Forest Lakes
Georgia, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Forest Lakes, GA

The first month of the autumn, September, is also a moderately hot month in Forest Lakes, Georgia, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 64.9°F (18.3°C).

Temperature

In Forest Lakes, the average high-temperature in September is essentially the same as in August - a moderately hot 84.7°F (29.3°C). In Forest Lakes, in September, the average low-temperature is 64.9°F (18.3°C).

Heat index

The average heat index is appraised at a hot 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, wind, clothing, and pregnancy affect individual temperature impact. 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 particularly important for children. 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 Forest Lakes is 73%.

Rainfall

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

Snowfall

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

Daylight

In September, the average length of the day in Forest Lakes is 12.4h.

Sunshine

In Forest Lakes, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in Forest Lakes is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Forest Lakes?

In Forest Lakes, Georgia, in September, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in September is estimated at 93.2°F (34°C).

What is the average humidity in September in Forest Lakes?

In Forest Lakes, Georgia, the average relative humidity in September is 73%.

How much does it rain in Forest Lakes in September?

In Forest Lakes, Georgia, in September, it is raining for 10.2 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow in Forest Lakes?

In Forest Lakes snow does not fall in March through December.

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

In Forest Lakes, the average length of the day in September is 12.4h.

How long on average sun shines in September in Forest Lakes?

The average sunshine in September in Forest Lakes is 8.6h.

What is the UV index reading in September in Forest Lakes?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
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 humidity in September - Forest Lakes, GA
  • Average humidity in September: 73%

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

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: 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: 0"

The month with the highest snowfall is January (0.08").
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: 0 days

Months with the highest number of snowfall days are January and February (0.4 days).
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: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5.1h).

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).
Months with the lowest UV index are January and December (UV index 2).