September weather forecast
Stones, AL

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Weather in September

The first month of the autumn, September, is also a hot month in Stones, Alabama, with an average temperature varying between 67.5°F (19.7°C) and 87.1°F (30.6°C).

Temperature

The introduction of September notes a subtle temperature variation to a still hot 87.1°F (30.6°C) from August's 90.9°F (32.7°C). Throughout September, a steady low-temperature average of 67.5°F (19.7°C) is noted.

Heat index

September's heat index is computed to be a fiery hot 98.6°F (37°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Heat index details are generally centered around shaded locations and a mild breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In September, the average relative humidity is 72%.

Rainfall

In September, the rain falls for 14.4 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. In Stones, during the entire year, the rain falls for 156.3 days and collects up to 26.34" (669mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:31 pm CDT.

Sunshine

In Stones, Alabama, the average sunshine in September is 8.8h.

UV index

In Stones, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

How hot is it in September?

In Stones, 87.1°F (30.6°C) is the average high-temperature and 67.5°F (19.7°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 98.6°F (37°C).

What is the average humidity in September?

In Stones, the average relative humidity in September is 72%.

How many days does it rain in September?

In Stones, in September, it is raining for 14.4 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Stones have in September?

In Stones, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Stones have in September?

In Stones, 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 estimate of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Stones, AL

Average temperature in September - Stones, AL
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (55°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 (38.7°F).

Average pressure in September
Stones, AL

Average pressure in September - Stones, AL
  • Average pressure in September: 29.99"Hg

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

Average wind speed in September
Stones, AL

Average wind speed in September - Stones, AL
  • Average wind speed in September: 5.4mph

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).

Average humidity in September
Stones, AL

Average humidity in September - Stones, AL
  • Average humidity in September: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Stones, AL

Average rainfall in September - Stones, AL
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is August (2.91").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in September
Stones, AL

Average rainfall days in September - Stones, AL
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (6.9 days).

Average snowfall in September
Stones, AL

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

The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Stones, AL

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

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

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

Average daylight in September / Average sunshine in September - Stones, 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 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in September
Stones, AL

Average sunshine days in September - Stones, AL
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (7.4 days).

Average UV index in September
Stones, AL

Average UV index in September - Stones, 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
Stones, AL

Average cloud cover in September - Stones, AL
  • Average cloud cover in September: 30

The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Stones, AL

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

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

Stones, Alabama, USA

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