September weather forecast and climate
Whitney, AL

Weather in September

The first month of the autumn, September, is also a moderately hot month in Whitney, Alabama, with average temperature ranging between min 63.9°F (17.7°C) and max 83.7°F (28.7°C).

Temperature

In Whitney, the average high-temperature in September is practically the same as in August - a warm 83.7°F (28.7°C). In September, in Whitney, the average low-temperature is 63.9°F (17.7°C).

Heat index

The average heat index is appraised at a tropical 91°F (32.8°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', 'felt air temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, clothing), and activity. 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. 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

In September, the average relative humidity in Whitney, Alabama, is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

April through October are months without snowfall in Whitney.

Daylight

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

Sunshine

The average sunshine in Whitney is 8.7h.

UV index

In Whitney, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for average 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 Whitney?

In Whitney, in September, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 63.9°F (17.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, in September is evaluated at 91°F (32.8°C).

What is the average humidity in September in Whitney?

In Whitney, the average relative humidity in September is 74%.

How much does it rain in Whitney in September?

In Whitney, during September, the rain falls for 12.4 days and regularly aggregates up to 1.3" (33mm) of precipitation.

What is the driest month in Whitney?

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.3" (33mm) of precipitation.

When it does not snow in Whitney?

April through October are months without snowfall in Whitney.

How many hours of daylight does Whitney have in September?

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

How many hours of sunshine does Whitney have in September?

In September, the average sunshine in Whitney is 8.7h.

What is the UV index intensity in September in Whitney?

In September, the average daily maximum UV index in Whitney 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
Whitney, AL

Average temperature in September - Whitney, AL
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (49.8°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 (34.3°F).

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Average pressure in September
Whitney, AL

Average pressure in September - Whitney, 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
Whitney, AL

Average wind speed in September - Whitney, AL
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Whitney, AL

Average humidity in September - Whitney, 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 (73%).

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Average rainfall in September
Whitney, AL

Average rainfall in September - Whitney, AL
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in September
Whitney, AL

Average rainfall days in September - Whitney, AL
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in September
Whitney, AL

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

The month with the highest snowfall is January (0.55").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Whitney, AL

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

The month with the highest number of snowfall days is February (1.3 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
Whitney, AL

Average daylight in September / Average sunshine in September - Whitney, 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: 8.7h

The month with the most sunshine is 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
Whitney, AL

Average sunshine days in September - Whitney, AL
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in September
Whitney, AL

Average UV index in September - Whitney, 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
Whitney, AL

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

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in September
Whitney, AL

Average visibility in September - Whitney, 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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