September weather forecast and climate
McElderry, AL

Weather in September

September, the first month of the autumn, in McElderry, is also a moderately hot month, with average temperature varying between 84.6°F (29.2°C) and 64°F (17.8°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a warm 84.6°F (29.2°C). The average low-temperature, in McElderry, Alabama, is 64°F (17.8°C).

Heat index

In September, the average heat index is appraised at a tropical 93.2°F (34°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 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, metabolic differences). 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. 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.

Humidity

The average relative humidity is 74%.

Rainfall

In McElderry, in September, it is raining for 14 days, with typically 2.48" (63mm) of accumulated precipitation. In McElderry, during the entire year, the rain falls for 176.1 days and collects up to 38.11" (968mm) of precipitation.

Snowfall

In McElderry snow does not fall in March through November.

Daylight

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

Sunshine

In McElderry, Alabama, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in McElderry, Alabama, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 McElderry?

In McElderry, Alabama, in September, the average high-temperature is 84.6°F (29.2°C), and the average low-temperature is 64°F (17.8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines both air temperature and relative humidity, is evaluated at 93.2°F (34°C).

What is the average humidity in September in McElderry?

The average relative humidity in September is 74%.

How many days does it rain in September in McElderry?

In McElderry, Alabama, during September, the rain falls for 14 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in McElderry?

March through November are months without snowfall in McElderry.

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

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

How long on average sun shines in September in McElderry?

The average sunshine in September is 8.6h.

What is the UV index intensity in September in McElderry?

The average daily maximum UV index in September in McElderry is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
McElderry, AL

Average temperature in September - McElderry, AL
  • Average high temperature in September: 84.6°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is August (69.8°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

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Average pressure in September
McElderry, AL

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

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

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Average wind speed in September
McElderry, AL

Average wind speed in September - McElderry, AL
  • Average wind speed in September: 4.6mph

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 (4.2mph).

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Average humidity in September
McElderry, AL

Average humidity in September - McElderry, 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
McElderry, AL

Average rainfall in September - McElderry, AL
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (2.13").

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Average rainfall days in September
McElderry, AL

Average rainfall days in September - McElderry, AL
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (8.6 days).

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Average snowfall in September
McElderry, AL

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

The month with the highest snowfall is January (0.87").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
McElderry, AL

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

The month with the highest number of snowfall days is January (1.4 days).
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
McElderry, AL

Average daylight in September / Average sunshine in September - McElderry, 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: 8.6h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
McElderry, AL

Average sunshine days in September - McElderry, AL
  • Average sunshine days in September: 13.3 days

Months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is July (7.3 days).

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Average UV index in September
McElderry, AL

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

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
McElderry, AL

Average cloud cover in September - McElderry, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are June, September and October (Cloud cover 31).

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Average visibility in September
McElderry, AL

Average visibility in September - McElderry, 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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