September weather forecast
Branchville, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Branchville, South Carolina, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 67.6°F (19.8°C).

Temperature

September brings an average high-temperature of a warm 84.4°F (29.1°C), showing a slight difference from August's 89.4°F (31.9°C). Throughout September, the average low-temperature in Branchville dips to a comfortable 67.6°F (19.8°C).

Heat index

September's heat index is computed to be a tropical 93.2°F (34°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly meaningful for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

May, August, September and December, with an average relative humidity of 76%, are the most humid months in Branchville.

Rainfall

In Branchville, during September, the rain falls for 14.4 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Branchville, during the entire year, the rain falls for 158.3 days and collects up to 31.93" (811mm) of precipitation.

Snowfall

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

Daylight

In Branchville, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:58 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

Sunshine

In September, the average sunshine in Branchville is 8.6h.

UV index

In September, the average daily maximum UV index in Branchville is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 during September leads to these advisories:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

Is it hot in Branchville during September?

In Branchville, 84.4°F (29.1°C) is the average high-temperature and 67.6°F (19.8°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 93.2°F (34°C).

What is the most humid month in Branchville?

The months with the highest humidity in Branchville are May, August, September and December, with an average relative humidity of 76%.

What is the average humidity in September in Branchville?

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

How much does it rain in Branchville in September?

In September, in Branchville, South Carolina, the rain falls for 14.4 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Branchville?

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

How many hours of daylight does Branchville have in September?

In Branchville, South Carolina, the average day length in September is 12h and 22min.

When are sunrise and sunset in September in Branchville?

In September, on the first day of the month, sunrise is at 6:58 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

How many hours of sunshine does Branchville have in September?

In September, the average sunshine duration in Branchville is 8.6h.

What is the UV index reading in September in Branchville?

In Branchville, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Branchville, SC

Average temperature in September - Branchville, SC
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in September: 67.6°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

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Average pressure in September
Branchville, SC

Average pressure in September - Branchville, SC
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Branchville, SC

Average wind speed in September - Branchville, SC
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in September
Branchville, SC

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

The months with the highest relative humidity are May, August, September and December (76%).
The month with the lowest relative humidity is January (70%).

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Average rainfall in September
Branchville, SC

Average rainfall in September - Branchville, SC
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is November (1.5").

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Average rainfall days in September
Branchville, SC

Average rainfall days in September - Branchville, SC
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall in September
Branchville, SC

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

The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Branchville, SC

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

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Branchville, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Branchville, SC

Average sunshine days in September - Branchville, SC
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is August (7.3 days).

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Average UV index in September
Branchville, SC

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

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

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Average cloud cover in September
Branchville, SC

Average cloud cover in September - Branchville, SC
  • Average cloud cover in September: 32

The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in September
Branchville, SC

Average visibility in September - Branchville, 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).

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Branchville, South Carolina, USA

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