September weather forecast
Shamokin, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Shamokin, South Carolina, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 66.2°F (19°C).

Temperature

The shift into September uncovers an average high-temperature of a moderately hot 83.3°F (28.5°C), subtly different from the previous month. In Shamokin, the average temperature during the nights of September drops to an enjoyable 66.2°F (19°C).

Heat index

September's average heat index is calculated to be a tropical 89.6°F (32°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Shamokin, the average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:07 pm EDT.

Sunshine

In Shamokin, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during September translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

In Shamokin, in September, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in September?

In Shamokin, South Carolina, during September, the rain falls for 9.5 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Shamokin have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:07 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

What is the UV index reading in September?

In Shamokin, the average daily maximum UV index in September 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
Shamokin, SC

Average temperature in September - Shamokin, SC
  • Average high temperature in September: 83.3°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 (52.2°F).

  • Average low temperature in September: 66.2°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

Average pressure in September
Shamokin, SC

Average pressure in September - Shamokin, 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
Shamokin, SC

Average wind speed in September - Shamokin, SC
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are February and April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Shamokin, SC

Average humidity in September - Shamokin, 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, March and November (70%).

Average rainfall in September
Shamokin, SC

Average rainfall in September - Shamokin, SC
  • Average rainfall in September: 0.59"

The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in September
Shamokin, SC

Average rainfall days in September - Shamokin, SC
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is November (5.8 days).

Average snowfall in September
Shamokin, SC

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

The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Shamokin, SC

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

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

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

Average daylight in September / Average sunshine in September - Shamokin, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in September
Shamokin, SC

Average sunshine days in September - Shamokin, SC
  • Average sunshine days in September: 18.7 days

The month with the most sunshine days is October (23.9 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in September
Shamokin, SC

Average UV index in September - Shamokin, 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
Shamokin, SC

Average cloud cover in September - Shamokin, SC
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in September
Shamokin, SC

Average visibility in September - Shamokin, 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).

Shamokin, South Carolina, USA

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