September weather forecast
Simpson, GA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Simpson, Georgia, with an average temperature fluctuating between 63.7°F (17.6°C) and 83.3°F (28.5°C).

Temperature

September's advent notes a subtle adjustment in average high-temperature to a moderately hot 83.3°F (28.5°C) from August. The month of September records an average low-temperature of 63.7°F (17.6°C).

Heat index

September's heat index is calculated to be a hot 91.4°F (33°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. 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 a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In Simpson, Georgia, the average relative humidity in September is 76%.

Rainfall

In Simpson, in September, during 14.4 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 182.8 rainfall days, and 41.5" (1054mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Simpson, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 7:15 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:26 pm EDT.

Sunshine

In Simpson, the average sunshine in September is 8.5h.

UV index

In Simpson, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Feb 10, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is September in Simpson?

In September, the average high-temperature and low-temperature in Simpson are 83.3°F (28.5°C) and 63.7°F (17.6°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in September in Simpson?

In September, the average relative humidity in Simpson is 76%.

How much does it rain in Simpson in September?

In Simpson, in September, it is raining for 14.4 days, with typically 2.87" (73mm) of accumulated precipitation.

When it does not snow in Simpson?

April through October are months without snowfall.

How many hours of daylight does Simpson have in September?

The average day length in September in Simpson, Georgia, is 12h and 22min.

What time are sunrise and sunset in September in Simpson?

On the first day of September in Simpson, sunrise is at 7:15 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:26 pm EDT.

How many hours of sunshine does Simpson have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September in Simpson?

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

Average temperature in September - Simpson, GA
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in September: 63.7°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in September
Simpson, GA

Average pressure in September - Simpson, GA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Simpson, GA

Average wind speed in September - Simpson, GA
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Simpson, GA

Average humidity in September - Simpson, GA
  • Average humidity in September: 76%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (74%).

Average rainfall in September
Simpson, GA

Average rainfall in September - Simpson, GA
  • Average rainfall in September: 2.87"

The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in September
Simpson, GA

Average rainfall days in September - Simpson, GA
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in September
Simpson, GA

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

The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Simpson, GA

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

The month with the highest number of snowfall days is January (1.3 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
Simpson, GA

Average daylight in September / Average sunshine in September - Simpson, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
Simpson, GA

Average sunshine days in September - Simpson, GA
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.3 days).

Average UV index in September
Simpson, GA

Average UV index in September - Simpson, GA
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Simpson, GA

Average cloud cover in September - Simpson, GA
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 32).

Average visibility in September
Simpson, GA

Average visibility in September - Simpson, GA
  • Average visibility in September: 5mi

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

Simpson, Georgia, USA

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