Average snowfall in September
Grove Lakes South, GA

Average snowfall in September - Grove Lakes South, GA
  • Average snowfall in September: 0"

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

Average snowfall days in September
Grove Lakes South, GA

Average snowfall days in September - Grove Lakes South, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 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
Grove Lakes South, GA

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

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 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
Grove Lakes South, GA

Average sunshine days in September - Grove Lakes South, GA
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is August (8.9 days).

Average UV index in September
Grove Lakes South, GA

Average UV index in September - Grove Lakes South, GA
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Grove Lakes South, GA

Average cloud cover in September - Grove Lakes South, GA
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Grove Lakes South, GA

Average visibility in September - Grove Lakes South, GA
  • Average visibility in September: 6mi

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

Grove Lakes South, Georgia, USA

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