September weather forecast
Coal Bluff, AL

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Weather in September

The first month of the autumn, September, is still a hot month in Coal Bluff, Alabama, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 67.5°F (19.7°C).

Temperature

Transitioning into September, Coal Bluff records an average high-temperature of a still tropical 88.3°F (31.3°C), almost identical to August's 92.7°F (33.7°C). An average low-temperature of 67.5°F (19.7°C) is common during the nights of September.

Heat index

For September, the heat index is estimated at a sweltering 102.2°F (39°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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 are extremely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Coal Bluff, in September, it is raining for 15.7 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Coal Bluff, there are 171.5 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Coal Bluff.

Daylight

The average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:35 pm CDT.

Sunshine

In Coal Bluff, the average sunshine in September is 8.8h.

UV index

In Coal Bluff, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

How hot is September in Coal Bluff?

The average high-temperature and low-temperature in Coal Bluff, Alabama, during September are 88.3°F (31.3°C) and 67.5°F (19.7°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 102.2°F (39°C).

What is the average humidity in September in Coal Bluff?

In Coal Bluff, the average relative humidity in September is 73%.

How many days does it rain in September in Coal Bluff?

In September, in Coal Bluff, the rain falls for 15.7 days. Throughout September, 2.44" (62mm) of precipitation is accumulated.

When it does not snow in Coal Bluff?

In Coal Bluff, Alabama, snow does not fall in April through November.

What is the average length of the day in September in Coal Bluff?

In September, the average day length is 12h and 21min.

When is the sunrise / sunset in September in Coal Bluff?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:13 pm. On the last day of the month, in Coal Bluff, Alabama, sunrise is at 6:43 am and sunset at 6:35 pm CDT.

How many hours of sunshine does Coal Bluff have in September?

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

What is the UV index reading in September in Coal Bluff?

The average daily maximum UV index in September in Coal Bluff, Alabama, is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to 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
Coal Bluff, AL

Average temperature in September - Coal Bluff, AL
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in September: 67.5°F

The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in September
Coal Bluff, AL

Average pressure in September - Coal Bluff, 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).

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Average wind speed in September
Coal Bluff, AL

Average wind speed in September - Coal Bluff, AL
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Coal Bluff, AL

Average humidity in September - Coal Bluff, AL
  • Average humidity in September: 73%

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
Coal Bluff, AL

Average rainfall in September - Coal Bluff, AL
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is November (1.93").

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Average rainfall days in September
Coal Bluff, AL

Average rainfall days in September - Coal Bluff, AL
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in September
Coal Bluff, AL

Average snowfall in September - Coal Bluff, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is March (0.31").
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
Coal Bluff, AL

Average snowfall days in September - Coal Bluff, 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 and October (0 days).

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Average daylight in September /
Average sunshine in September
Coal Bluff, AL

Average daylight in September / Average sunshine in September - Coal Bluff, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in September
Coal Bluff, AL

Average sunshine days in September - Coal Bluff, AL
  • Average sunshine days in September: 12.7 days

The months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (6.6 days).

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Average UV index in September
Coal Bluff, AL

Average UV index in September - Coal Bluff, 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
Coal Bluff, AL

Average cloud cover in September - Coal Bluff, AL
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).

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Average visibility in September
Coal Bluff, AL

Average visibility in September - Coal Bluff, AL
  • Average visibility in September: 5mi

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

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Coal Bluff, Alabama, USA

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