September weather forecast
Chestnut Oak Hills, GA

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Weather in September

The first month of the autumn, September, is still a warm month in Chestnut Oak Hills, Georgia, with an average temperature ranging between max 82.8°F (28.2°C) and min 62.6°F (17°C).

Temperature

September's presence marks an average high-temperature of a moderately hot 82.8°F (28.2°C), subtly varied from August's 87.6°F (30.9°C). In Chestnut Oak Hills, the expected average low-temperature for September is a comfortable 62.6°F (17°C).

Heat index

For most parts of September, the heat index is estimated at a tropical 89.6°F (32°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. With 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 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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

In September, the average relative humidity is 74%.

Rainfall

In Chestnut Oak Hills, in September, during 13.4 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Chestnut Oak Hills, during the entire year, the rain falls for 181.4 days and collects up to 41.93" (1065mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Chestnut Oak Hills, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 7:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:20 pm EDT.

Sunshine

In September, the average sunshine in Chestnut Oak Hills is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

In September, the average high-temperature and low-temperature are 82.8°F (28.2°C) and 62.6°F (17°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How many days does it rain in September?

In Chestnut Oak Hills, Georgia, during September, the rain falls for 13.4 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow in Chestnut Oak Hills?

April through October are months without snowfall in Chestnut Oak Hills.

What is the average length of the day in September?

In Chestnut Oak Hills, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:20 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.5h.

How high is the UV index in September in Chestnut Oak Hills?

In Chestnut Oak Hills, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Chestnut Oak Hills, GA

Average temperature in September - Chestnut Oak Hills, GA
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in September
Chestnut Oak Hills, GA

Average pressure in September - Chestnut Oak Hills, 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
Chestnut Oak Hills, GA

Average wind speed in September - Chestnut Oak Hills, GA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Chestnut Oak Hills, GA

Average humidity in September - Chestnut Oak Hills, GA
  • Average humidity in September: 74%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July, August, October and November (73%).

Average rainfall in September
Chestnut Oak Hills, GA

Average rainfall in September - Chestnut Oak Hills, GA
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is October (2.36").

Average rainfall days in September
Chestnut Oak Hills, GA

Average rainfall days in September - Chestnut Oak Hills, GA
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is October (10.1 days).

Average snowfall in September
Chestnut Oak Hills, GA

Average snowfall in September - Chestnut Oak Hills, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Chestnut Oak Hills, GA

Average snowfall days in September - Chestnut Oak Hills, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.7 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
Chestnut Oak Hills, GA

Average daylight in September / Average sunshine in September - Chestnut Oak Hills, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Chestnut Oak Hills, GA

Average sunshine days in September - Chestnut Oak Hills, GA
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in September
Chestnut Oak Hills, GA

Average UV index in September - Chestnut Oak Hills, GA
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Chestnut Oak Hills, GA

Average cloud cover in September - Chestnut Oak Hills, GA
  • Average cloud cover in September: 31

The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Chestnut Oak Hills, GA

Average visibility in September - Chestnut Oak Hills, GA
  • Average visibility in September: 6mi

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

Chestnut Oak Hills, Georgia, USA

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