September weather forecast
Sweet Water, AL

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Weather in September

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

Temperature

The start of September marks an average high-temperature of a still hot 88.7°F (31.5°C), hardly distinguishable from the conditions in August. The low-temperature average for Sweet Water during September stands at an enjoyable 67.3°F (19.6°C).

Heat index

September's mean heat index is evaluated at a scorching 104°F (40°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

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

Rainfall

In Sweet Water, in September, it is raining for 12.3 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 33.23" (844mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 21min.
On the first day of September in Sweet Water, sunrise is at 6:27 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:37 pm CDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In Sweet Water, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 in September translates into these instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The high-temperature, in September, in Sweet Water, is 88.7°F (31.5°C), while the low-temperature averages to 67.3°F (19.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 104°F (40°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

How much does it rain in Sweet Water in September?

In September, in Sweet Water, the rain falls for 12.3 days. Throughout September, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

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

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

The average day length in September is 12h and 21min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:27 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:37 pm CDT.

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

In September, the average sunshine duration is 8.7h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
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).

Average pressure in September
Sweet Water, AL

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

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

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).

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%).

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").

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).

Average snowfall in September
Sweet Water, AL

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

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

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).
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
Sweet Water, AL

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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).

Average UV index in September
Sweet Water, AL

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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).

Average visibility in September
Sweet Water, AL

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

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

Sweet Water, Alabama, USA

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