September weather forecast and climate
Luke, AL

Weather in September

The first month of the autumn, September, is still a warm month in Luke, Alabama, with average temperature varying between 63.9°F (17.7°C) and 84°F (28.9°C).

Temperature

In Luke, the average high-temperature is relatively the same as in August - a warm 84°F (28.9°C). In September, the average low-temperature is 63.9°F (17.7°C).

Heat index

The average heat index in September is evaluated at a hot 91.9°F (33.3°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, differences in body mass, height, and shape, wind, and pregnancy affect individual temperature impact. 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. 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

The average relative humidity in September is 74%.

Rainfall

In Luke, it is raining for 12.9 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Luke, there are 171.3 rainfall days, and 37.83" (961mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Luke.

Daylight

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

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Luke, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
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. 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 Luke?

The average high-temperature, in September, in Luke, Alabama, is 84°F (28.9°C), while the average low-temperature is 63.9°F (17.7°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, is appraised at 91.9°F (33.3°C).

What is the average humidity in September in Luke?

The average relative humidity in September in Luke, Alabama, is 74%.

How much does it rain in Luke in September?

In Luke, in September, it is raining for 12.9 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Luke?

In Luke, Alabama, snow does not fall in April through October.

How many hours of daylight does Luke have in September?

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

How many hours of sunshine does Luke have in September?

In September, the average sunshine is 8.6h.

What is the UV index intensity in September in Luke?

In Luke, Alabama, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Luke, AL

Average temperature in September - Luke, AL
  • Average high temperature in September: 84°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 (49.6°F).

  • Average low temperature in September: 63.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

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Average pressure in September
Luke, AL

Average pressure in September - Luke, AL
  • Average pressure in September: 30.02"

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
Luke, AL

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

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in September
Luke, AL

Average humidity in September - Luke, 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
Luke, AL

Average rainfall in September - Luke, AL
  • Average rainfall in September: 2.36"

The wettest months (with the highest rainfall) are February and December (3.9").
The driest month (with the least rainfall) is October (2.32").

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Average rainfall days in September
Luke, AL

Average rainfall days in September - Luke, AL
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in September
Luke, AL

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

The month with the highest snowfall is December (0.43").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Luke, AL

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

The month with the highest number of snowfall days is February (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
Luke, AL

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

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.6h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in September
Luke, AL

Average sunshine days in September - Luke, AL
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in September
Luke, AL

Average UV index in September - Luke, 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 December (UV index 2).

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Average cloud cover in September
Luke, AL

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Luke, AL

Average visibility in September - Luke, 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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