September weather forecast
Swagg, AL

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Weather in September

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

Temperature

At the onset of September, Swagg records an average high-temperature of a moderately hot 84°F (28.9°C), showing little deviation from the preceding month. Swagg experiences a nighttime temperature average of 64°F (17.8°C) during September.

Heat index

In September, the heat index is appraised at a tropical 91.4°F (33°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In Swagg, the average relative humidity in September is 75%.

Rainfall

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

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September in Swagg is 12h and 22min.
On the first day of September, sunrise is at 6:16 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:27 pm CDT.

Sunshine

The average sunshine in September in Swagg is 8.5h.

UV index

The average daily maximum UV index in September in Swagg is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

How hot is September?

An average high-temperature, in September, in Swagg, is 84°F (28.9°C) and the average low-temperature is 64°F (17.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in September?

In Swagg, the average relative humidity in September is 75%.

How many days does it rain in September?

In Swagg, in September, during 13.7 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall in Swagg.

How many hours of daylight does Swagg have in September?

The average day length in September in Swagg, Alabama, is 12h and 22min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:27 pm CDT.

How long on average sun shines in September in Swagg?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September?

In Swagg, Alabama, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in September
Swagg, AL

Average pressure in September - Swagg, AL
  • Average pressure in September: 30.01"Hg

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

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).

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%).

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").

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).

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").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Swagg, AL

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

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Swagg, AL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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).

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).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Swagg, AL

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

The 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).

Average visibility in September
Swagg, AL

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

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

Swagg, Alabama, USA

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