September weather forecast
Burlington, NC

Weather in September

The first month of the autumn, September, is also a moderately hot month in Burlington, North Carolina, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 62.2°F (16.8°C).

Temperature

In Burlington, the average high-temperature in September slightly decreases, from a hot 87.3°F (30.7°C) in August, to a moderately hot 81.1°F (27.3°C). The average low-temperature, in September, is 62.2°F (16.8°C).

Heat index

The average heat index is calculated to be 86°F (30°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 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', 'feels like', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, differences in body mass, height, and shape, pregnancy, and metabolic differences affect individual temperature impact. 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. 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

In September, the average relative humidity in Burlington is 76%.

Rainfall

In Burlington, during 13.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 160.6 rainfall days, and 31.85" (809mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Burlington.

Daylight

The average length of the day in Burlington is 12.4h.

Sunshine

The average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in Burlington is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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.
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FAQ

What is the temperature in September in Burlington?

In September, in Burlington, North Carolina, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 62.2°F (16.8°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in September in Burlington?

In September, the average relative humidity in Burlington is 76%.

How much does it rain in Burlington in September?

In Burlington, in September, during 13.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Burlington?

April through October are months without snowfall in Burlington.

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

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

How many hours of sunshine does Burlington have in September?

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

What is the UV index reading in September in Burlington?

In Burlington, North Carolina, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Burlington, NC

Average temperature in September - Burlington, NC
  • Average high temperature in September: 27.3°C

The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (8.2°C).

  • Average low temperature in September: 16.8°C

The month with the highest average low temperature is July (20.4°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).

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Average pressure in September
Burlington, NC

Average pressure in September - Burlington, NC
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is November (1021.1mbar).
The month with the lowest atmospheric pressure is June (1014.9mbar).

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Average wind speed in September
Burlington, NC

Average wind speed in September - Burlington, NC
  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is April (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).

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Average humidity in September
Burlington, NC

Average humidity in September - Burlington, NC
  • Average humidity in September: 76%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in September
Burlington, NC

Average rainfall in September - Burlington, NC
  • Average rainfall in September: 60mm

The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is October (48mm).

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Average rainfall days in September
Burlington, NC

Average rainfall days in September - Burlington, NC
  • Average rainfall days in September: 13.7 days

The months with the highest number of rainy days are May and August (17.3 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in September
Burlington, NC

Average snowfall in September - Burlington, NC
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (58mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Burlington, NC

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

The month with the highest number of snowfall days is February (2.6 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
Burlington, NC

Average daylight in September / Average sunshine in September - Burlington, NC
  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 34min).
The month with the shortest days is December (Average daylight: 9h and 45min).

  • Average sunshine in September: 8.6h

The months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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Average sunshine days in September
Burlington, NC

Average sunshine days in September - Burlington, NC
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in September
Burlington, NC

Average UV index in September - Burlington, 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, February and December (UV index 2).

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Average cloud cover in September
Burlington, NC

Average cloud cover in September - Burlington, NC
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 32).

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Average visibility in September
Burlington, NC

Average visibility in September - Burlington, NC
  • Average visibility in September: 8km

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

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