September weather forecast
Branham Heights, SC

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Weather in September

September, the first month of the autumn in Branham Heights, is still a warm month, with an average temperature varying between 83.8°F (28.8°C) and 66.2°F (19°C).

Temperature

The transition from August to September sees an average high-temperature of a warm 83.8°F (28.8°C), indicating a minor variance from the prior month. An average temperature of 66.2°F (19°C) is recorded during the nights in September.

Heat index

Throughout September, the heat index is evaluated at a hot 91.4°F (33°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In Branham Heights, South Carolina, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 13.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Branham Heights, there are 157 rainfall days, and 31.54" (801mm) of precipitation is accumulated.

Snowfall

In Branham Heights, snow does not fall in April through October.

Daylight

In Branham Heights, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:56 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 is 8.9h.

UV index

In Branham Heights, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 6 suggests this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

How hot does it get in Branham Heights in September?

September temperatures in Branham Heights, South Carolina, vary between a high-temperature of 83.8°F (28.8°C) and a low-temperature of 66.2°F (19°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 91.4°F (33°C).

What is the average humidity in September in Branham Heights?

In September, the average relative humidity is 74%.

How much does it rain in Branham Heights in September?

In September, in Branham Heights, the rain falls for 13.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Branham Heights?

In Branham Heights, snow does not fall in April through October.

How many hours of daylight does Branham Heights have in September?

In Branham Heights, South Carolina, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Branham Heights?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of the month, in Branham Heights, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

How long on average sun shines in September in Branham Heights?

In Branham Heights, South Carolina, the average sunshine duration in September is 8.9h.

What is the UV index reading in September in Branham Heights?

In September, the average daily maximum UV index in Branham Heights, South Carolina, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Branham Heights, SC

Average temperature in September - Branham Heights, SC
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in September: 66.2°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

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Average pressure in September
Branham Heights, SC

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

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

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Average wind speed in September
Branham Heights, SC

Average wind speed in September - Branham Heights, SC
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Branham Heights, SC

Average humidity in September - Branham Heights, SC
  • Average humidity in September: 74%

The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).

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Average rainfall in September
Branham Heights, SC

Average rainfall in September - Branham Heights, SC
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").

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Average rainfall days in September
Branham Heights, SC

Average rainfall days in September - Branham Heights, SC
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).

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Average snowfall in September
Branham Heights, SC

Average snowfall in September - Branham Heights, SC
  • Average snowfall in September: 0"

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

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Average snowfall days in September
Branham Heights, SC

Average snowfall days in September - Branham Heights, SC
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Branham Heights, SC

Average daylight in September / Average sunshine in September - Branham Heights, 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 5min

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 30min).

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Average sunshine days in September
Branham Heights, SC

Average sunshine days in September - Branham Heights, SC
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in September
Branham Heights, SC

Average UV index in September - Branham Heights, SC
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
Branham Heights, SC

Average cloud cover in September - Branham Heights, SC
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in September
Branham Heights, SC

Average visibility in September - Branham Heights, 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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Branham Heights, South Carolina, USA

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