September weather forecast
Saint Charles, GA

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Weather in September

September, the first month of the autumn in Saint Charles, is also a moderately hot month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 83.7°F (28.7°C).

Temperature

Saint Charles notes an average high-temperature of a moderately hot 83.7°F (28.7°C) in September, hardly diverging from August. An average minimum temperature of 64.8°F (18.2°C) is recorded during the month of September.

Heat index

In September, the heat index is evaluated at a tropical 91.4°F (33°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Saint Charles, the average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 8.4 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

In Saint Charles, snow does not fall in February, April through December.

Daylight

The average length of the day in September in Saint Charles, Georgia, is 12h and 22min.
On the first day of the month, sunrise is at 7:13 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:24 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index 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: The maximum daily UV index of 6 in September converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

How hot is it in Saint Charles in September?

September temperatures in Saint Charles vary between a high-temperature of 83.7°F (28.7°C) and a low-temperature of 64.8°F (18.2°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 evaluated at 91.4°F (33°C).

What is the average humidity in September in Saint Charles?

The average relative humidity in September is 74%.

What is the driest month in Saint Charles?

September is the month with the least rainfall. Rain falls for 8.4 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in September in Saint Charles?

In Saint Charles, in September, during 8.4 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow in Saint Charles?

In Saint Charles, Georgia, snow does not fall in February, April through December.

What is the average length of the day in September in Saint Charles?

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

When is the sunrise / sunset in September in Saint Charles?

On the first day of September in Saint Charles, sunrise is at 7:13 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:24 pm EDT.

How many hours of sunshine does Saint Charles have in September?

In Saint Charles, Georgia, the average sunshine duration in September is 8.7h.

What is the UV index reading in September in Saint Charles?

In September, the average daily maximum UV index in Saint Charles is 6. A UV Index reading of 6 to 7 represents a high 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
Saint Charles, GA

Average temperature in September - Saint Charles, GA
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (51.8°F).

  • Average low temperature in September: 64.8°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

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Average pressure in September
Saint Charles, GA

Average pressure in September - Saint Charles, 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 (29.98"Hg).

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Average wind speed in September
Saint Charles, GA

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

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Saint Charles, GA

Average humidity in September - Saint Charles, GA
  • Average humidity in September: 74%

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

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Average rainfall in September
Saint Charles, GA

Average rainfall in September - Saint Charles, GA
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in September
Saint Charles, GA

Average rainfall days in September - Saint Charles, GA
  • Average rainfall days in September: 8.4 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is October (5.2 days).

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Average snowfall in September
Saint Charles, GA

Average snowfall in September - Saint Charles, GA
  • Average snowfall in September: 0"

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

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Average snowfall days in September
Saint Charles, GA

Average snowfall days in September - Saint Charles, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Saint Charles, GA

Average daylight in September / Average sunshine in September - Saint Charles, 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 6min).

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Average sunshine days in September
Saint Charles, GA

Average sunshine days in September - Saint Charles, GA
  • Average sunshine days in September: 18.7 days

The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in September
Saint Charles, GA

Average UV index in September - Saint Charles, 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, November and December (UV index 3).

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Average cloud cover in September
Saint Charles, GA

Average cloud cover in September - Saint Charles, GA
  • Average cloud cover in September: 31

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

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Average visibility in September
Saint Charles, GA

Average visibility in September - Saint Charles, GA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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Saint Charles, Georgia, USA

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