September weather forecast and climate
Yellow Bluff, AL

Weather in September

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

Temperature

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

Heat index

In September, the average heat index is estimated at a sweltering 102.9°F (39.4°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, metabolic differences, clothing), and activity. 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 normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. 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

In September, the average relative humidity is 73%.

Rainfall

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

Snowfall

April through November are months without snowfall in Yellow Bluff.

Daylight

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

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Yellow Bluff, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Yellow Bluff?

In Yellow 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. 'apparent temperature', 'feels like'), that combines air temperature and relative humidity, in September is calculated to 102.9°F (39.4°C).

What is the average humidity in September in Yellow Bluff?

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

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

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

When it does not snow in Yellow Bluff?

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

How many hours of daylight does Yellow Bluff have in September?

The average length of the day in September in Yellow Bluff is 12.3h.

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

The average sunshine in September is 8.8h.

What is the UV index reading in September in Yellow 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 the exposure to the Sun's UV rays.

Average temperature in September
Yellow Bluff, AL

Average temperature in September - Yellow 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
Yellow Bluff, AL

Average pressure in September - Yellow 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
Yellow Bluff, AL

Average wind speed in September - Yellow 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
Yellow Bluff, AL

Average humidity in September - Yellow 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
Yellow Bluff, AL

Average rainfall in September - Yellow 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
Yellow Bluff, AL

Average rainfall days in September - Yellow 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
Yellow Bluff, AL

Average snowfall in September - Yellow 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
Yellow Bluff, AL

Average snowfall days in September - Yellow 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
Yellow Bluff, AL

Average daylight in September / Average sunshine in September - Yellow 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
Yellow Bluff, AL

Average sunshine days in September - Yellow 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
Yellow Bluff, AL

Average UV index in September - Yellow 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
Yellow Bluff, AL

Average cloud cover in September - Yellow 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
Yellow Bluff, AL

Average visibility in September - Yellow 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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