September weather forecast
Plainfield, GA

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Weather in September

September, the first month of the autumn in Plainfield, is also a moderately hot month, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 68°F (20°C).

Temperature

The transition into September reveals an average high-temperature of a moderately hot 84.9°F (29.4°C), mirroring a close resemblance to August. An average nighttime temperature of 68°F (20°C) is observed during September.

Heat index

For most parts of September, the heat index is computed to be a fiery hot 95°F (35°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Plainfield, the average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 0.71" (18mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September, sunrise is at 7:08 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:18 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the UV index of 6 transforms into the following advice:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

How hot is September?

The high-temperature, in September, in Plainfield, is 84.9°F (29.4°C), while the low-temperature averages to 68°F (20°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 95°F (35°C).

What is the average humidity in September?

In Plainfield, the average relative humidity in September is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 0.71" (18mm) of precipitation.

How much does it rain in September?

In Plainfield, during September, the rain falls for 11.3 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow?

February through December are months without snowfall.

How many hours of daylight does Plainfield have in September?

The average day length in September in Plainfield is 12h and 22min.

What time are sunrise and sunset in September in Plainfield?

In September, on the first day of the month, sunrise is at 7:08 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Plainfield have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index intensity in September?

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

Average temperature in September - Plainfield, GA
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (56.3°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in September
Plainfield, GA

Average pressure in September - Plainfield, GA
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in September
Plainfield, GA

Average wind speed in September - Plainfield, GA
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
Plainfield, GA

Average humidity in September - Plainfield, GA
  • Average humidity in September: 75%

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

Average rainfall in September
Plainfield, GA

Average rainfall in September - Plainfield, GA
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in September
Plainfield, GA

Average rainfall days in September - Plainfield, GA
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is November (6.1 days).

Average snowfall in September
Plainfield, GA

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

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Plainfield, GA

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

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Plainfield, GA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
Plainfield, GA

Average sunshine days in September - Plainfield, GA
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is November (22.6 days).
The month with the least sunshine days is August (10.8 days).

Average UV index in September
Plainfield, GA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Plainfield, GA

Average cloud cover in September - Plainfield, GA
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in September
Plainfield, GA

Average visibility in September - Plainfield, 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).

Plainfield, Georgia, USA

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