September weather forecast
Newbern, KY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Newbern, Kentucky, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 81.5°F (27.5°C).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a hot 87.1°F (30.6°C) in August to a warm 81.5°F (27.5°C). The average low-temperature, in September, is a comfortable 61.9°F (16.6°C).

Heat index

September's heat index is appraised at a tropical 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.28" (7mm) of precipitation.

Snowfall

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

Daylight

In Newbern, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:37 pm CDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - Avoiding sunburn is suggested. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Newbern, records 81.5°F (27.5°C), while the low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September in Newbern?

The average relative humidity in September is 72%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.28" (7mm) of precipitation.

How many days does it rain in September in Newbern?

In Newbern, during September, the rain falls for 7.1 days and regularly aggregates up to 0.28" (7mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 25min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:37 pm CDT.

How long on average sun shines in September?

In Newbern, Kentucky, the average sunshine duration in September is 9.3h.

What is the UV index intensity in September?

In Newbern, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes 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
Newbern, KY

Average temperature in September - Newbern, KY
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September
Newbern, KY

Average pressure in September - Newbern, KY
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Newbern, KY

Average wind speed in September - Newbern, KY
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in September
Newbern, KY

Average humidity in September - Newbern, KY
  • Average humidity in September: 72%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Newbern, KY

Average rainfall in September - Newbern, KY
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in September
Newbern, KY

Average rainfall days in September - Newbern, KY
  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is November (5.7 days).

Average snowfall in September
Newbern, KY

Average snowfall in September - Newbern, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Newbern, KY

Average snowfall days in September - Newbern, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Newbern, KY

Average daylight in September / Average sunshine in September - Newbern, KY
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in September
Newbern, KY

Average sunshine days in September - Newbern, KY
  • Average sunshine days in September: 19.7 days

The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.7 days).

Average UV index in September
Newbern, KY

Average UV index in September - Newbern, KY
  • Average UV index in September: 5

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

Average cloud cover in September
Newbern, KY

Average cloud cover in September - Newbern, KY
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in September
Newbern, KY

Average visibility in September - Newbern, KY
  • 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).

Newbern, Kentucky, USA

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