September weather forecast
Blowing Rock, NC

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A very tranquil and colorful Broyhill Park near the calm Mayview Lake in Blowing Rock Town, North Carolina
A very tranquil and colorful Broyhill Park near the calm Mayview Lake in Blowing Rock Town, North Carolina

Weather in September

September in Blowing Rock signifies the commencement of the fall season. The maximum temperature declines to a comfortable 75.9°F (24.4°C), signifying the retreat of summer. This month also marks a noticeable reduction in rainfall, making it one of the drier months of the year. The regions start seeing shorter daylight hours, signaling the onset of cooler days ahead. The change in season can be witnessed in the form of vibrant fall colors splashed across the town's landscapes.

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 81.5°F (27.5°C) in August to a still moderately hot 75.9°F (24.4°C). Blowing Rock records an average temperature drop to a moderate 55.4°F (13°C) in September.

Humidity

In September, the average relative humidity in Blowing Rock is 78%.

Rainfall

September is the month with the least rainfall in Blowing Rock. Rain falls for 15.9 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

In Blowing Rock, North Carolina, snow does not fall in June through October.

Daylight

In Blowing Rock, North Carolina, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:58 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:11 pm EDT.

Sunshine

In Blowing Rock, the average sunshine in September is 8.3h.

UV index

In Blowing Rock, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What are the temperatures in Blowing Rock in September?

The average high-temperature and low-temperature in Blowing Rock during September are 75.9°F (24.4°C) and 55.4°F (13°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in September in Blowing Rock?

In September, the average relative humidity in Blowing Rock is 78%.

What is the driest month in Blowing Rock?

The month with the least rainfall is September, when the rain falls for 15.9 days and typically collects 2.05" (52mm) of precipitation.

How much does it rain in Blowing Rock in September?

In Blowing Rock, North Carolina, during September, the rain falls for 15.9 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Blowing Rock?

June through October are months without snowfall in Blowing Rock, North Carolina.

What is the average length of the day in September in Blowing Rock?

The average day length in September is 12h and 24min.

What time are sunrise and sunset in September in Blowing Rock?

On the first day of September in Blowing Rock, sunrise is at 6:58 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:11 pm EDT.

How long on average sun shines in September in Blowing Rock?

The average sunshine duration in September in Blowing Rock is 8.3h.

How high is the UV index in September in Blowing Rock?

In Blowing Rock, North Carolina, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Blowing Rock, NC

Average temperature in September - Blowing Rock, NC
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in September
Blowing Rock, NC

Average pressure in September - Blowing Rock, NC
  • Average pressure in September: 30.06"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
Blowing Rock, NC

Average wind speed in September - Blowing Rock, NC
  • Average wind speed in September: 4mph

The windiest months (with the highest average wind speed) are January and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in September
Blowing Rock, NC

Average humidity in September - Blowing Rock, NC
  • Average humidity in September: 78%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are June, July and November (75%).

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Average rainfall in September
Blowing Rock, NC

Average rainfall in September - Blowing Rock, NC
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Blowing Rock, NC

Average rainfall days in September - Blowing Rock, NC
  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in September
Blowing Rock, NC

Average snowfall in September - Blowing Rock, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.62").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Blowing Rock, NC

Average snowfall days in September - Blowing Rock, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Blowing Rock, NC

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

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 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in September
Blowing Rock, NC

Average sunshine days in September - Blowing Rock, NC
  • Average sunshine days in September: 12 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (7.2 days).

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Average UV index in September
Blowing Rock, NC

Average UV index in September - Blowing Rock, NC
  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Blowing Rock, NC

Average cloud cover in September - Blowing Rock, NC
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in September
Blowing Rock, NC

Average visibility in September - Blowing Rock, NC
  • Average visibility in September: 5mi

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

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Blowing Rock, North Carolina, USA

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