September weather forecast
New Light, SC

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Weather in September

The first month of the autumn, September, is still a warm month in New Light, South Carolina, with an average temperature ranging between max 82.8°F (28.2°C) and min 63°F (17.2°C).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from a hot 88.3°F (31.3°C) in August to a warm 82.8°F (28.2°C). In the month of September, New Light experiences an average low-temperature of 63°F (17.2°C).

Heat index

For September, the heat index is appraised at a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.3 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

In New Light, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:04 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the UV index of 5 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

September temperatures vary between a high-temperature of 82.8°F (28.2°C) and a low-temperature of 63°F (17.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 72%.

What is the driest month in New Light?

The month with the least rainfall is September, when the rain falls for 10.3 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in September?

In New Light, in September, during 10.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in September?

In New Light, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in New Light?

On the first day of September in New Light, sunrise is at 7:04 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

How long on average sun shines in September?

In New Light, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September in New Light?

In New Light, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
New Light, SC

Average temperature in September - New Light, SC
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 63°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).

Average pressure in September
New Light, SC

Average pressure in September - New Light, 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
New Light, SC

Average wind speed in September - New Light, SC
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
New Light, SC

Average humidity in September - New Light, 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 (70%).

Average rainfall in September
New Light, SC

Average rainfall in September - New Light, SC
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in September
New Light, SC

Average rainfall days in September - New Light, SC
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (6.5 days).

Average snowfall in September
New Light, SC

Average snowfall in September - New Light, SC
  • Average snowfall in September: 0"

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

Average snowfall days in September
New Light, SC

Average snowfall days in September - New Light, SC
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.8 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
New Light, SC

Average daylight in September / Average sunshine in September - New Light, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
New Light, SC

Average sunshine days in September - New Light, SC
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in September
New Light, SC

Average UV index in September - New Light, SC
  • Average UV index in September: 5

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

Average cloud cover in September
New Light, SC

Average cloud cover in September - New Light, SC
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 27).

Average visibility in September
New Light, SC

Average visibility in September - New Light, SC
  • 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).

New Light, South Carolina, USA

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