September weather forecast and climate
Sterrett, AL

Weather in September

The first month of the autumn, September, is still a warm month in Sterrett, Alabama, with average temperature ranging between max 84.7°F (29.3°C) and min 65.1°F (18.4°C).

Temperature

In September, the average high-temperature is practically the same as in August - a warm 84.7°F (29.3°C). In September, the average low-temperature is 65.1°F (18.4°C).

Heat index

In September, the average heat index is evaluated at a hot 93.6°F (34.2°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. 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', 'feels like', 'felt air temperature', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, clothing, wind). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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 Sterrett, the average relative humidity in September is 74%.

Rainfall

In Sterrett, during September, the rain falls for 14 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Sterrett, during the entire year, the rain falls for 177.1 days and collects up to 41.06" (1043mm) of precipitation.

Snowfall

April through October are months without snowfall in Sterrett, Alabama.

Daylight

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

Sunshine

The average sunshine in Sterrett is 8.7h.

UV index

In September, the average daily maximum UV index in Sterrett is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected 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 sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Sterrett?

In September, in Sterrett, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 65.1°F (18.4°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that factores the actual air temperature with the relative humidity, is calculated to 93.6°F (34.2°C).

What is the average humidity in September in Sterrett?

In September, the average relative humidity is 74%.

How many days does it rain in September in Sterrett?

In September, in Sterrett, the rain falls for 14 days. Throughout September, 2.52" (64mm) of precipitation is accumulated.

When it does not snow in Sterrett?

April through October are months without snowfall in Sterrett, Alabama.

How many hours of daylight does Sterrett have in September?

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

How long on average sun shines in September in Sterrett?

In Sterrett, Alabama, the average sunshine in September is 8.7h.

What is the UV index reading in September in Sterrett?

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

Average temperature in September
Sterrett, AL

Average temperature in September - Sterrett, AL
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in September
Sterrett, AL

Average pressure in September - Sterrett, 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
Sterrett, AL

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

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in September
Sterrett, AL

Average humidity in September - Sterrett, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Sterrett, AL

Average rainfall in September - Sterrett, AL
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is October (2.28").

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Average rainfall days in September
Sterrett, AL

Average rainfall days in September - Sterrett, AL
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in September
Sterrett, AL

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

The month with the highest snowfall is January (0.83").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Sterrett, AL

Average snowfall days in September - Sterrett, 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
Sterrett, AL

Average daylight in September / Average sunshine in September - Sterrett, 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: 8.7h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Sterrett, AL

Average sunshine days in September - Sterrett, AL
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (6.9 days).

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Average UV index in September
Sterrett, AL

Average UV index in September - Sterrett, AL
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in September
Sterrett, AL

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

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are June, September and October (Cloud cover 31).

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Average visibility in September
Sterrett, AL

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

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

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