September weather forecast
Oakbrook Forest, GA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Oakbrook Forest, Georgia, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 64.9°F (18.3°C).

Temperature

A subtle shift in Oakbrook Forest's weather is observed as August turns into September, with the average high temperature reducing from a tropical 89.1°F (31.7°C) to a moderately hot 83.7°F (28.7°C). An average low-temperature of 64.9°F (18.3°C) marks the month of September in Oakbrook Forest.

Heat index

The heat index value during September is appraised at a hot 89.6°F (32°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In Oakbrook Forest, the average relative humidity in September is 70%.

Rainfall

In Oakbrook Forest, in September, it is raining for 12.3 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, in Oakbrook Forest, there are 172.5 rainfall days, and 40.59" (1031mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Oakbrook Forest.

Daylight

In September, the average length of the day in Oakbrook Forest is 12h and 22min.
On the first day of September, sunrise is at 7:10 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.

Sunshine

The average sunshine in September in Oakbrook Forest is 8.4h.

UV index

In Oakbrook Forest, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 during September leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Oakbrook Forest in September?

The high-temperature, in September, in Oakbrook Forest, is 83.7°F (28.7°C), while the low-temperature averages to 64.9°F (18.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in September in Oakbrook Forest?

The average relative humidity in September is 70%.

How much does it rain in Oakbrook Forest in September?

In Oakbrook Forest, Georgia, during September, the rain falls for 12.3 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Oakbrook Forest?

April through October are months without snowfall in Oakbrook Forest, Georgia.

What is the average length of the day in September in Oakbrook Forest?

The average day length in September in Oakbrook Forest is 12h and 22min.

What time are sunrise and sunset in September in Oakbrook Forest?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:01 pm. On the last day of the month, in Oakbrook Forest, sunrise is at 7:30 am and sunset at 7:21 pm EDT.

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

In September, the average sunshine duration in Oakbrook Forest, Georgia, is 8.4h.

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

In Oakbrook Forest, 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 unprotected exposure to UV radiation.
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
Oakbrook Forest, GA

Average temperature in September - Oakbrook Forest, GA
  • Average high temperature in September: 83.7°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 (49.6°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in September
Oakbrook Forest, GA

Average pressure in September - Oakbrook Forest, GA
  • Average pressure in September: 30.03"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
Oakbrook Forest, GA

Average wind speed in September - Oakbrook Forest, GA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in September
Oakbrook Forest, GA

Average humidity in September - Oakbrook Forest, GA
  • Average humidity in September: 70%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in September
Oakbrook Forest, GA

Average rainfall in September - Oakbrook Forest, GA
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is October (2.17").

Average rainfall days in September
Oakbrook Forest, GA

Average rainfall days in September - Oakbrook Forest, GA
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (20 days).
The months with the least rainy days are October and November (9.7 days).

Average snowfall in September
Oakbrook Forest, GA

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

The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Oakbrook Forest, GA

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

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Oakbrook Forest, GA

Average sunshine days in September - Oakbrook Forest, GA
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (9 days).

Average UV index in September
Oakbrook Forest, GA

Average UV index in September - Oakbrook Forest, 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
Oakbrook Forest, GA

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

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September
Oakbrook Forest, GA

Average visibility in September - Oakbrook Forest, 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).

Oakbrook Forest, Georgia, USA

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