September weather forecast
Fort Bull, SC

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Weather in September

September, the first month of the autumn in Fort Bull, is still a warm month, with an average temperature ranging between min 70.9°F (21.6°C) and max 85.1°F (29.5°C).

Temperature

The average high-temperature during September registers at a moderately hot 85.1°F (29.5°C), closely corresponding to the preceding month. Throughout September, the temperature tends to fall to a consistent average low of 70.9°F (21.6°C).

Heat index

The heat index value for September is appraised at a fiery hot 95°F (35°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Fort Bull, in September, during 16.5 rainfall days, 4.02" (102mm) of precipitation is typically accumulated. Throughout the year, there are 172.6 rainfall days, and 39.13" (994mm) of precipitation is accumulated.

Snowfall

In Fort Bull, snow does not fall in March through November.

Daylight

In Fort Bull, the average length of the day in September is 12h and 22min.
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 7:14 am and sunset at 7:05 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

An average high-temperature, in September, in Fort Bull, is 85.1°F (29.5°C) and the average low-temperature is 70.9°F (21.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 95°F (35°C).

What is the average humidity in September?

In Fort Bull, the average relative humidity in September is 75%.

How much does it rain in September?

In September, the rain falls for 16.5 days. Throughout September, 4.02" (102mm) of precipitation is accumulated.

When it does not snow?

In Fort Bull, snow does not fall in March through November.

What is the average length of the day in September?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of the month, in Fort Bull, sunrise is at 7:14 am and sunset at 7:05 pm EDT.

How long on average sun shines in September?

In Fort Bull, the average sunshine duration in September is 8.9h.

How high is the UV index in September?

In Fort Bull, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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
Fort Bull, SC

Average temperature in September - Fort Bull, SC
  • Average high temperature in September: 85.1°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 (56.8°F).

  • Average low temperature in September: 70.9°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in September
Fort Bull, SC

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

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

Average wind speed in September
Fort Bull, SC

Average wind speed in September - Fort Bull, SC
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in September
Fort Bull, SC

Average humidity in September - Fort Bull, SC
  • Average humidity in September: 75%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).

Average rainfall in September
Fort Bull, SC

Average rainfall in September - Fort Bull, SC
  • Average rainfall in September: 4.02"

The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in September
Fort Bull, SC

Average rainfall days in September - Fort Bull, SC
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).

Average snowfall in September
Fort Bull, SC

Average snowfall in September - Fort Bull, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Fort Bull, SC

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

Average daylight in September /
Average sunshine in September
Fort Bull, SC

Average daylight in September / Average sunshine in September - Fort Bull, 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 5min

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 36min).

Average sunshine days in September
Fort Bull, SC

Average sunshine days in September - Fort Bull, SC
  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).

Average UV index in September
Fort Bull, SC

Average UV index in September - Fort Bull, SC
  • Average UV index in September: 6

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

Average cloud cover in September
Fort Bull, SC

Average cloud cover in September - Fort Bull, SC
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).

Average visibility in September
Fort Bull, SC

Average visibility in September - Fort Bull, 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).

Fort Bull, South Carolina, USA

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