September weather forecast and climate
McGehees, AL

Weather in September

September, the first month of the autumn, in McGehees, is still a hot month, with average temperature fluctuating between 67.5°F (19.7°C) and 87.1°F (30.6°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still tropical 87.1°F (30.6°C). The average low-temperature, in McGehees, is 67.5°F (19.7°C).

Heat index

In September, the average heat index is appraised at a sweltering 98.8°F (37.1°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', 'real feel', 'feels like', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, wind, pregnancy, and differences in body mass, height, and shape affect individual temperature impact. 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 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

The average relative humidity is 72%.

Rainfall

In McGehees, during September, the rain falls for 14.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. In McGehees, during the entire year, the rain falls for 156.3 days and collects up to 26.34" (669mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine in McGehees is 8.8h.

UV index

In McGehees, Alabama, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. 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.
[Resources]

FAQ

What is the temperature in September in McGehees?

In McGehees, in September, the average high-temperature is 87.1°F (30.6°C), and the average low-temperature is 67.5°F (19.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, is estimated at 98.8°F (37.1°C).

What is the average humidity in September in McGehees?

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

How much does it rain in McGehees in September?

In September, in McGehees, the rain falls for 14.4 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

When it does not snow in McGehees?

April through November are months without snowfall in McGehees.

How many hours of daylight does McGehees have in September?

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

How long on average sun shines in September in McGehees?

The average sunshine in September is 8.8h.

What is the UV index reading in September in McGehees?

In September, the average daily maximum UV index in McGehees is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
McGehees, AL

Average temperature in September - McGehees, AL
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (55°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 (38.7°F).

[Resources]

Average pressure in September
McGehees, AL

Average pressure in September - McGehees, AL
  • Average pressure in September: 29.99"

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

[Resources]

Average wind speed in September
McGehees, AL

Average wind speed in September - McGehees, AL
  • Average wind speed in September: 5.4mph

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).

[Resources]

Average humidity in September
McGehees, AL

Average humidity in September - McGehees, AL
  • Average humidity in September: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

[Resources]

Average rainfall in September
McGehees, AL

Average rainfall in September - McGehees, AL
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is August (2.91").
The driest month (with the least rainfall) is November (1.5").

[Resources]

Average rainfall days in September
McGehees, AL

Average rainfall days in September - McGehees, AL
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (6.9 days).

[Resources]

Average snowfall in September
McGehees, AL

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

The month with the highest snowfall is January (0.28").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
McGehees, AL

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

The month with the highest number of snowfall days is January (0.5 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
McGehees, AL

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

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: 10.8h).
Months with the least sunshine are February and December (Average sunshine: 5.1).

[Resources]

Average sunshine days in September
McGehees, AL

Average sunshine days in September - McGehees, AL
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (7.4 days).

[Resources]

Average UV index in September
McGehees, AL

Average UV index in September - McGehees, 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).

[Resources]

Average cloud cover in September
McGehees, AL

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

Months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 29).

[Resources]

Average visibility in September
McGehees, AL

Average visibility in September - McGehees, 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).

[Resources]