September weather forecast
Brannan, GA

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Weather in September

September, the first month of the autumn in Brannan, is still a warm month, with an average temperature ranging between max 84.2°F (29°C) and min 65.3°F (18.5°C).

Temperature

The arrival of September sees an average high-temperature of a moderately hot 84.2°F (29°C), hardly diverging from August's 88.9°F (31.6°C). Brannan experiences an average nighttime temperature of 65.3°F (18.5°C) in the month of September.

Heat index

During September, the heat index is computed to be a tropical 91.4°F (33°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In September, the average relative humidity is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 1.02" (26mm) of precipitation.

Snowfall

In Brannan, Georgia, snow does not fall in April through November.

Daylight

In September, the average length of the day in Brannan is 12h and 22min.
On the first day of September, sunrise is at 7:11 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine in Brannan, Georgia, is 8.6h.

UV index

In Brannan, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

How hot is September in Brannan?

The high-temperature, in September, in Brannan, records 84.2°F (29°C), while the low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 91.4°F (33°C).

What is the average humidity in September in Brannan?

In Brannan, Georgia, the average relative humidity in September is 72%.

What is the driest month in Brannan?

The month with the least rainfall in Brannan, Georgia, is September, when the rain falls for 10.6 days and typically collects 1.02" (26mm) of precipitation.

How much does it rain in Brannan in September?

In Brannan, during September, the rain falls for 10.6 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow in Brannan?

In Brannan, snow does not fall in April through November.

What is the average length of the day in September in Brannan?

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

When are sunrise and sunset in September in Brannan?

On the first day of September in Brannan, sunrise is at 7:11 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:22 pm EDT.

How long on average sun shines in September in Brannan?

In September, the average sunshine duration in Brannan, Georgia, is 8.6h.

What is the UV index intensity in September in Brannan?

In Brannan, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Brannan, GA

Average temperature in September - Brannan, GA
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (51.3°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

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Average pressure in September
Brannan, GA

Average pressure in September - Brannan, 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).

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Average wind speed in September
Brannan, GA

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

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in September
Brannan, GA

Average humidity in September - Brannan, GA
  • Average humidity in September: 72%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, October and November (71%).

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Average rainfall in September
Brannan, GA

Average rainfall in September - Brannan, GA
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.02").

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Average rainfall days in September
Brannan, GA

Average rainfall days in September - Brannan, GA
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in September
Brannan, GA

Average snowfall in September - Brannan, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Brannan, GA

Average snowfall days in September - Brannan, GA
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Brannan, GA

Average daylight in September / Average sunshine in September - Brannan, 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 0min).

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Average sunshine days in September
Brannan, GA

Average sunshine days in September - Brannan, GA
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (10 days).

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Average UV index in September
Brannan, GA

Average UV index in September - Brannan, GA
  • Average UV index in September: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in September
Brannan, GA

Average cloud cover in September - Brannan, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June, July and October (Cloud cover 31).

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Average visibility in September
Brannan, GA

Average visibility in September - Brannan, 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).

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Brannan, Georgia, USA

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