September weather forecast
Northport, AL

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Weather in September

September sees summer transitioning into fall in Northport, with temperature receding to between 66.7°F (19.3°C) to 86.4°F (30.2°C). The start of meteorological fall introduces cooler temperatures and an appreciable decrease in daylight hours. With reduced heat and the absence of any significant weather extremes, the residents can enjoy a pleasant month. With moderate rainfall and lower humidity values, September marks the descent from the heights of summer into the embrace of fall. Northport in September presents atmospheric equilibrium, as it transitions from hot summer days to mild autumn evenings.

Temperature

September's beginning signals an average high-temperature of a still tropical 86.4°F (30.2°C), barely different from August's 91°F (32.8°C). Northport's nighttime temperature in September drops to an average of 66.7°F (19.3°C).

Heat index

For most parts of September, the heat index is computed to be a very hot 96.8°F (36°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in September is 72%.

Rainfall

In Northport, during September, the rain falls for 13.9 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Northport, there are 172.6 rainfall days, and 40.94" (1040mm) of precipitation is accumulated.

Snowfall

March through October are months without snowfall.

Daylight

The average length of the day in September in Northport is 12h and 22min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Northport, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

Is it hot in Northport during September?

An average high-temperature, in September, in Northport, is 86.4°F (30.2°C) and the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 96.8°F (36°C).

What is the average humidity in September in Northport?

In Northport, Alabama, the average relative humidity in September is 72%.

How much does it rain in Northport in September?

In Northport, in September, it is raining for 13.9 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Northport?

In Northport, Alabama, snow does not fall in March through October.

What is the average length of the day in September in Northport?

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

What time are sunrise and sunset in September in Northport?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:15 pm. On the last day of the month, in Northport, Alabama, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

How many hours of sunshine does Northport have in September?

In Northport, Alabama, the average sunshine duration in September is 9.3h.

What is the UV index reading in September in Northport?

The average daily maximum UV index in September in Northport, Alabama, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Northport, AL

Average temperature in September - Northport, AL
  • Average high temperature in September: 86.4°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in September: 66.7°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).

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Average pressure in September
Northport, AL

Average pressure in September - Northport, AL
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Northport, AL

Average wind speed in September - Northport, AL
  • Average wind speed in September: 5.1mph

The windiest months (with the highest average wind speed) are February, March and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Northport, AL

Average humidity in September - Northport, AL
  • Average humidity in September: 72%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Northport, AL

Average rainfall in September - Northport, AL
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is October (2.4").

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Average rainfall days in September
Northport, AL

Average rainfall days in September - Northport, AL
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in September
Northport, AL

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

The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in September
Northport, AL

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

The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Northport, AL

Average daylight in September / Average sunshine in September - Northport, 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 0min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in September
Northport, AL

Average sunshine days in September - Northport, AL
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (8 days).

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Average UV index in September
Northport, AL

Average UV index in September - Northport, AL
  • 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 and December (UV index 3).

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Average cloud cover in September
Northport, AL

Average cloud cover in September - Northport, AL
  • Average cloud cover in September: 28

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).

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Average visibility in September
Northport, AL

Average visibility in September - Northport, 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).

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Northport, Alabama, USA

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