September weather forecast
Forest Lakes, GA

Share

Weather in September

September, the first month of the autumn in Forest Lakes, is still a warm month, with an average temperature ranging between max 84.7°F (29.3°C) and min 64.9°F (18.3°C).

Temperature

Entering September, the average high-temperature is recorded at a moderately hot 84.7°F (29.3°C), exhibiting a minimal shift from August's 89.2°F (31.8°C). In September, the average low-temperature records at a comfortable 64.9°F (18.3°C) during the nights.

Heat index

For most parts of September, the heat index is evaluated at a tropical 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Note that heat index values are valued for light wind and location in the shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in September is 73%.

Rainfall

In Forest Lakes, in September, during 10.2 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Forest Lakes, during the entire year, the rain falls for 132.6 days and collects up to 14.41" (366mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 7:10 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Forest Lakes, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

The high-temperature, in September, in Forest Lakes, is 84.7°F (29.3°C), while the low-temperature averages to 64.9°F (18.3°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 73%.

How much does it rain in September?

In Forest Lakes, during September, the rain falls for 10.2 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow?

March through December are months without snowfall.

How many hours of daylight does Forest Lakes have in September?

In September, the average day length is 12h and 22min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:10 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.

How many hours of sunshine does Forest Lakes have in September?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium 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
Forest Lakes, GA

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

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.6°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

Average pressure in September
Forest Lakes, GA

Average pressure in September - Forest Lakes, GA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Forest Lakes, GA

Average wind speed in September - Forest Lakes, GA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Forest Lakes, GA

Average humidity in September - Forest Lakes, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are October and November (72%).

Average rainfall in September
Forest Lakes, GA

Average rainfall in September - Forest Lakes, GA
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is October (0.75").

Average rainfall days in September
Forest Lakes, GA

Average rainfall days in September - Forest Lakes, GA
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (6 days).

Average snowfall in September
Forest Lakes, GA

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

The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Forest Lakes, GA

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

The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

Average daylight in September /
Average sunshine in September
Forest Lakes, GA

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 4min

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 6min).

Average sunshine days in September
Forest Lakes, GA

Average sunshine days in September - Forest Lakes, GA
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in September
Forest Lakes, GA

Average UV index in September - Forest Lakes, GA
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Forest Lakes, GA

Average cloud cover in September - Forest Lakes, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in September
Forest Lakes, GA

Average visibility in September - Forest Lakes, 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).

Forest Lakes, Georgia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location