September weather forecast and climate
Swagg, AL

Weather in September

The first month of the autumn, September, is still a warm month in Swagg, Alabama, with average temperature fluctuating between 64°F (17.8°C) and 84°F (28.9°C).

Temperature

In Swagg, the average high-temperature is practically the same as in August - a warm 84°F (28.9°C). In September, in Swagg, the average low-temperature is 64°F (17.8°C).

Heat index

In September, the average heat index is appraised at a tropical 92.1°F (33.4°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. 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', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like clothing, pregnancy, differences in body mass, height, and shape, and activity influence one's weather impression. 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.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Swagg, it is raining for 13.7 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Swagg, there are 174.1 rainfall days, and 38.39" (975mm) of precipitation is accumulated.

Snowfall

In Swagg snow does not fall in April through November.

Daylight

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

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Swagg is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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 Swagg?

In Swagg, Alabama, in September, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that factores the actual air temperature with the relative humidity, in September is estimated at 92.1°F (33.4°C).

What is the average humidity in September in Swagg?

The average relative humidity in September in Swagg is 75%.

How much does it rain in Swagg in September?

In Swagg, during September, the rain falls for 13.7 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Swagg?

April through November are months without snowfall in Swagg.

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

The average length of the day in September in Swagg is 12.4h.

How many hours of sunshine does Swagg have in September?

In Swagg, Alabama, the average sunshine in September is 8.5h.

How high is the UV index in September in Swagg?

In Swagg, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Swagg, AL

Average temperature in September - Swagg, AL
  • Average high temperature in September: 84°F

The warmest month (with the highest average high temperature) is July (88.9°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 (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in September
Swagg, AL

Average pressure in September - Swagg, 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
Swagg, AL

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

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Swagg, AL

Average humidity in September - Swagg, AL
  • Average humidity in September: 75%

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
Swagg, AL

Average rainfall in September - Swagg, AL
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is October (1.89").

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Average rainfall days in September
Swagg, AL

Average rainfall days in September - Swagg, AL
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall in September
Swagg, AL

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

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

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Average snowfall days in September
Swagg, AL

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

Months with the highest number of snowfall days are January and February (1.3 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
Swagg, AL

Average daylight in September / Average sunshine in September - Swagg, 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: 8.5h

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days in September
Swagg, AL

Average sunshine days in September - Swagg, AL
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (7.9 days).

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Average UV index in September
Swagg, AL

Average UV index in September - Swagg, 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
Swagg, AL

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

Months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 31).

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Average visibility in September
Swagg, AL

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

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
Months with the lowest visibility are July and August (5mi).

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