September weather forecast
Green Acres, SC

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Weather in September

September, the first month of the autumn in Green Acres, is still a warm month, with an average temperature varying between 63.5°F (17.5°C) and 83.7°F (28.7°C).

Temperature

Green Acres's transition into September involves a gentle shift in temperature, receding from a tropical 89.4°F (31.9°C) in August to a moderately hot 83.7°F (28.7°C). In September, Green Acres encounters an average low-temperature of 63.5°F (17.5°C) during the night.

Heat index

The heat index value during September is calculated to be a hot 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital 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 September, the average relative humidity in Green Acres is 72%.

Rainfall

The month with the least rainfall is September, when the rain falls for 9.7 days and typically collects 0.79" (20mm) of precipitation.

Snowfall

April through November are months without snowfall in Green Acres, South Carolina.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September in Green Acres, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:15 pm EDT.

Sunshine

In Green Acres, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Green Acres is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Green Acres during September?

In Green Acres, 83.7°F (28.7°C) is the average high-temperature and 63.5°F (17.5°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Green Acres?

The average relative humidity in September is 72%.

What is the driest month in Green Acres?

September is the month with the least rainfall. Rain falls for 9.7 days and accumulates 0.79" (20mm) of precipitation.

How many days does it rain in September in Green Acres?

In Green Acres, during September, the rain falls for 9.7 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Green Acres?

April through November are months without snowfall.

What is the average length of the day in September in Green Acres?

In Green Acres, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Green Acres?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of the month, in Green Acres, sunrise is at 7:25 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Green Acres have in September?

The average sunshine duration in September in Green Acres, South Carolina, is 8.5h.

What is the UV index reading in September in Green Acres?

In Green Acres, South Carolina, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Green Acres, SC

Average temperature in September - Green Acres, SC
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in September
Green Acres, SC

Average pressure in September - Green Acres, SC
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Green Acres, SC

Average wind speed in September - Green Acres, SC
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Green Acres, SC

Average humidity in September - Green Acres, SC
  • Average humidity in September: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in September
Green Acres, SC

Average rainfall in September - Green Acres, SC
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").

Average rainfall days in September
Green Acres, SC

Average rainfall days in September - Green Acres, SC
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).

Average snowfall in September
Green Acres, SC

Average snowfall in September - Green Acres, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Green Acres, SC

Average snowfall days in September - Green Acres, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Green Acres, SC

Average daylight in September / Average sunshine in September - Green Acres, SC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Green Acres, SC

Average sunshine days in September - Green Acres, SC
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in September
Green Acres, SC

Average UV index in September - Green Acres, SC
  • 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 and December (UV index 2).

Average cloud cover in September
Green Acres, SC

Average cloud cover in September - Green Acres, SC
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in September
Green Acres, SC

Average visibility in September - Green Acres, SC
  • Average visibility in September: 6mi

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

Green Acres, South Carolina, USA

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