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 an average temperature ranging between max 84°F (28.9°C) and min 65.5°F (18.6°C).

Temperature

September brings a marginal elevation to a moderately hot 84°F (28.9°C) from August's 88.5°F (31.4°C) in East Griffin's average high-temperatures. East Griffin, in September, observes a steady average low-temperature of 65.5°F (18.6°C).

Heat index

Throughout September, the heat index is evaluated at a hot 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In September, the average relative humidity is 73%.

Rainfall

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

Snowfall

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

Daylight

The average length of the day in September 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 moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in East Griffin during September?

In East Griffin, in September, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 65.5°F (18.6°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 91.4°F (33°C).

What is the average humidity in September?

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

How many days does it rain in September in East Griffin?

In East Griffin, in September, it is raining for 13.8 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in East Griffin?

April through October are months without snowfall.

How many hours of daylight does East Griffin have in September?

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

When are sunrise and sunset in September?

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?

The average sunshine duration in September in East Griffin is 8.5h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
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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