September weather forecast and climate
Deep Run, NC

The first month of the autumn, September, is still a warm month in Deep Run, North Carolina, with average temperature ranging between min 65.3°F (18.5°C) and max 81.5°F (27.5°C).

Temperature

In Deep Run, the average high-temperature slightly decreases, from a hot 86.9°F (30.5°C) in August, to a moderately hot 81.5°F (27.5°C). The average low-temperature, in September, is 65.3°F (18.5°C).

Heat index

The average heat index in September is appraised at a tropical 87.4°F (30.8°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, clothing, differences in body mass, height, and shape, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

August and September, with an average relative humidity of 79%, are most humid months in Deep Run.

Rainfall

In Deep Run, it is raining for 9 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 110.7 rainfall days, and 9.02" (229mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Deep Run.

Daylight

In Deep Run, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index in Deep Run, North Carolina, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Deep Run?

In Deep Run, in September, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), that combines air temperature and relative humidity, in September is estimated at 87.4°F (30.8°C).

What are the most humid months in Deep Run?

August and September, with an average relative humidity of 79%, are most humid months.

What is the average humidity in September in Deep Run?

In September, the average relative humidity in Deep Run, North Carolina, is 79%.

How much does it rain in Deep Run in September?

In Deep Run, during September, the rain falls for 9 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Deep Run?

March through December are months without snowfall.

How many hours of daylight does Deep Run have in September?

In Deep Run, the average length of the day in September is 12.4h.

How long on average sun shines in September in Deep Run?

The average sunshine in September in Deep Run is 9.1h.

What is the UV index reading in September in Deep Run?

In Deep Run, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in September - Deep Run, NC
  • Average high temperature in September: 27.5°C

The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (9.8°C).

  • Average low temperature in September: 18.5°C

The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).

Average pressure in September - Deep Run, NC
  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is November (1020.5mbar).
The month with the lowest atmospheric pressure is June (1014.6mbar).

Average wind speed in September - Deep Run, NC
  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is April (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).

Average humidity in September - Deep Run, NC
  • Average humidity in September: 79%

Months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is January (73%).

Average rainfall in September - Deep Run, NC
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is January (10mm).

Average rainfall days in September - Deep Run, NC
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is November (5.8 days).

Average snowfall in September - Deep Run, NC
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (2mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September - Deep Run, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.7 days).
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 - Deep Run, NC
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 9.1h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

Average sunshine days in September - Deep Run, NC
  • Average sunshine days in September: 18 days

The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in September - Deep Run, NC
  • Average UV index in September: 5

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 - Deep Run, NC
  • Average cloud cover in September: 36

Months with the most cloud cover are February and March (Cloud cover 41).
Months with the least cloud cover are June, July and October (Cloud cover 32).

Average visibility in September - Deep Run, NC
  • Average visibility in September: 9km

Months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
The month with the lowest visibility is August (8km).