September weather forecast and climate
Gilbertown, AL

Weather in September

September, the first month of the autumn, in Gilbertown, is still a tropical month, with temperature in the range of an average low of 67.1°F (19.5°C) and an average high of 87.8°F (31°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still hot 87.8°F (31°C). The average low-temperature, in September, is 67.1°F (19.5°C).

Heat index

In September, the average heat index is calculated to a torrid 101.8°F (38.8°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, differences in body mass, height, and shape). 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 cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. 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

The average relative humidity in Gilbertown, Alabama, is 74%.

Rainfall

In September, in Gilbertown, Alabama, the rain falls for 12.8 days. Throughout September, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Gilbertown, Alabama, there are 138.6 rainfall days, and 19.33" (491mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Gilbertown.

Daylight

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

Sunshine

In Gilbertown, the average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Gilbertown?

In September, in Gilbertown, Alabama, the average high-temperature is 87.8°F (31°C), and the average low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in September is evaluated at 101.8°F (38.8°C).

What is the average humidity in September in Gilbertown?

In Gilbertown, the average relative humidity in September is 74%.

How much does it rain in Gilbertown in September?

In Gilbertown, in September, it is raining for 12.8 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Gilbertown?

In Gilbertown, Alabama, snow does not fall in April through November.

What is the average length of the day in September in Gilbertown?

The average length of the day in September in Gilbertown, Alabama, is 12.3h.

How many hours of sunshine does Gilbertown have in September?

In September, the average sunshine in Gilbertown is 9.1h.

What is the UV index reading in September in Gilbertown?

The average daily maximum UV index in September in Gilbertown is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Gilbertown, AL

Average temperature in September - Gilbertown, AL
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (55.2°F).

  • Average low temperature in September: 67.1°F

Months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

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Average pressure in September
Gilbertown, AL

Average pressure in September - Gilbertown, AL
  • Average pressure in September: 29.99"

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
Gilbertown, AL

Average wind speed in September - Gilbertown, AL
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Gilbertown, AL

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

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
Gilbertown, AL

Average rainfall in September - Gilbertown, AL
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is November (0.94").

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Average rainfall days in September
Gilbertown, AL

Average rainfall days in September - Gilbertown, AL
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (6.4 days).

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Average snowfall in September
Gilbertown, AL

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

The month with the highest snowfall is January (0.16").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Gilbertown, AL

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

The month with the highest number of snowfall days is January (0.5 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Gilbertown, 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: 9.1h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 4.9h).

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Average sunshine days in September
Gilbertown, AL

Average sunshine days in September - Gilbertown, AL
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in September
Gilbertown, AL

Average UV index in September - Gilbertown, 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
Gilbertown, AL

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).

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Average visibility in September
Gilbertown, AL

Average visibility in September - Gilbertown, AL
  • Average visibility in September: 5mi

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

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