September weather forecast
Auburn, AL

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The campus at Auburn University in Alabama with the university chapel
The campus at Auburn University in Alabama with the university chapel

Weather in September

September brings a decrease in humidity and a slight drop in temperature in Auburn. The end of summer stirs a sense of relief among residents as the temperatures move from extreme to moderate. The onset of fall brings an array of vibrant colors, leaving the city irresistibly beautiful. Significant weather data reports a wind gust speed of 8.8mph (14.2km/h), the highest recorded since May. The arrival of October continues the downward temperature trend and gifts the city with an increase in windy days.

Temperature

September's average high-temperature in Auburn is a still tropical 86°F (30°C), maintaining a close comparison with August's 90.1°F (32.3°C). Throughout September, Auburn witnesses a nighttime temperature average of 66.7°F (19.3°C).

Heat index

September's average heat index is calculated to be a torrid 96.8°F (36°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 14.9 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

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

Daylight

In Auburn, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:17 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:27 pm CDT.

Sunshine

In Auburn, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September in Auburn is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

How hot is it in Auburn in September?

Auburn in September has an average high-temperature of 86°F (30°C) and an average low-temperature of 66.7°F (19.3°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 96.8°F (36°C).

What is the average humidity in September in Auburn?

In September, the average relative humidity is 72%.

What is the driest month in Auburn?

The month with the least rainfall is September, when the rain falls for 14.9 days and typically collects 2.17" (55mm) of precipitation.

How much does it rain in Auburn in September?

In Auburn, in September, during 14.9 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow in Auburn?

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

How many hours of daylight does Auburn have in September?

In September, the average day length in Auburn, Alabama, is 12h and 22min.

When is the sunrise / sunset in September in Auburn?

On the first day of September, sunrise is at 6:17 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:27 pm CDT.

How long on average sun shines in September in Auburn?

In Auburn, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in Auburn?

In Auburn, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Auburn, AL

Average temperature in September - Auburn, AL
  • Average high temperature in September: 86°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in September: 66.7°F

The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

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Average pressure in September
Auburn, AL

Average pressure in September - Auburn, AL
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Auburn, AL

Average wind speed in September - Auburn, AL
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in September
Auburn, AL

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

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Auburn, AL

Average rainfall in September - Auburn, AL
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in September
Auburn, AL

Average rainfall days in September - Auburn, AL
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in September
Auburn, AL

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

The month with the highest snowfall is February (0.24").
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
Auburn, AL

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

The month with the highest number of snowfall days is January (0.6 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
Auburn, AL

Average daylight in September / Average sunshine in September - Auburn, 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: 8h and 3min

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: 5h and 6min).

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Average sunshine days in September
Auburn, AL

Average sunshine days in September - Auburn, AL
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (6.4 days).

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Average UV index in September
Auburn, AL

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

The months with the highest UV index are June and July (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
Auburn, AL

Average cloud cover in September - Auburn, AL
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in September
Auburn, AL

Average visibility in September - Auburn, 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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Auburn, Alabama, USA

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