September weather forecast
Posey Mill, AL

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Weather in September

September, the first month of the autumn in Posey Mill, is still a warm month, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 64°F (17.8°C).

Temperature

September's presence marks an average high-temperature of a moderately hot 83.7°F (28.7°C), subtly varied from August's 88.9°F (31.6°C). September nights cool down to an average low-temperature of 64°F (17.8°C).

Heat index

The average heat index in September is computed to be a tropical 91.4°F (33°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in September in Posey Mill, Alabama, is 74%.

Rainfall

In Posey Mill, in September, during 14 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 174.6 rainfall days, and 42.8" (1087mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Posey Mill.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

Sunshine

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

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

Is it hot in Posey Mill during September?

During September, Posey Mill experiences an average high-temperature of 83.7°F (28.7°C) and a low-temperature of 64°F (17.8°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in September in Posey Mill?

In September, the average relative humidity in Posey Mill, Alabama, is 74%.

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

In September, in Posey Mill, Alabama, the rain falls for 14 days. Throughout September, 2.68" (68mm) of precipitation is accumulated.

When it does not snow in Posey Mill?

In Posey Mill, snow does not fall in April through October.

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

In Posey Mill, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Posey Mill?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, in Posey Mill, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

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

In September, the average sunshine duration in Posey Mill is 9h.

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

In Posey Mill, Alabama, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Posey Mill, AL

Average temperature in September - Posey Mill, AL
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (34°F).

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Average pressure in September
Posey Mill, AL

Average pressure in September - Posey Mill, AL
  • Average pressure in September: 30.01"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
Posey Mill, AL

Average wind speed in September - Posey Mill, AL
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in September
Posey Mill, AL

Average humidity in September - Posey Mill, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Posey Mill, AL

Average rainfall in September - Posey Mill, AL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is November (2.4").

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Average rainfall days in September
Posey Mill, AL

Average rainfall days in September - Posey Mill, AL
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in September
Posey Mill, AL

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

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Posey Mill, AL

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Posey Mill, AL

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in September
Posey Mill, AL

Average sunshine days in September - Posey Mill, AL
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (9.3 days).

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Average UV index in September
Posey Mill, AL

Average UV index in September - Posey Mill, AL
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Posey Mill, AL

Average cloud cover in September - Posey Mill, AL
  • Average cloud cover in September: 30

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in September
Posey Mill, AL

Average visibility in September - Posey Mill, AL
  • Average visibility in September: 6mi

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

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Posey Mill, Alabama, USA

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