September weather forecast
Sunnyside Acres, SC

Share

Weather in September

The first month of the autumn, September, is still a warm month in Sunnyside Acres, South Carolina, with an average temperature varying between 82.8°F (28.2°C) and 63°F (17.2°C).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a tropical 88.3°F (31.3°C) in August to a warm 82.8°F (28.2°C). Sunnyside Acres temperatures generally rest at a low of 63°F (17.2°C) during the September nights.

Heat index

In September, the average heat index is evaluated at a tropical 87.8°F (31°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in September is 72%.

Rainfall

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

Snowfall

April through November are months without snowfall.

Daylight

In Sunnyside Acres, 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 7:56 pm. On the last day of September, in Sunnyside Acres, South Carolina, sunrise is at 7:25 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September in Sunnyside Acres is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Sunnyside Acres in September?

The high-temperature in Sunnyside Acres, South Carolina, during September is 82.8°F (28.2°C) and the low-temperature is 63°F (17.2°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Sunnyside Acres?

In September, the average relative humidity is 72%.

What is the driest month in Sunnyside Acres?

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 Sunnyside Acres?

In September, in Sunnyside Acres, the rain falls for 10.3 days. Throughout September, 0.71" (18mm) of precipitation is accumulated.

When it does not snow in Sunnyside Acres?

In Sunnyside Acres, snow does not fall in April through November.

How many hours of daylight does Sunnyside Acres have in September?

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

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

On the first day of September in Sunnyside Acres, South Carolina, 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.

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

The average sunshine duration in September in Sunnyside Acres is 8.7h.

What is the UV index intensity in September in Sunnyside Acres?

In Sunnyside Acres, South Carolina, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Sunnyside Acres, SC

Average temperature in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average pressure in September - Sunnyside 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
Sunnyside Acres, SC

Average wind speed in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average humidity in September - Sunnyside 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 (70%).

Average rainfall in September
Sunnyside Acres, SC

Average rainfall in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average rainfall days in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average snowfall in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average snowfall days in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average daylight in September / Average sunshine in September - Sunnyside 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 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
Sunnyside Acres, SC

Average sunshine days in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average UV index in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average cloud cover in September - Sunnyside Acres, 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
Sunnyside Acres, SC

Average visibility in September - Sunnyside Acres, 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).

Sunnyside Acres, South Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location