September weather forecast
Huntersville, NC

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Weather in September

September marks the transition from summer to autumn in Huntersville, North Carolina. The average high temperature drops to 82.2°F (27.9°C), indicating a steady decrease towards the impending fall. The rainfall becomes less frequent and nocturnal temperatures continue to decrease. It is indeed a pleasant time for the residents as thunderstorms are seen petering out. The mellow sunshine stands out amid the crisp autumn air.

Temperature

September implies a soft temperature shift, with average high-temperatures reducing from August's hot 88.3°F (31.3°C) to a warm 82.2°F (27.9°C). Huntersville encounters a steady low-temperature average of 62.4°F (16.9°C) throughout the month of September.

Heat index

Throughout September, the heat index is computed to be a tropical 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Huntersville, in September, during 12.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Huntersville, during the entire year, the rain falls for 159.6 days and collects up to 33.07" (840mm) of precipitation.

Snowfall

In Huntersville, snow does not fall in April through October.

Daylight

The average length of the day in September in Huntersville, North Carolina, is 12h and 23min.
On the first day of September, sunrise is at 6:56 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Huntersville in September?

Huntersville in September has an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 62.4°F (16.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How much does it rain in September?

In Huntersville, in September, during 12.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Huntersville?

In Huntersville, snow does not fall in April through October.

How many hours of daylight does Huntersville have in September?

In Huntersville, North Carolina, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:56 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Huntersville, NC

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

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in September: 62.4°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 (32.2°F).

Average pressure in September
Huntersville, NC

Average pressure in September - Huntersville, 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
Huntersville, NC

Average wind speed in September - Huntersville, NC
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Huntersville, NC

Average humidity in September - Huntersville, NC
  • Average humidity in September: 74%

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

Average rainfall in September
Huntersville, NC

Average rainfall in September - Huntersville, NC
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is October (2.13").

Average rainfall days in September
Huntersville, NC

Average rainfall days in September - Huntersville, NC
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Huntersville, NC

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

The month with the highest snowfall is December (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Huntersville, NC

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

The month with the highest number of snowfall days is February (2.4 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
Huntersville, NC

Average daylight in September / Average sunshine in September - Huntersville, NC
  • Average daylight in September: 12h and 2min

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 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Huntersville, NC

Average sunshine days in September - Huntersville, NC
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11 days).

Average UV index in September
Huntersville, NC

Average UV index in September - Huntersville, 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
Huntersville, NC

Average cloud cover in September - Huntersville, NC
  • Average cloud cover in September: 36

The months with the most cloud cover are February, March and December (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in September
Huntersville, NC

Average visibility in September - Huntersville, 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).

Huntersville, North Carolina, USA

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