September weather forecast
Turnbull, AL

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Weather in September

The first month of the autumn, September, is still a tropical month in Turnbull, Alabama, with an average temperature fluctuating between 88°F (31.1°C) and 68°F (20°C).

Temperature

Transitioning into September, Turnbull records an average high-temperature of a still hot 88°F (31.1°C), almost identical to August's 91.9°F (33.3°C). The temperature dips to an average of 68°F (20°C) during September nights.

Heat index

The heat index value during September is appraised at a torrid 102.2°F (39°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Turnbull, during September, the rain falls for 17 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 174.1 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:34 pm CDT.

Sunshine

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

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

How hot is it in September?

An average high-temperature, in September, in Turnbull, is 88°F (31.1°C) and the average low-temperature is 68°F (20°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 102.2°F (39°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How many days does it rain in September?

In Turnbull, in September, during 17 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Turnbull have in September?

In Turnbull, the average day length in September is 12h and 21min.

When is the sunrise / sunset in September?

On the first day of September in Turnbull, sunrise is at 6:24 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:34 pm CDT.

How many hours of sunshine does Turnbull have in September?

The average sunshine duration in September is 8.7h.

How high is the UV index in September?

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Turnbull, AL

Average temperature in September - Turnbull, AL
  • Average high temperature in September: 88°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in September: 68°F

The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in September
Turnbull, AL

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

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

Average wind speed in September
Turnbull, AL

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

The windiest months (with the highest average wind speed) are February, March and April (6.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in September
Turnbull, AL

Average humidity in September - Turnbull, AL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Turnbull, AL

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

The wettest month (with the highest rainfall) is August (4.49").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in September
Turnbull, AL

Average rainfall days in September - Turnbull, AL
  • Average rainfall days in September: 17 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in September
Turnbull, AL

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

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Turnbull, AL

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

The months with the highest number of snowfall days are January and February (0.4 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
Turnbull, AL

Average daylight in September / Average sunshine in September - Turnbull, 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 36min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in September
Turnbull, AL

Average sunshine days in September - Turnbull, AL
  • Average sunshine days in September: 11.3 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (5.4 days).

Average UV index in September
Turnbull, AL

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

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

Average cloud cover in September
Turnbull, AL

Average cloud cover in September - Turnbull, AL
  • Average cloud cover in September: 33

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in September
Turnbull, AL

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

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

Turnbull, Alabama, USA

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