September weather forecast
Jackson, AL

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Weather in September

The first month of the autumn, September, is still a tropical month in Jackson, Alabama, with an average temperature fluctuating between 68°F (20°C) and 88.5°F (31.4°C).

Temperature

September registers an average high-temperature of a still tropical 88.5°F (31.4°C), slightly varied from August's 92.1°F (33.4°C). An average temperature of 68°F (20°C) marks the nights in September.

Heat index

The average heat index in September is estimated at an extremely hot 104°F (40°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, 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.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The average relative humidity in September in Jackson is 75%.

Rainfall

In September, the rain falls for 16.5 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. In Jackson, Alabama, during the entire year, the rain falls for 173.9 days and collects up to 35.63" (905mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 21min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:37 pm CDT.

Sunshine

In Jackson, Alabama, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

How hot is it in Jackson in September?

An average high-temperature, in September, in Jackson, is 88.5°F (31.4°C) and the average low-temperature is 68°F (20°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is estimated at 104°F (40°C).

What is the average humidity in September in Jackson?

In September, the average relative humidity in Jackson, Alabama, is 75%.

How much does it rain in Jackson in September?

In September, in Jackson, Alabama, the rain falls for 16.5 days. Throughout September, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Jackson?

April through November are months without snowfall in Jackson.

How many hours of daylight does Jackson have in September?

The average day length in September in Jackson, Alabama, is 12h and 21min.

What time are sunrise and sunset in September in Jackson?

On the first day of September, sunrise is at 6:27 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:37 pm CDT.

How long on average sun shines in September in Jackson?

In Jackson, Alabama, the average sunshine duration in September is 8.8h.

What is the UV index reading in September in Jackson?

In Jackson, Alabama, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Jackson, AL

Average temperature in September - Jackson, AL
  • Average high temperature in September: 88.5°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in September
Jackson, AL

Average pressure in September - Jackson, AL
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in September
Jackson, AL

Average wind speed in September - Jackson, AL
  • Average wind speed in September: 4.4mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in September
Jackson, AL

Average humidity in September - Jackson, AL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Jackson, AL

Average rainfall in September - Jackson, AL
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is November (2.05").

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Average rainfall days in September
Jackson, AL

Average rainfall days in September - Jackson, AL
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is July (24.7 days).
The month with the least rainy days is November (8 days).

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Average snowfall in September
Jackson, AL

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

The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Jackson, AL

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

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in September
Jackson, AL

Average sunshine days in September - Jackson, AL
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (4.4 days).

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Average UV index in September
Jackson, AL

Average UV index in September - Jackson, 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).

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Average cloud cover in September
Jackson, AL

Average cloud cover in September - Jackson, AL
  • Average cloud cover in September: 34

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).

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Average visibility in September
Jackson, AL

Average visibility in September - Jackson, AL
  • Average visibility in September: 5mi

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

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Jackson, Alabama, USA

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