September weather forecast
Arab, AL

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Weather in September

The first month of the autumn, September, is still a warm month in Arab, Alabama, with an average temperature ranging between min 63.1°F (17.3°C) and max 83.1°F (28.4°C).

Temperature

Arab records an average high-temperature of a warm 83.1°F (28.4°C) in September, closely mirroring the climate of the previous month. September nights experience a consistent temperature drop to a refreshing 63.1°F (17.3°C).

Heat index

Throughout September, the heat index is computed to be a hot 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. 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 highly critical for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In Arab, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.32" (59mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

Sunshine

In Arab, the average sunshine in September is 8.6h.

UV index

In Arab, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

How hot is it in September?

In Arab, 83.1°F (28.4°C) is the average high-temperature and 63.1°F (17.3°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.32" (59mm) of precipitation.

How many days does it rain in September?

In Arab, in September, it is raining for 13.6 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Arab have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Arab have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index intensity in September?

In Arab, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Arab, AL

Average temperature in September - Arab, AL
  • Average high temperature in September: 83.1°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.4°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in September
Arab, AL

Average pressure in September - Arab, AL
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Arab, AL

Average wind speed in September - Arab, AL
  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Arab, AL

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

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Arab, AL

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

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in September
Arab, AL

Average rainfall days in September - Arab, AL
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
Arab, AL

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

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

Average snowfall days in September
Arab, AL

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

The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Arab, AL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Arab, AL

Average sunshine days in September - Arab, AL
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in September
Arab, AL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Arab, AL

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

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).

Average visibility in September
Arab, AL

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

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

Arab, Alabama, USA

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