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, 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

A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a tropical 88.3°F to a warm 82.2°F. Huntersville anticipates an average minimum temperature of 62.4°F in the month of September.

Heat index

The heat index value for September is estimated at a hot 87.8°F. Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle 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 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and 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. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In Huntersville, North Carolina, the average relative humidity in September is 74%.

Rainfall

In Huntersville, in September, it is raining for 12.8 days, with typically 2.32" of accumulated precipitation. Throughout the year, there are 159.6 rainfall days, and 33.07" of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September in Huntersville, sunrise is at 6:55 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:09 pm EDT.

Sunshine

In September, the average sunshine in Huntersville is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take precautions - Protection against sunburn is recommended. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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FAQ

What are the temperatures in Huntersville in September?

In Huntersville, in September, the average high-temperature is 82.2°F, and the average low-temperature is 62.4°F. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 87.8°F.

What is the average humidity in September in Huntersville?

In September, the average relative humidity in Huntersville, North Carolina, is 74%.

How many days does it rain in September in Huntersville?

In September, in Huntersville, the rain falls for 12.8 days. Throughout September, 2.32" of precipitation is accumulated.

When it does not snow in Huntersville?

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

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

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

What time are sunrise and sunset in September in Huntersville?

In September, on the first day of the month, sunrise is at 6:55 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:09 pm EDT.

How long on average sun shines in September in Huntersville?

In September, the average sunshine duration in Huntersville, North Carolina, is 8.5h.

What is the UV index intensity in September in Huntersville?

The average daily maximum UV index in September in Huntersville is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Huntersville, North Carolina, USA

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