September weather forecast
Arlington, AL

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Weather in September

September, the first month of the autumn in Arlington, is also a hot month, with an average temperature ranging between min 67.5°F (19.7°C) and max 88.3°F (31.3°C).

Temperature

Arlington, Alabama, commences September with an average high-temperature of a still tropical 88.3°F (31.3°C), maintaining a close resemblance to the previous month. In Arlington, in September, the average low-temperature is a refreshing 67.5°F (19.7°C).

Heat index

The heat index for September is appraised at a sweltering 102.2°F (39°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The average relative humidity in September is 73%.

Rainfall

In September, the rain falls for 15.7 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. In Arlington, during the entire year, the rain falls for 171.5 days and collects up to 35.47" (901mm) of precipitation.

Snowfall

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

Daylight

In Arlington, the average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 6:26 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:36 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

How hot is September?

An average high-temperature, in September, in Arlington, is 88.3°F (31.3°C) and the average low-temperature is 67.5°F (19.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 102.2°F (39°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

How many days does it rain in September?

In Arlington, in September, during 15.7 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall in Arlington.

How many hours of daylight does Arlington have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:26 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:36 pm CDT.

How long on average sun shines in September?

In Arlington, the average sunshine duration in September is 8.8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Arlington, AL

Average temperature in September - Arlington, AL
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in September: 67.5°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
Arlington, AL

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

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

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Arlington, AL

Average humidity in September - Arlington, AL
  • Average humidity in September: 73%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Arlington, AL

Average rainfall in September - Arlington, AL
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in September
Arlington, AL

Average rainfall days in September - Arlington, AL
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in September
Arlington, AL

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

The month with the highest snowfall is March (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Arlington, AL

Average snowfall days in September - Arlington, 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
Arlington, AL

Average daylight in September / Average sunshine in September - Arlington, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Arlington, AL

Average sunshine days in September - Arlington, AL
  • Average sunshine days in September: 12.7 days

The months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (6.6 days).

Average UV index in September
Arlington, AL

Average UV index in September - Arlington, 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 and December (UV index 3).

Average cloud cover in September
Arlington, AL

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

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

Average visibility in September
Arlington, AL

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

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

Arlington, Alabama, USA

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