September weather forecastBurlington, NC
September
Weather in September
September unfolds the autumn curtain, bringing down temperatures to a comfortable 81.1°F (27.3°C) average high. Humidity ascends to 76%, manifesting dewy mornings and pleasant evenings. By this time, Burlington witnesses a marked reduction of rainfall events and a graduated fall in temperature. Longer nights and shortened daylight hours herald the harbinger of fall. As September says goodbye, October brings in the beautiful hues of autumn in full swing.Temperature
September in Burlington heralds a minor drop in average high-temperature, sliding from August's tropical 87.3°F (30.7°C) to a warm 81.1°F (27.3°C). During September, Burlington sees a mean low-temperature of 62.2°F (16.8°C).Heat index
The heat index value for September is evaluated at a hot 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. 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 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In Burlington, the average relative humidity in September is 76%.Rainfall
In Burlington, in September, it is raining for 13.7 days, with typically 2.36" (60mm) of accumulated precipitation. In Burlington, during the entire year, the rain falls for 160.6 days and collects up to 31.85" (809mm) of precipitation.Snowfall
In Burlington, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:50 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:02 pm EDT.
Sunshine
In September, the average sunshine in Burlington is 8.6h.UV index
In Burlington, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. To guard against the harmful effects of the Sun, minimize exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Burlington, NC
- Average high temperature in September: 81.1°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 (46.8°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Burlington, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Burlington, NC
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
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%).
Average rainfall in September
Burlington, NC
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is October (1.89").
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).
Average snowfall in September
Burlington, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
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).
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 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
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).
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).
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).
Average visibility in September
Burlington, NC
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
