September weather forecast
Tamassee, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Tamassee, South Carolina, with an average temperature varying between 82.2°F (27.9°C) and 61.7°F (16.5°C).

Temperature

September's arrival aligns with a minor decrease in average high-temperatures, from August's tropical 87.6°F (30.9°C) to a warm 82.2°F (27.9°C). Tamassee throughout September, experiences an average nighttime temperature of 61.7°F (16.5°C).

Heat index

The heat index value during September is computed to be a tropical 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In Tamassee, the average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 7:05 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:17 pm EDT.

Sunshine

In Tamassee, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, the average high-temperature and low-temperature are 82.2°F (27.9°C) and 61.7°F (16.5°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is computed to be 87.8°F (31°C).

What is the average humidity in September?

In Tamassee, the average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall in Tamassee is September, when the rain falls for 12.2 days and typically collects 1.77" (45mm) of precipitation.

How much does it rain in Tamassee in September?

In Tamassee, during September, the rain falls for 12.2 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Tamassee have in September?

The average day length in September in Tamassee is 12h and 23min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:05 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:17 pm EDT.

How many hours of sunshine does Tamassee have in September?

The average sunshine duration in September is 8.7h.

How high is the UV index in September?

In Tamassee, South Carolina, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Tamassee, SC

Average temperature in September - Tamassee, SC
  • Average high temperature in September: 82.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average pressure in September
Tamassee, SC

Average pressure in September - Tamassee, SC
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Tamassee, SC

Average wind speed in September - Tamassee, SC
  • Average wind speed in September: 4.4mph

The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September
Tamassee, SC

Average humidity in September - Tamassee, SC
  • Average humidity in September: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in September
Tamassee, SC

Average rainfall in September - Tamassee, SC
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Tamassee, SC

Average rainfall days in September - Tamassee, SC
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in September
Tamassee, SC

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

The month with the highest snowfall is December (2.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Tamassee, SC

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

The month with the highest number of snowfall days is February (1 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
Tamassee, SC

Average daylight in September / Average sunshine in September - Tamassee, SC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 4min

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 24min).

Average sunshine days in September
Tamassee, SC

Average sunshine days in September - Tamassee, SC
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in September
Tamassee, SC

Average UV index in September - Tamassee, SC
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Tamassee, SC

Average cloud cover in September - Tamassee, SC
  • Average cloud cover in September: 30

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

Average visibility in September
Tamassee, SC

Average visibility in September - Tamassee, 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).

Tamassee, South Carolina, USA

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