September weather forecast
Newbern, AL

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Weather in September

The first month of the autumn, September, is also a hot month in Newbern, Alabama, with an average temperature ranging between min 67.1°F (19.5°C) and max 87.1°F (30.6°C).

Temperature

The shift into September records an average high-temperature of a still tropical 87.1°F (30.6°C), subtly varied from August's 91.4°F (33°C). Newbern observes an average nighttime temperature of 67.1°F (19.5°C) during September.

Heat index

For most parts of September, the heat index is calculated to be a torrid 98.6°F (37°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in September is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 2.2" (56mm) of precipitation.

Snowfall

March through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

Sunshine

The average sunshine in September in Newbern is 9.2h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in September leads to these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

In Newbern, 87.1°F (30.6°C) is the average high-temperature and 67.1°F (19.5°C) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 98.6°F (37°C).

What is the average humidity in September?

In Newbern, the average relative humidity in September is 71%.

What is the driest month?

The month with the least rainfall in Newbern is September, when the rain falls for 13.4 days and typically collects 2.2" (56mm) of precipitation.

How many days does it rain in September in Newbern?

In September, the rain falls for 13.4 days. Throughout September, 2.2" (56mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Newbern have in September?

The average day length in September is 12h and 22min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.2h.

How high is the UV index in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health 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
Newbern, AL

Average temperature in September - Newbern, AL
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in September
Newbern, AL

Average pressure in September - Newbern, AL
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in September
Newbern, AL

Average wind speed in September - Newbern, AL
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Newbern, AL

Average humidity in September - Newbern, AL
  • Average humidity in September: 71%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Newbern, AL

Average rainfall in September - Newbern, AL
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is April (4.17").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in September
Newbern, AL

Average rainfall days in September - Newbern, AL
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in September
Newbern, AL

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

The month with the highest snowfall is January (0.47").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in September
Newbern, AL

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

The month with the highest number of snowfall days is January (1.2 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
Newbern, AL

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in September
Newbern, AL

Average sunshine days in September - Newbern, AL
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in September
Newbern, AL

Average UV index in September - Newbern, AL
  • Average UV index in September: 6

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

Average cloud cover in September
Newbern, AL

Average cloud cover in September - Newbern, AL
  • Average cloud cover in September: 29

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 29).

Average visibility in September
Newbern, AL

Average visibility in September - Newbern, AL
  • 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, Alabama, USA

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