September weather forecast
Destin, FL

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A beautiful beach city of Destin, Florida
A beautiful beach city of Destin, Florida

Weather in September

September in Destin represents the transition from summer to fall. While the weather remains warm, a subtle fall in temperatures begins to reflect the change in seasons. However, the sea remains remarkably warm, maintaining the favorability of water activities. Interestingly, rainfall dips to 3.07" (78mm), marking a significant decrease from the summer months. Despite the decrease, still accounting for wet days, it paves the way for the drier upcoming months.

Temperature

The advent of September signifies a minor shift to an average high-temperature of a moderately hot 85.8°F (29.9°C), aligning closely with August. Destin, during the month of September, experiences an average low-temperature of 74.7°F (23.7°C).

Heat index

During September, the heat index is estimated at a torrid 96.8°F (36°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In September, the average relative humidity in Destin is 73%.

Rainfall

In September, the rain falls for 18.5 days. Throughout September, 3.07" (78mm) of precipitation is accumulated. In Destin, during the entire year, the rain falls for 169.5 days and collects up to 36.77" (934mm) of precipitation.

Snowfall

In Destin, snow does not fall in February through December.

Ocean temperature

In Destin, the average seawater temperature in September is 83.1°F (28.4°C).
Note: For water activities like swimming, diving, and more, temperatures ranging between 77°F (25°C) and 84.2°F (29°C) offer superior comfort and enjoyment for lengthy durations.

Daylight

In Destin, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:23 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:32 pm CDT.

Sunshine

In September, the average sunshine in Destin, Florida, is 9.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heed this! UV intensity is much stronger when reflected off sand and water.
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Frequently asked questions

How hot is it in Destin in September?

In September, the average high-temperature and low-temperature in Destin, Florida, are 85.8°F (29.9°C) and 74.7°F (23.7°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 96.8°F (36°C).

What is the average humidity in September in Destin?

The average relative humidity in September in Destin, Florida, is 73%.

How many days does it rain in September in Destin?

In Destin, in September, it is raining for 18.5 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow in Destin?

In Destin, Florida, snow does not fall in February through December.

What is the water temperature in September in Destin?

In Destin, in September, the average water temperature is 83.1°F (28.4°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Destin have in September?

In September, the average day length in Destin, Florida, is 12h and 20min.

When is the sunrise / sunset in September in Destin?

On the first day of September in Destin, Florida, sunrise is at 6:23 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:32 pm CDT.

How many hours of sunshine does Destin have in September?

The average sunshine duration in September in Destin, Florida, is 9.4h.

What is the UV index reading in September in Destin?

In Destin, the average daily maximum UV index in September 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
Destin, FL

Average temperature in September - Destin, FL
  • Average high temperature in September: 85.8°F

The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is January (59.7°F).

  • Average low temperature in September: 74.7°F

The month with the highest average low temperature is August (79.2°F).
The coldest month (with the lowest average low temperature) is January (48°F).

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Average pressure in September
Destin, FL

Average pressure in September - Destin, FL
  • Average pressure in September: 29.98"Hg

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

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Average wind speed in September
Destin, FL

Average wind speed in September - Destin, FL
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in September
Destin, FL

Average humidity in September - Destin, FL
  • Average humidity in September: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
Destin, FL

Average rainfall in September - Destin, FL
  • Average rainfall in September: 3.07"

The wettest month (with the highest rainfall) is August (5.55").
The driest month (with the least rainfall) is May (1.57").

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Average rainfall days in September
Destin, FL

Average rainfall days in September - Destin, FL
  • Average rainfall days in September: 18.5 days

The month with the highest number of rainy days is August (24.5 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in September
Destin, FL

Average snowfall in September - Destin, FL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Destin, FL

Average snowfall days in September - Destin, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in September
Destin, FL

Average sea temperature in September - Destin, FL
  • Average sea temperature in September: 83.1°F

The best month for swimming (with the highest average sea temperature) is August (86.2°F).
The coldest month (with the lowest average sea temperature) is February (62.2°F).

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Average daylight in September /
Average sunshine in September
Destin, FL

Average daylight in September / Average sunshine in September - Destin, FL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The months with the least sunshine are February and December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Destin, FL

Average sunshine days in September - Destin, FL
  • Average sunshine days in September: 8.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (4.3 days).

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Average UV index in September
Destin, FL

Average UV index in September - Destin, FL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).

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Average cloud cover in September
Destin, FL

Average cloud cover in September - Destin, FL
  • Average cloud cover in September: 25

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 22).

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Average visibility in September
Destin, FL

Average visibility in September - Destin, FL
  • 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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Destin, Florida, USA

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