September weather forecast
Biltmore Forest, NC

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Weather in September

September, the first month of the autumn in Biltmore Forest, is also a moderately hot month, with an average temperature varying between 55.8°F (13.2°C) and 77.2°F (25.1°C).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 82.6°F (28.1°C) in August to a still warm 77.2°F (25.1°C). Biltmore Forest observes an average nighttime low-temperature of 55.8°F (13.2°C) during the month of September.

Humidity

May, September and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

The month with the least rainfall in Biltmore Forest is September, when the rain falls for 10.1 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

In Biltmore Forest, North Carolina, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of September, in Biltmore Forest, sunrise is at 7:24 am and sunset at 7:14 pm EDT.

Sunshine

In Biltmore Forest, the average sunshine in September is 8.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the average September temperature in Biltmore Forest?

The high-temperature, in September, in Biltmore Forest, records 77.2°F (25.1°C), while the low-temperature is 55.8°F (13.2°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What is the most humid month in Biltmore Forest?

May, September and December, with an average relative humidity of 78%, are most humid months in Biltmore Forest, North Carolina.

What is the average humidity in September in Biltmore Forest?

In September, the average relative humidity in Biltmore Forest is 78%.

What is the driest month in Biltmore Forest?

The month with the least rainfall is September, when the rain falls for 10.1 days and typically collects 0.91" (23mm) of precipitation.

How much does it rain in Biltmore Forest in September?

In Biltmore Forest, during September, the rain falls for 10.1 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When it does not snow in Biltmore Forest?

In Biltmore Forest, snow does not fall in May through October.

What is the average length of the day in September in Biltmore Forest?

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

What time are sunrise and sunset in September in Biltmore Forest?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm EDT.

How long on average sun shines in September in Biltmore Forest?

In Biltmore Forest, North Carolina, the average sunshine duration in September is 8.2h.

How high is the UV index in September in Biltmore Forest?

The average daily maximum UV index in September in Biltmore Forest is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Biltmore Forest, NC

Average temperature in September - Biltmore Forest, NC
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (28°F).

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Average pressure in September
Biltmore Forest, NC

Average pressure in September - Biltmore Forest, NC
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in September
Biltmore Forest, NC

Average wind speed in September - Biltmore Forest, NC
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in September
Biltmore Forest, NC

Average humidity in September - Biltmore Forest, NC
  • Average humidity in September: 78%

The months with the highest relative humidity are May, September and December (78%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in September
Biltmore Forest, NC

Average rainfall in September - Biltmore Forest, NC
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in September
Biltmore Forest, NC

Average rainfall days in September - Biltmore Forest, NC
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (6.8 days).

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Average snowfall in September
Biltmore Forest, NC

Average snowfall in September - Biltmore Forest, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Biltmore Forest, NC

Average snowfall days in September - Biltmore Forest, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Biltmore Forest, NC

Average daylight in September / Average sunshine in September - Biltmore Forest, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Biltmore Forest, NC

Average sunshine days in September - Biltmore Forest, NC
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (12.6 days).

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Average UV index in September
Biltmore Forest, NC

Average UV index in September - Biltmore Forest, NC
  • Average UV index in September: 4

The months with the highest UV index are 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
Biltmore Forest, NC

Average cloud cover in September - Biltmore Forest, NC
  • Average cloud cover in September: 37

The months with the most cloud cover are February, March and December (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in September
Biltmore Forest, NC

Average visibility in September - Biltmore Forest, NC
  • Average visibility in September: 5mi

The months with the highest visibility are February, June, July and November (6mi).
The months with the lowest visibility are January, March, April, May, August, September, October and December (5mi).

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Biltmore Forest, North Carolina, USA

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