September weather forecast and climate
Selmont, AL

Weather in September

The first month of the autumn, September, is also a hot month in Selmont, Alabama, with average temperature fluctuating between 67.1°F (19.5°C) and 87.6°F (30.9°C).

Temperature

In Selmont, the average high-temperature in September is almost the same as in August - a still tropical 87.6°F (30.9°C). In Selmont, in September, the average low-temperature is 67.1°F (19.5°C).

Heat index

In September, the average heat index is calculated to a very hot 100.2°F (37.9°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. 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', 'feels like', 'real feel', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, differences in body mass, height, and shape). 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 especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Selmont, the average relative humidity is 72%.

Rainfall

September is the month with the least rainfall in Selmont. Rain falls for 12.6 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

In Selmont snow does not fall in April through November.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine in Selmont is 9h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 Selmont?

In September, the average high-temperature is 87.6°F (30.9°C), and the average low-temperature is 67.1°F (19.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, is evaluated at 100.2°F (37.9°C).

What is the average humidity in September in Selmont?

In September, the average relative humidity in Selmont, Alabama, is 72%.

How much does it rain in Selmont in September?

In Selmont, Alabama, in September, during 12.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

What is the driest month in Selmont?

September is the month with the least rainfall in Selmont. Rain falls for 12.6 days and accumulates 1.93" (49mm) of precipitation.

When it does not snow in Selmont?

April through November are months without snowfall in Selmont, Alabama.

What is the average length of the day in September in Selmont?

In September, the average length of the day in Selmont, Alabama, is 12.4h.

How many hours of sunshine does Selmont have in September?

In September, the average sunshine is 9h.

What is the UV index intensity in September in Selmont?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Selmont, AL

Average temperature in September - Selmont, AL
  • Average high temperature in September: 87.6°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in September: 67.1°F

Months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure in September
Selmont, AL

Average pressure in September - Selmont, 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
Selmont, AL

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

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in September
Selmont, AL

Average humidity in September - Selmont, 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 (69%).

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Average rainfall in September
Selmont, AL

Average rainfall in September - Selmont, AL
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in September
Selmont, AL

Average rainfall days in September - Selmont, AL
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in September
Selmont, AL

Average snowfall in September - Selmont, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.35").
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
Selmont, AL

Average snowfall days in September - Selmont, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 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
Selmont, AL

Average daylight in September / Average sunshine in September - Selmont, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 9h

The month with the most sunshine is June (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days in September
Selmont, AL

Average sunshine days in September - Selmont, AL
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (8 days).

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Average UV index in September
Selmont, AL

Average UV index in September - Selmont, 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
Selmont, AL

Average cloud cover in September - Selmont, AL
  • Average cloud cover in September: 30

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are September and October (Cloud cover 30).

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Average visibility in September
Selmont, AL

Average visibility in September - Selmont, AL
  • Average visibility in September: 6mi

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

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