September weather forecast and climate
Fourmile, AL

Weather in September

The first month of the autumn, September, is also a moderately hot month in Fourmile, Alabama, with average temperature fluctuating between 65.7°F (18.7°C) and 84.9°F (29.4°C).

Temperature

In Fourmile, Alabama, the average high-temperature is relatively the same as in August - a moderately hot 84.9°F (29.4°C). In September, the average low-temperature is 65.7°F (18.7°C).

Heat index

In September, the average heat index is calculated to a tropical 93.7°F (34.3°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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', 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 (metabolic differences, clothing, differences in body mass, height, and shape), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.

Humidity

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

Rainfall

September is the month with the least rainfall in Fourmile, Alabama. Rain falls for 13.3 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

April through October are months without snowfall in Fourmile.

Daylight

The average length of the day in Fourmile is 12.4h.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Fourmile, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Fourmile?

The average high-temperature, in September, in Fourmile, is 84.9°F (29.4°C), while the average low-temperature is 65.7°F (18.7°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is appraised at 93.7°F (34.3°C).

What is the average humidity in September in Fourmile?

In Fourmile, Alabama, the average relative humidity in September is 73%.

How much does it rain in Fourmile in September?

In Fourmile, in September, it is raining for 13.3 days, with typically 2.05" (52mm) of accumulated precipitation.

What is the driest month in Fourmile?

September is the month with the least rainfall in Fourmile. Rain falls for 13.3 days and accumulates 2.05" (52mm) of precipitation.

When it does not snow in Fourmile?

In Fourmile snow does not fall in April through October.

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

The average length of the day in September in Fourmile, Alabama, is 12.4h.

How many hours of sunshine does Fourmile have in September?

The average sunshine in September in Fourmile is 8.8h.

What is the UV index intensity in September in Fourmile?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Fourmile, AL

Average temperature in September - Fourmile, AL
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in September: 65.7°F

Months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

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Average pressure in September
Fourmile, AL

Average pressure in September - Fourmile, AL
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

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Average wind speed in September
Fourmile, AL

Average wind speed in September - Fourmile, AL
  • Average wind speed in September: 4.8mph

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 (4.3mph).

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Average humidity in September
Fourmile, AL

Average humidity in September - Fourmile, 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 (71%).

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Average rainfall in September
Fourmile, AL

Average rainfall in September - Fourmile, AL
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Fourmile, AL

Average rainfall days in September - Fourmile, AL
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in September
Fourmile, AL

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

The month with the highest snowfall is January (0.59").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Fourmile, AL

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

Months with the highest number of snowfall days are January and February (1 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
Fourmile, AL

Average daylight in September / Average sunshine in September - Fourmile, 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: 10h).

  • Average sunshine in September: 8.8h

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
Fourmile, AL

Average sunshine days in September - Fourmile, AL
  • Average sunshine days in September: 14.6 days

Months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).

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Average UV index in September
Fourmile, AL

Average UV index in September - Fourmile, AL
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Fourmile, AL

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

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

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Average visibility in September
Fourmile, AL

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

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

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