September weather forecast
Prattville, AL

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Weather in September

In September, Prattville, Alabama, the city witnesses cooler weather as the summer heat begins to recede, setting in the initial notes of autumn. The city receives the lowest average rainfall in September, around 2.32" (59mm), causing a relatively dry environment. Moving towards October, the weather sees further cooling, lower daylight and sunshine hours, and a slight surge in rainfall and cloud cover percentage.

Temperature

As August transitions into September, Prattville records an average high-temperature of a still hot 86.9°F (30.5°C), showing a gentle shift from the preceding month. In September, Prattville experiences an average nighttime temperature of 67.1°F (19.5°C).

Heat index

September's mean heat index is computed to be a torrid 98.6°F (37°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In September, the average relative humidity is 72%.

Rainfall

In Prattville, during September, the rain falls for 14.3 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Prattville, during the entire year, the rain falls for 168.8 days and collects up to 38.74" (984mm) of precipitation.

Snowfall

In Prattville, snow does not fall in April through November.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:31 pm CDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September in Prattville is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a regular UV index of 6 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The average high-temperature and low-temperature in Prattville during September are 86.9°F (30.5°C) and 67.1°F (19.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is computed to be 98.6°F (37°C).

What is the average humidity in September?

In September, the average relative humidity is 72%.

How many days does it rain in September?

In Prattville, in September, during 14.3 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Prattville?

April through November are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Prattville have in September?

The average sunshine duration in September is 8.7h.

What is the UV index intensity in September?

In Prattville, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Prattville, AL

Average temperature in September - Prattville, AL
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

Average pressure in September
Prattville, AL

Average pressure in September - Prattville, AL
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Prattville, AL

Average wind speed in September - Prattville, AL
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in September
Prattville, AL

Average humidity in September - Prattville, AL
  • Average humidity in September: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Prattville, AL

Average rainfall in September - Prattville, AL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in September
Prattville, AL

Average rainfall days in September - Prattville, AL
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in September
Prattville, AL

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

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Prattville, AL

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

The month with the highest number of snowfall days is January (0.6 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
Prattville, AL

Average daylight in September / Average sunshine in September - Prattville, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Prattville, AL

Average sunshine days in September - Prattville, AL
  • Average sunshine days in September: 13.4 days

The months with the most sunshine days are October and November (20.2 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in September
Prattville, AL

Average UV index in September - Prattville, AL
  • Average UV index in September: 6

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

Average cloud cover in September
Prattville, AL

Average cloud cover in September - Prattville, AL
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in September
Prattville, AL

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

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

Prattville, Alabama, USA

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