September weather forecast
Florence, AL

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The Oneal Bridge crossing over the Tennessee River from the city of Florence to Sheffield City, in Alabama
The Oneal Bridge crossing over the Tennessee River from the city of Florence to Sheffield City, in Alabama

Weather in September

With September comes the onset of autumn and a appreciable drop in temperatures to around 82.8°F (28.2°C). Compared to the intense heat of August, September brings a refreshing coolness, blanketing Florence with a soothing ambiance. The days, although shorter, are filled with ample sunshine, painting the city with vibrant autumnal hues. A noticeable wind pattern change hints at a season transition, a subtle farewell to the summer. With the autumn leaves turning, September in Florence showcases nature's artwork at its finest.

Temperature

September in Florence, Alabama, notes an average high-temperature of a warm 82.8°F (28.2°C), subtly differing from August's 88°F (31.1°C). Throughout September, an average low-temperature of 63.5°F (17.5°C) is expected in Florence.

Heat index

In September, the heat index is evaluated at a hot 89.6°F (32°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

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

Rainfall

In Florence, Alabama, in September, during 14.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, in Florence, there are 178.6 rainfall days, and 41.26" (1048mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Florence.

Daylight

In Florence, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:35 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September in Florence, Alabama, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 in September translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is it in Florence in September?

September temperatures vary between a high-temperature of 82.8°F (28.2°C) and a low-temperature of 63.5°F (17.5°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in September in Florence?

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

How many days does it rain in September in Florence?

In Florence, Alabama, in September, during 14.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Florence?

April through October are months without snowfall.

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

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

What time are sunrise and sunset in September in Florence?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, in Florence, sunrise is at 6:45 am and sunset at 6:35 pm CDT.

How many hours of sunshine does Florence have in September?

In September, the average sunshine duration is 8.9h.

What is the UV index intensity in September in Florence?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from 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
Florence, AL

Average temperature in September - Florence, AL
  • Average high temperature in September: 82.8°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 (47.7°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in September
Florence, AL

Average pressure in September - Florence, 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 (29.97"Hg).

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Average wind speed in September
Florence, AL

Average wind speed in September - Florence, AL
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in September
Florence, AL

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

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Florence, AL

Average rainfall in September - Florence, AL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is November (2.56").

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Average rainfall days in September
Florence, AL

Average rainfall days in September - Florence, AL
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in September
Florence, AL

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

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Florence, AL

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

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in September
Florence, AL

Average sunshine days in September - Florence, AL
  • Average sunshine days in September: 14.2 days

The months with the most sunshine days are October and November (17.6 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in September
Florence, AL

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

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

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Average cloud cover in September
Florence, AL

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

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in September
Florence, AL

Average visibility in September - Florence, 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).

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Florence, Alabama, USA

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