September weather forecast
Fairfield, NC

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Weather in September

The first month of the autumn, September, is still a warm month in Fairfield, North Carolina, with an average temperature fluctuating between 66.6°F (19.2°C) and 82.6°F (28.1°C).

Temperature

Fairfield greets September with an average high-temperature of a moderately hot 82.6°F (28.1°C), marking a slight deviation from the preceding month. September brings Fairfield a consistent average low-temperature of 66.6°F (19.2°C).

Heat index

The heat index for September is evaluated at a tropical 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Fairfield, in September, during 15.4 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, there are 172.2 rainfall days, and 36.81" (935mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:49 pm EDT.

Sunshine

The average sunshine in September is 9.2h.

UV index

In Fairfield, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The average high-temperature and low-temperature during September are 82.6°F (28.1°C) and 66.6°F (19.2°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is evaluated at 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How much does it rain in September?

In Fairfield, in September, it is raining for 15.4 days, with typically 3.31" (84mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Fairfield have in September?

The average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Fairfield?

On the first day of September in Fairfield, sunrise is at 6:37 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:49 pm EDT.

How many hours of sunshine does Fairfield have in September?

In September, the average sunshine duration is 9.2h.

What is the UV index intensity in September in Fairfield?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Fairfield, NC

Average temperature in September - Fairfield, NC
  • Average high temperature in September: 82.6°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (50.4°F).

  • Average low temperature in September: 66.6°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

Average pressure in September
Fairfield, NC

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Fairfield, NC

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

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
Fairfield, NC

Average humidity in September - Fairfield, NC
  • Average humidity in September: 79%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Fairfield, NC

Average rainfall in September - Fairfield, NC
  • Average rainfall in September: 3.31"

The wettest month (with the highest rainfall) is August (4.57").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in September
Fairfield, NC

Average rainfall days in September - Fairfield, NC
  • Average rainfall days in September: 15.4 days

The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in September
Fairfield, NC

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

The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Fairfield, NC

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

The month with the highest number of snowfall days is January (1.4 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
Fairfield, NC

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

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in September
Fairfield, NC

Average sunshine days in September - Fairfield, NC
  • Average sunshine days in September: 13 days

The months with the most sunshine days are October and November (19 days).
The month with the least sunshine days is July (7.9 days).

Average UV index in September
Fairfield, NC

Average UV index in September - Fairfield, NC
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Fairfield, NC

Average cloud cover in September - Fairfield, NC
  • Average cloud cover in September: 37

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 32).

Average visibility in September
Fairfield, NC

Average visibility in September - Fairfield, NC
  • Average visibility in September: 6mi

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

Fairfield, North Carolina, USA

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