September weather forecast
Troy, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Troy, South Carolina, with an average temperature varying between 65.3°F (18.5°C) and 85.3°F (29.6°C).

Temperature

The onset of September manifests an average high-temperature of a warm 85.3°F (29.6°C), demonstrating a minor variation from the preceding month. Troy's temperature tends to fall to an average low of 65.3°F (18.5°C) during the nights of September.

Heat index

In September, the average heat index is estimated at a tropical 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In September, the average relative humidity is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 1.42" (36mm) of precipitation.

Snowfall

April through November are months without snowfall in Troy, South Carolina.

Daylight

In Troy, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 7:03 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:14 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot does it get in Troy in September?

September temperatures in Troy vary between a high-temperature of 85.3°F (29.6°C) and a low-temperature of 65.3°F (18.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in September in Troy?

The average relative humidity in September in Troy, South Carolina, is 71%.

What is the driest month in Troy?

The month with the least rainfall in Troy is September, when the rain falls for 10.6 days and typically collects 1.42" (36mm) of precipitation.

How many days does it rain in September in Troy?

In Troy, during September, the rain falls for 10.6 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Troy?

In Troy, snow does not fall in April through November.

What is the average length of the day in September in Troy?

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

When is the sunrise / sunset in September in Troy?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:14 pm EDT.

How many hours of sunshine does Troy have in September?

In September, the average sunshine duration in Troy, South Carolina, is 8.6h.

How high is the UV index in September in Troy?

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

Average temperature in September - Troy, SC
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

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Average pressure in September
Troy, SC

Average pressure in September - Troy, SC
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Troy, SC

Average wind speed in September - Troy, SC
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Troy, SC

Average humidity in September - Troy, SC
  • Average humidity in September: 71%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in September
Troy, SC

Average rainfall in September - Troy, SC
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in September
Troy, SC

Average rainfall days in September - Troy, SC
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in September
Troy, SC

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

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Troy, SC

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Troy, 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 4min

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 18min).

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Average sunshine days in September
Troy, SC

Average sunshine days in September - Troy, SC
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in September
Troy, SC

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

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

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Average cloud cover in September
Troy, SC

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

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in September
Troy, SC

Average visibility in September - Troy, 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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Troy, South Carolina, USA

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