September weather forecast
Scranton, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Scranton, South Carolina, with an average temperature fluctuating between 83.8°F (28.8°C) and 66.9°F (19.4°C).

Temperature

In the transition from August to September, Scranton reports an average high-temperature of a warm 83.8°F (28.8°C), indicating a close resemblance to the prior month. During September, the temperature in Scranton tends to dip to an average of 66.9°F (19.4°C) at night.

Heat index

For most parts of September, the heat index is estimated at a hot 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

May, August and September, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Scranton, in September, it is raining for 15.8 days, with typically 3.07" (78mm) of accumulated precipitation. In Scranton, during the entire year, the rain falls for 170.2 days and collects up to 34.06" (865mm) of precipitation.

Snowfall

In Scranton, snow does not fall in March through December.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:04 pm EDT.

Sunshine

In September, the average sunshine in Scranton, South Carolina, is 9.1h.

UV index

The average daily maximum UV index in September in Scranton is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a regular UV index of 6 translates into these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Scranton in September?

The high-temperature during September is 83.8°F (28.8°C) and the low-temperature is 66.9°F (19.4°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

What is the most humid month in Scranton?

May, August and September, with an average relative humidity of 78%, are most humid months.

What is the average humidity in September in Scranton?

In September, the average relative humidity in Scranton is 78%.

How much does it rain in Scranton in September?

In Scranton, during September, the rain falls for 15.8 days and regularly aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Scranton?

March through December are months without snowfall.

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

In Scranton, the average day length in September is 12h and 22min.

When are sunrise and sunset in September in Scranton?

On the first day of September in Scranton, South Carolina, sunrise is at 6:53 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:04 pm EDT.

How long on average sun shines in September in Scranton?

In Scranton, the average sunshine duration in September is 9.1h.

What is the UV index intensity in September in Scranton?

In September, the average daily maximum UV index in Scranton is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Scranton, SC

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

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in September: 66.9°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
Scranton, SC

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

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

Average wind speed in September
Scranton, SC

Average wind speed in September - Scranton, SC
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Scranton, SC

Average humidity in September - Scranton, SC
  • Average humidity in September: 78%

The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in September
Scranton, SC

Average rainfall in September - Scranton, SC
  • Average rainfall in September: 3.07"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in September
Scranton, SC

Average rainfall days in September - Scranton, SC
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in September
Scranton, SC

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

The month with the highest snowfall is February (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Scranton, SC

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

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Scranton, 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: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Scranton, SC

Average sunshine days in September - Scranton, SC
  • Average sunshine days in September: 12.3 days

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (6.5 days).

Average UV index in September
Scranton, SC

Average UV index in September - Scranton, SC
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Scranton, SC

Average cloud cover in September - Scranton, SC
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Scranton, SC

Average visibility in September - Scranton, 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).

Scranton, South Carolina, USA

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