September weather forecast
Marlette Heights, GA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Marlette Heights, Georgia, with an average temperature fluctuating between 62.6°F (17°C) and 82.8°F (28.2°C).

Temperature

As Marlette Heights steps into September, the average high-temperature is measured at a moderately hot 82.8°F (28.2°C), displaying minor differences from August's 87.6°F (30.9°C). Throughout September, Marlette Heights registers a consistent average low-temperature of 62.6°F (17°C).

Heat index

The heat index for September is estimated at a tropical 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In Marlette Heights, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 13.4 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. In Marlette Heights, during the entire year, the rain falls for 181.4 days and collects up to 41.93" (1065mm) of precipitation.

Snowfall

In Marlette Heights, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 7:09 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

The average sunshine in September in Marlette Heights is 8.5h.

UV index

In Marlette Heights, 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 radiation for the ordinary person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Marlette Heights?

In September, in Marlette Heights, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is estimated at 89.6°F (32°C).

What is the average humidity in September in Marlette Heights?

In Marlette Heights, Georgia, the average relative humidity in September is 74%.

How much does it rain in Marlette Heights in September?

In Marlette Heights, 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 Marlette Heights?

In Marlette Heights, Georgia, snow does not fall in April through October.

What is the average length of the day in September in Marlette Heights?

The average day length in September in Marlette Heights, Georgia, is 12h and 23min.

When are sunrise and sunset in September in Marlette Heights?

On the first day of September in Marlette Heights, Georgia, sunrise is at 7:09 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 Marlette Heights?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September in Marlette Heights?

In September, the average daily maximum UV index in Marlette Heights, Georgia, is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Marlette Heights, GA

Average temperature in September - Marlette Heights, 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
Marlette Heights, GA

Average pressure in September - Marlette Heights, 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
Marlette Heights, GA

Average wind speed in September - Marlette Heights, 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
Marlette Heights, GA

Average humidity in September - Marlette Heights, 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
Marlette Heights, GA

Average rainfall in September - Marlette Heights, 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
Marlette Heights, GA

Average rainfall days in September - Marlette Heights, 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
Marlette Heights, GA

Average snowfall in September - Marlette Heights, 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
Marlette Heights, GA

Average snowfall days in September - Marlette Heights, 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
Marlette Heights, GA

Average daylight in September / Average sunshine in September - Marlette Heights, 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
Marlette Heights, GA

Average sunshine days in September - Marlette Heights, 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
Marlette Heights, GA

Average UV index in September - Marlette Heights, 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
Marlette Heights, GA

Average cloud cover in September - Marlette Heights, 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
Marlette Heights, GA

Average visibility in September - Marlette Heights, 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).

Marlette Heights, Georgia, USA

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