September weather forecast
Bibb Mill, AL

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Weather in September

September, the first month of the autumn in Bibb Mill, is also a moderately hot month, with an average temperature ranging between min 66.4°F (19.1°C) and max 85.5°F (29.7°C).

Temperature

With the arrival of September, Bibb Mill's average high-temperature registers at a moderately hot 85.5°F (29.7°C), indicating a subtle variation from the previous month. Throughout the month of September, Bibb Mill witnesses an average low-temperature of 66.4°F (19.1°C).

Heat index

The heat index in September is computed to be a fiery hot 95°F (35°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The average relative humidity in September is 72%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 0.98" (25mm) of precipitation.

Snowfall

In Bibb Mill, snow does not fall in March through November.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September in Bibb Mill, Alabama, sunrise is at 6:22 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:33 pm CDT.

Sunshine

In Bibb Mill, Alabama, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take precautions - Protection against skin and eye damage is obliged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot does it get in Bibb Mill in September?

Bibb Mill in September has an average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 66.4°F (19.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 95°F (35°C).

What is the average humidity in September in Bibb Mill?

In Bibb Mill, the average relative humidity in September is 72%.

What is the driest month in Bibb Mill?

September is the month with the least rainfall in Bibb Mill. Rain falls for 11.4 days and accumulates 0.98" (25mm) of precipitation.

How many days does it rain in September in Bibb Mill?

In Bibb Mill, Alabama, in September, it is raining for 11.4 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow in Bibb Mill?

March through November are months without snowfall in Bibb Mill, Alabama.

How many hours of daylight does Bibb Mill have in September?

The average day length in September in Bibb Mill, Alabama, is 12h and 22min.

When are sunrise and sunset in September in Bibb Mill?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:12 pm. On the last day of the month, in Bibb Mill, Alabama, sunrise is at 6:41 am and sunset at 6:33 pm CDT.

How many hours of sunshine does Bibb Mill have in September?

The average sunshine duration in September in Bibb Mill, Alabama, is 9h.

What is the UV index intensity in September in Bibb Mill?

In September, the average daily maximum UV index in Bibb Mill is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Bibb Mill, AL

Average temperature in September - Bibb Mill, AL
  • Average high temperature in September: 85.5°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in September: 66.4°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 (36.3°F).

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Average pressure in September
Bibb Mill, AL

Average pressure in September - Bibb Mill, 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
Bibb Mill, AL

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

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Bibb Mill, AL

Average humidity in September - Bibb Mill, 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 (71%).

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Average rainfall in September
Bibb Mill, AL

Average rainfall in September - Bibb Mill, AL
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is September (0.98").

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Average rainfall days in September
Bibb Mill, AL

Average rainfall days in September - Bibb Mill, AL
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (6.8 days).

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Average snowfall in September
Bibb Mill, AL

Average snowfall in September - Bibb Mill, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Bibb Mill, AL

Average snowfall days in September - Bibb Mill, AL
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.8 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
Bibb Mill, AL

Average daylight in September / Average sunshine in September - Bibb Mill, 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 0min

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).

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Average sunshine days in September
Bibb Mill, AL

Average sunshine days in September - Bibb Mill, AL
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in September
Bibb Mill, AL

Average UV index in September - Bibb Mill, 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
Bibb Mill, AL

Average cloud cover in September - Bibb Mill, AL
  • Average cloud cover in September: 29

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

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Average visibility in September
Bibb Mill, AL

Average visibility in September - Bibb Mill, 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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Bibb Mill, Alabama, USA

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