September weather forecast
Cottageville, SC

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Weather in September

September, the first month of the autumn in Cottageville, is also a moderately hot month, with an average temperature fluctuating between 85.6°F (29.8°C) and 68.5°F (20.3°C).

Temperature

The transition into September marks the average high-temperature at a warm 85.6°F (29.8°C), differing minimally from August's 90.5°F (32.5°C). In September, Cottageville encounters an average low-temperature of 68.5°F (20.3°C) during the night.

Heat index

Throughout September, the heat index is estimated at a very hot 96.8°F (36°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in 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 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The average relative humidity in September in Cottageville is 76%.

Rainfall

In Cottageville, during September, the rain falls for 14.2 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Cottageville, during the entire year, the rain falls for 149.7 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

In Cottageville, snow does not fall in March through December.

Daylight

In Cottageville, South Carolina, the average length of the day in September is 12h and 22min.
On the first day of September in Cottageville, South Carolina, sunrise is at 6:56 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:07 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index in Cottageville is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Cottageville during September?

The high-temperature in Cottageville during September is 85.6°F (29.8°C) and the low-temperature is 68.5°F (20.3°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 96.8°F (36°C).

What is the average humidity in September in Cottageville?

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

How many days does it rain in September in Cottageville?

In Cottageville, South Carolina, during September, the rain falls for 14.2 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Cottageville?

In Cottageville, South Carolina, snow does not fall in March through December.

What is the average length of the day in September in Cottageville?

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

What time are sunrise and sunset in September in Cottageville?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 7:46 pm. On the last day of the month, in Cottageville, South Carolina, sunrise is at 7:15 am and sunset at 7:07 pm EDT.

How many hours of sunshine does Cottageville have in September?

In Cottageville, South Carolina, the average sunshine duration in September is 8.7h.

How high is the UV index in September in Cottageville?

In September, the average daily maximum UV index in Cottageville is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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
Cottageville, SC

Average temperature in September - Cottageville, SC
  • Average high temperature in September: 85.6°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 68.5°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).

Average pressure in September
Cottageville, SC

Average pressure in September - Cottageville, 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 (29.97"Hg).

Average wind speed in September
Cottageville, SC

Average wind speed in September - Cottageville, SC
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Cottageville, SC

Average humidity in September - Cottageville, SC
  • Average humidity in September: 76%

The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, March and November (72%).

Average rainfall in September
Cottageville, SC

Average rainfall in September - Cottageville, SC
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.75").

Average rainfall days in September
Cottageville, SC

Average rainfall days in September - Cottageville, SC
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (6.2 days).

Average snowfall in September
Cottageville, SC

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

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

Average snowfall days in September
Cottageville, SC

Average snowfall days in September - Cottageville, 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 April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Cottageville, 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: 8h and 4min

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 30min).

Average sunshine days in September
Cottageville, SC

Average sunshine days in September - Cottageville, SC
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (6.9 days).

Average UV index in September
Cottageville, SC

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

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

Average cloud cover in September
Cottageville, SC

Average cloud cover in September - Cottageville, SC
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).

Average visibility in September
Cottageville, SC

Average visibility in September - Cottageville, 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).

Cottageville, South Carolina, USA

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