September weather forecast and climate
Prairie Bluff, AL

Weather in September

The first month of the autumn, September, is still a hot month in Prairie Bluff, Alabama, with average temperature ranging between max 88.3°F (31.3°C) and min 67.5°F (19.7°C).

Temperature

In September, the average high-temperature is almost the same as in August - a still tropical 88.3°F (31.3°C). In Prairie Bluff, the average low-temperature is 67.5°F (19.7°C).

Heat index

In September, the average heat index is evaluated at a torrid 102.9°F (39.4°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, wind, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in September is 73%.

Rainfall

In Prairie Bluff, during September, the rain falls for 15.7 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 171.5 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

Snowfall

In Prairie Bluff snow does not fall in April through November.

Daylight

In September, the average length of the day in Prairie Bluff is 12.3h.

Sunshine

In Prairie Bluff, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in Prairie Bluff is 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Prairie Bluff?

In Prairie Bluff, in September, the average high-temperature is 88.3°F (31.3°C), and the average low-temperature is 67.5°F (19.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, in September is appraised at 102.9°F (39.4°C).

What is the average humidity in September in Prairie Bluff?

In September, the average relative humidity is 73%.

How much does it rain in Prairie Bluff in September?

In Prairie Bluff, Alabama, in September, it is raining for 15.7 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in Prairie Bluff?

April through November are months without snowfall in Prairie Bluff, Alabama.

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

In September, the average length of the day is 12.3h.

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

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

What is the UV index intensity in September in Prairie Bluff?

In Prairie Bluff, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.

Average temperature in September
Prairie Bluff, AL

Average temperature in September - Prairie 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

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
Prairie Bluff, AL

Average pressure in September - Prairie Bluff, AL
  • Average pressure in September: 29.99"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.97").

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Average wind speed in September
Prairie Bluff, AL

Average wind speed in September - Prairie 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
Prairie Bluff, AL

Average humidity in September - Prairie 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
Prairie Bluff, AL

Average rainfall in September - Prairie 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
Prairie Bluff, AL

Average rainfall days in September - Prairie 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
Prairie Bluff, AL

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

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

Average snowfall days in September - Prairie Bluff, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.6 days).
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
Prairie Bluff, AL

Average daylight in September / Average sunshine in September - Prairie Bluff, AL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 8.8h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in September
Prairie Bluff, AL

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

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
Prairie Bluff, AL

Average UV index in September - Prairie Bluff, AL
  • Average UV index in September: 6

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Prairie Bluff, AL

Average cloud cover in September - Prairie 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
Prairie Bluff, AL

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

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

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