September weather forecast
East Griffin, GA

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Weather in September

The first month of the autumn, September, is still a warm month in East Griffin, Georgia, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 65.5°F (18.6°C).

Temperature

September's weather records an average high-temperature of a warm 84°F (28.9°C), showing little deviation from August. During September, East Griffin records an average temperature of 65.5°F (18.6°C) at night.

Heat index

September's mean heat index is calculated to be a hot 91.4°F (33°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In September, the average relative humidity in East Griffin is 73%.

Rainfall

In September, in East Griffin, Georgia, the rain falls for 13.8 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. In East Griffin, during the entire year, the rain falls for 179.6 days and collects up to 39.84" (1012mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine is 8.5h.

UV index

In East Griffin, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 10, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is September in East Griffin?

The average high-temperature, in September, in East Griffin, is 84°F (28.9°C), while the average low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 91.4°F (33°C).

What is the average humidity in September in East Griffin?

The average relative humidity in September in East Griffin is 73%.

How much does it rain in East Griffin in September?

In September, in East Griffin, Georgia, the rain falls for 13.8 days. Throughout September, 2.44" (62mm) of precipitation is accumulated.

When it does not snow in East Griffin?

In East Griffin, Georgia, snow does not fall in April through October.

What is the average length of the day in September in East Griffin?

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

When are sunrise and sunset in September in East Griffin?

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.

How long on average sun shines in September in East Griffin?

In September, the average sunshine duration in East Griffin is 8.5h.

What is the UV index reading in September in East Griffin?

In September, the average daily maximum UV index in East Griffin, Georgia, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
East Griffin, GA

Average temperature in September - East Griffin, GA
  • Average high temperature in September: 84°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in September: 65.5°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 (36.1°F).

Average pressure in September
East Griffin, GA

Average pressure in September - East Griffin, 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).

Average wind speed in September
East Griffin, GA

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

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in September
East Griffin, GA

Average humidity in September - East Griffin, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).

Average rainfall in September
East Griffin, GA

Average rainfall in September - East Griffin, GA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in September
East Griffin, GA

Average rainfall days in September - East Griffin, GA
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is October (9.3 days).

Average snowfall in September
East Griffin, GA

Average snowfall in September - East Griffin, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
East Griffin, GA

Average snowfall days in September - East Griffin, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1 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
East Griffin, GA

Average daylight in September / Average sunshine in September - East Griffin, 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 3min

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 6min).

Average sunshine days in September
East Griffin, GA

Average sunshine days in September - East Griffin, GA
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (7.4 days).

Average UV index in September
East Griffin, GA

Average UV index in September - East Griffin, 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, February and December (UV index 3).

Average cloud cover in September
East Griffin, GA

Average cloud cover in September - East Griffin, GA
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June, September and October (Cloud cover 31).

Average visibility in September
East Griffin, GA

Average visibility in September - East Griffin, 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).

East Griffin, Georgia, USA

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