September weather forecastKannapolis, NC
September
Weather in September
As Kannapolis enters September, signs of the upcoming fall start to become evident. The city shows a marked decrease in temperature from the peak summer months, providing a pleasant contrast. The coolest point in the day drops down to 62.6°F (17°C), marking the beginning of colder nights. The days still remain relatively long and bright, making September an exceptional time to enjoy the colors of autumn. The wind speed remains moderate, adding to the calming ambiance of the season.Temperature
In the transition to September, Kannapolis observes a minor drop in the average high-temperature, shifting from a tropical 87.8°F (31°C) in August to a moderately hot 82°F (27.8°C). An average minimum temperature of 62.6°F (17°C) is recorded during the month of September.Heat index
For most parts of September, the heat index is calculated to be a hot 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In September, the average relative humidity in Kannapolis is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 0.79" (20mm) of precipitation.Snowfall
In Kannapolis, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:07 pm EDT.
Sunshine
In September, the average sunshine in Kannapolis is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, a regular UV index of 5 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kannapolis, NC
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Kannapolis, 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).
Average wind speed in September
Kannapolis, NC
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Kannapolis, NC
- Average humidity in September: 74%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Kannapolis, NC
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in September
Kannapolis, NC
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in September
Kannapolis, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Kannapolis, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Kannapolis, NC
- Average daylight in September: 12h and 24min
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 48min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Kannapolis, NC
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Kannapolis, 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).
Average cloud cover in September
Kannapolis, NC
- Average cloud cover in September: 36
The months with the most cloud cover are February, March and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Kannapolis, 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).





