September weather forecast
Oak City, NC

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Weather in September

September, the first month of the autumn in Oak City, is still a warm month, with an average temperature fluctuating between 81.5°F (27.5°C) and 64.9°F (18.3°C).

Temperature

As September takes hold, the average high-temperature is a warm 81.5°F (27.5°C), nearly mirroring that of the previous month. Oak City, during the month of September, experiences an average low-temperature of 64.9°F (18.3°C).

Heat index

During 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.
Heat index determinations are made taking into account the shade and light air movements. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The months with the highest humidity are May, August and September, with an average relative humidity of 79%.

Rainfall

In Oak City, during September, the rain falls for 8.6 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 92.6 rainfall days, and 8.23" (209mm) of precipitation is accumulated.

Snowfall

In Oak City, snow does not fall in March 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 6:41 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:53 pm EDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

During September, Oak City experiences an average high-temperature of 81.5°F (27.5°C) and a low-temperature of 64.9°F (18.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 87.8°F (31°C).

What is the most humid month?

May, August and September, with an average relative humidity of 79%, are most humid months.

What is the average humidity in September?

The average relative humidity in September is 79%.

How much does it rain in September?

In Oak City, North Carolina, during September, the rain falls for 8.6 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Oak City?

March through November are months without snowfall.

How many hours of daylight does Oak City have in September?

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 6:41 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm EDT.

How long on average sun shines in September?

In Oak City, the average sunshine duration in September is 9.2h.

How high is the UV index in September?

In Oak City, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes 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
Oak City, NC

Average temperature in September - Oak City, NC
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).

Average pressure in September
Oak City, NC

Average pressure in September - Oak City, NC
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Oak City, NC

Average wind speed in September - Oak City, NC
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Oak City, NC

Average humidity in September - Oak City, NC
  • Average humidity in September: 79%

The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March and April (75%).

Average rainfall in September
Oak City, NC

Average rainfall in September - Oak City, NC
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is August (1.14").
The driest months (with the least rainfall) are March and October (0.43").

Average rainfall days in September
Oak City, NC

Average rainfall days in September - Oak City, NC
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is August (11.5 days).
The month with the least rainy days is October (4.7 days).

Average snowfall in September
Oak City, NC

Average snowfall in September - Oak City, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Oak City, NC

Average snowfall days in September - Oak City, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1 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
Oak City, NC

Average daylight in September / Average sunshine in September - Oak City, 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: 9h and 1min

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

Average sunshine days in September
Oak City, NC

Average sunshine days in September - Oak City, NC
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is August (15.6 days).

Average UV index in September
Oak City, NC

Average UV index in September - Oak City, NC
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Oak City, NC

Average cloud cover in September - Oak City, NC
  • Average cloud cover in September: 37

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).

Average visibility in September
Oak City, NC

Average visibility in September - Oak City, NC
  • Average visibility in September: 5mi

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

Oak City, North Carolina, USA

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