September weather forecast
Dallas, NC

Weather in September

The first month of the autumn, September, is still a warm month in Dallas, North Carolina, with an average temperature fluctuating between 82.2°F (27.9°C) and 62.6°F (17°C).

Temperature

In September, the average high-temperature marginally drops from a tropical 88.3°F (31.3°C) in August to a moderately hot 82.2°F (27.9°C). In Dallas, the average low-temperature is 62.6°F (17°C).

Heat index

The average heat index in September is calculated to be a tropical 87.6°F (30.9°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With 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 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, clothing), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Dallas, North Carolina, the average relative humidity in September is 73%.

Rainfall

In Dallas, during September, the rain falls for 13.4 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Dallas, during the entire year, the rain falls for 158.9 days and collects up to 31.26" (794mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:10 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in September in Dallas is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Dallas?

The average high-temperature, in September, in Dallas, North Carolina, is 82.2°F (27.9°C), while the average low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 87.6°F (30.9°C).

What is the average humidity in September in Dallas?

In September, the average relative humidity in Dallas, North Carolina, is 73%.

How many days does it rain in September in Dallas?

In September, in Dallas, North Carolina, the rain falls for 13.4 days. Throughout September, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Dallas?

April through October are months without snowfall in Dallas, North Carolina.

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

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

When are sunrise and sunset in September in Dallas?

On the first day of September in Dallas, North Carolina, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:10 pm EDT.

How long on average sun shines in September in Dallas?

In Dallas, North Carolina, the average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Dallas?

In Dallas, North Carolina, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Dallas, NC

Average temperature in September - Dallas, NC
  • Average high temperature in September: 82.2°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in September
Dallas, NC

Average pressure in September - Dallas, NC
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Dallas, NC

Average wind speed in September - Dallas, NC
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Dallas, NC

Average humidity in September - Dallas, NC
  • Average humidity in September: 73%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in September
Dallas, NC

Average rainfall in September - Dallas, NC
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").

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Average rainfall days in September
Dallas, NC

Average rainfall days in September - Dallas, NC
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in September
Dallas, NC

Average snowfall in September - Dallas, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Dallas, NC

Average snowfall days in September - Dallas, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Dallas, NC

Average daylight in September / Average sunshine in September - Dallas, NC
  • Average daylight in September: 12h and 23min

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 49min).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in September
Dallas, NC

Average sunshine days in September - Dallas, NC
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in September
Dallas, NC

Average UV index in September - Dallas, NC
  • 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).

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Average cloud cover in September
Dallas, NC

Average cloud cover in September - Dallas, NC
  • Average cloud cover in September: 34

The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

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Average visibility in September
Dallas, NC

Average visibility in September - Dallas, NC
  • 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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