September weather forecast
Jackson, NC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Jackson, North Carolina, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.5°F (17.5°C).

Temperature

With the arrival of September, Jackson experiences a modest decline in average high-temperatures, transitioning from a hot 86.5°F (30.3°C) in August to a moderately hot 81.1°F (27.3°C). The average temperature during September nights dips to a refreshing 63.5°F (17.5°C).

Heat index

Throughout September, the heat index is computed to be a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
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. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Jackson, during September, the rain falls for 12.9 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Jackson, during the entire year, the rain falls for 149 days and collects up to 24.02" (610mm) of precipitation.

Snowfall

In Jackson, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:41 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:54 pm EDT.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Jackson is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In Jackson, in September, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 63.5°F (17.5°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 78%.

How much does it rain in September?

In Jackson, in September, during 12.9 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Jackson have in September?

In Jackson, the average day length in September is 12h and 24min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:41 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:54 pm EDT.

How many hours of sunshine does Jackson have in September?

In September, the average sunshine duration is 9h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Jackson, NC

Average temperature in September - Jackson, NC
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).

Average pressure in September
Jackson, NC

Average pressure in September - Jackson, NC
  • Average pressure in September: 30.03"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
Jackson, NC

Average wind speed in September - Jackson, NC
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
Jackson, NC

Average humidity in September - Jackson, NC
  • Average humidity in September: 78%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in September
Jackson, NC

Average rainfall in September - Jackson, NC
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is October (1.38").

Average rainfall days in September
Jackson, NC

Average rainfall days in September - Jackson, NC
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in September
Jackson, NC

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

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Jackson, NC

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

The month with the highest number of snowfall days is February (2.2 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
Jackson, NC

Average daylight in September / Average sunshine in September - Jackson, 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 42min).

  • Average sunshine in September: 9h and 0min

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

Average sunshine days in September
Jackson, NC

Average sunshine days in September - Jackson, NC
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (12.1 days).

Average UV index in September
Jackson, NC

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Jackson, NC

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

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in September
Jackson, NC

Average visibility in September - Jackson, 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).

Jackson, North Carolina, USA

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