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 fluctuating between 66.2°F (19°C) and 83.8°F (28.8°C).

Temperature

In Branham Heights, September's average high-temperature stands at a warm 83.8°F (28.8°C), closely related to the preceding month. Throughout September, Branham Heights witnesses a nighttime temperature average of 66.2°F (19°C).

Heat index

Throughout September, the heat index is calculated to be a hot 91.4°F (33°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In Branham Heights, 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, 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 health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 6 in September translates into this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The average high-temperature and low-temperature during September are 83.8°F (28.8°C) and 66.2°F (19°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How much does it rain in September?

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

When it does not snow?

April through October are months without snowfall.

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

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

When are sunrise and sunset in September?

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.

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

In September, the average sunshine duration is 8.9h.

How high is the UV index in September?

In Branham Heights, South Carolina, 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 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Branham Heights, South Carolina, USA

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