September weather forecast and climate
Sweet Water, AL

Weather in September

September, the first month of the autumn, in Sweet Water, is still a tropical month, with average temperature ranging between min 67.3°F (19.6°C) and max 88.7°F (31.5°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a still hot 88.7°F (31.5°C). The average low-temperature, in Sweet Water, is 67.3°F (19.6°C).

Heat index

In September, the average heat index is calculated to a torrid 104°F (40°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 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, clothing, wind, 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. 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.
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. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In September, the average relative humidity in Sweet Water is 73%.

Rainfall

In Sweet Water, Alabama, during September, the rain falls for 12.3 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Sweet Water, during the entire year, the rain falls for 158.7 days and collects up to 33.23" (844mm) of precipitation.

Snowfall

In Sweet Water snow does not fall in April through October.

Daylight

In September, the average length of the day is 12.3h.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Sweet Water, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 Sweet Water?

In September, in Sweet Water, Alabama, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, in September is appraised at 104°F (40°C).

What is the average humidity in September in Sweet Water?

In Sweet Water, the average relative humidity in September is 73%.

How many days does it rain in September in Sweet Water?

In Sweet Water, Alabama, during September, the rain falls for 12.3 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Sweet Water?

April through October are months without snowfall in Sweet Water, Alabama.

What is the average length of the day in September in Sweet Water?

The average length of the day in September in Sweet Water is 12.3h.

How many hours of sunshine does Sweet Water have in September?

The average sunshine in September in Sweet Water, Alabama, is 8.7h.

How high is the UV index in September in Sweet Water?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Sweet Water, AL

Average temperature in September - Sweet Water, AL
  • Average high temperature in September: 88.7°F

The warmest months (with the highest average high temperature) are July and August (92.8°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in September: 67.3°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).

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Average pressure in September
Sweet Water, AL

Average pressure in September - Sweet Water, AL
  • Average pressure in September: 29.98"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in September
Sweet Water, AL

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

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Sweet Water, AL

Average humidity in September - Sweet Water, AL
  • Average humidity in September: 73%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Sweet Water, AL

Average rainfall in September - Sweet Water, AL
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (1.85").

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Average rainfall days in September
Sweet Water, AL

Average rainfall days in September - Sweet Water, AL
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in September
Sweet Water, AL

Average snowfall in September - Sweet Water, AL
  • Average snowfall in September: 0"

Months with the highest snowfall are January and December (0.35").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Sweet Water, AL

Average snowfall days in September - Sweet Water, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 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
Sweet Water, AL

Average daylight in September / Average sunshine in September - Sweet Water, AL
  • Average daylight in September: 12.3h

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: 8.7h

The month with the most sunshine is June (Average sunshine: 10.3h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

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Average sunshine days in September
Sweet Water, AL

Average sunshine days in September - Sweet Water, AL
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (9.1 days).

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Average UV index in September
Sweet Water, AL

Average UV index in September - Sweet Water, AL
  • Average UV index in September: 5

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).

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Average cloud cover in September
Sweet Water, AL

Average cloud cover in September - Sweet Water, AL
  • Average cloud cover in September: 34

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 33).

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Average visibility in September
Sweet Water, AL

Average visibility in September - Sweet Water, AL
  • Average visibility in September: 5mi

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

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