September weather forecast
Bayfront, SC

Share

Weather in September

The first month of the autumn, September, is still a warm month in Bayfront, South Carolina, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 73°F (22.8°C).

Temperature

During September, Bayfront records an average high-temperature of a moderately hot 83.5°F (28.6°C), marking a slight divergence from August's 87.4°F (30.8°C). Throughout September, the temperature falls to an average low of 73°F (22.8°C).

Heat index

The heat index in September is computed to be 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.
Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Bayfront, in September, during 18.4 rainfall days, 5" (127mm) of precipitation is typically accumulated. In Bayfront, during the entire year, the rain falls for 178.9 days and collects up to 41.93" (1065mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

In Bayfront, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:05 pm EDT.

Sunshine

In Bayfront, the average sunshine in September is 9.1h.

UV index

In Bayfront, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The high-temperature, in September, in Bayfront, records 83.5°F (28.6°C), while the low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is computed to be 91.4°F (33°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How much does it rain in Bayfront in September?

In September, the rain falls for 18.4 days. Throughout September, 5" (127mm) of precipitation is accumulated.

When it does not snow?

In Bayfront, snow does not fall in February through November.

How many hours of daylight does Bayfront have in September?

In Bayfront, the average day length in September is 12h and 22min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:05 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Bayfront, SC

Average temperature in September - Bayfront, SC
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in September: 73°F

The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).

Average pressure in September
Bayfront, SC

Average pressure in September - Bayfront, SC
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Bayfront, SC

Average wind speed in September - Bayfront, SC
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).

Average humidity in September
Bayfront, SC

Average humidity in September - Bayfront, SC
  • Average humidity in September: 75%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).

Average rainfall in September
Bayfront, SC

Average rainfall in September - Bayfront, SC
  • Average rainfall in September: 5"

The wettest month (with the highest rainfall) is August (7.13").
The driest month (with the least rainfall) is January (1.42").

Average rainfall days in September
Bayfront, SC

Average rainfall days in September - Bayfront, SC
  • Average rainfall days in September: 18.4 days

The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in September
Bayfront, SC

Average snowfall in September - Bayfront, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Bayfront, SC

Average snowfall days in September - Bayfront, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Bayfront, SC

Average daylight in September / Average sunshine in September - Bayfront, SC
  • 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: 9h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in September
Bayfront, SC

Average sunshine days in September - Bayfront, SC
  • Average sunshine days in September: 8.5 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (3.8 days).

Average UV index in September
Bayfront, SC

Average UV index in September - Bayfront, SC
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September
Bayfront, SC

Average cloud cover in September - Bayfront, SC
  • Average cloud cover in September: 29

The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).

Average visibility in September
Bayfront, SC

Average visibility in September - Bayfront, 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).

Bayfront, South Carolina, USA

Weather forecast for your location

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