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September weather forecast in Fort Walton Beach

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

31 August, sun

	758 mmHg		82%
	4.5 m/s		+29

31 August, Sunday. day, 30°; night, 24°; rain

1 September, mon

	758 mmHg		82%
	4.1 m/s		+29

1 September, Monday. day, 30°; night, 24°; rain

2 September, tue

	758 mmHg		81%
	4.19 m/s		+29

2 September, Tuesday. day, 30°; night, 24°; rain

3 September, wed

	758 mmHg		80%
	4.1 m/s		+29

3 September, Wednesday. day, 30°; night, 24°; rain

4 September, thu

	758 mmHg		80%
	3.8 m/s		+29

4 September, Thursday. day, 30°; night, 24°; rain

5 September, fri

	758 mmHg		79%
	4.3 m/s		+29

5 September, Friday. day, 30°; night, 24°; rain

6 September, sat

	758 mmHg		78%
	4.4 m/s		+29

6 September, Saturday. day, 30°; night, 23°; rain

7 September, sun

	758 mmHg		79%
	4 m/s		+29

7 September, Sunday. day, 29°; night, 23°; rain

8 September, mon

	758 mmHg		79%
	3.5 m/s		+29

8 September, Monday. day, 30°; night, 23°; partly cloudy

9 September, tue

	758 mmHg		79%
	3.7 m/s		+29

9 September, Tuesday. day, 30°; night, 22°; clear

10 September, wed

	758 mmHg		78%
	4 m/s		+29

10 September, Wednesday. day, 30°; night, 23°; clear

11 September, thu

	759 mmHg		80%
	4.3 m/s		+29

11 September, Thursday. day, 29°; night, 22°; rain

12 September, fri

	758 mmHg		80%
	4.6 m/s		+29

12 September, Friday. day, 30°; night, 23°; rain

13 September, sat

	758 mmHg		78%
	4.1 m/s		+29

13 September, Saturday. day, 30°; night, 22°; partly cloudy

14 September, sun

	758 mmHg		77%
	4.5 m/s		+29

14 September, Sunday. day, 30°; night, 22°; clear

15 September, mon

	758 mmHg		78%
	4.8 m/s		+29

15 September, Monday. day, 30°; night, 23°; rain

16 September, tue

	758 mmHg		77%
	5.1 m/s		+29

16 September, Tuesday. day, 29°; night, 23°; partly cloudy

17 September, wed

	758 mmHg		78%
	4.3 m/s		+29

17 September, Wednesday. day, 30°; night, 22°; clear

18 September, thu

	758 mmHg		77%
	3.9 m/s		+29

18 September, Thursday. day, 30°; night, 22°; clear

19 September, fri

	758 mmHg		77%
	4 m/s		+29

19 September, Friday. day, 29°; night, 22°; clear

20 September, sat

	759 mmHg		77%
	4.19 m/s		+29

20 September, Saturday. day, 29°; night, 22°; clear

21 September, sun

	758 mmHg		79%
	4.3 m/s		+29

21 September, Sunday. day, 29°; night, 22°; rain

22 September, mon

	758 mmHg		79%
	4.5 m/s		+29

22 September, Monday. day, 29°; night, 22°; rain

23 September, tue

	759 mmHg		76%
	4.4 m/s		+29

23 September, Tuesday. day, 29°; night, 21°; clear

24 September, wed

	759 mmHg		77%
	4.3 m/s		+29

24 September, Wednesday. day, 29°; night, 22°; clear

25 September, thu

	758 mmHg		78%
	4.19 m/s		+28

25 September, Thursday. day, 29°; night, 21°; clear

26 September, fri

	757 mmHg		79%
	4.6 m/s		+28

26 September, Friday. day, 28°; night, 21°; rain

27 September, sat

	757 mmHg		78%
	4.6 m/s		+28

27 September, Saturday. day, 28°; night, 21°; clear

28 September, sun

	758 mmHg		77%
	4.8 m/s		+28

28 September, Sunday. day, 28°; night, 21°; clear

29 September, mon

	758 mmHg		74%
	4.6 m/s		+28

29 September, Monday. day, 28°; night, 20°; clear

30 September, tue

	758 mmHg		73%
	4.19 m/s		+28

30 September, Tuesday. day, 28°; night, 19°; clear

1 October, wed

	759 mmHg		72%
	4.5 m/s		+28

1 October, Wednesday. day, 28°; night, 19°; clear

2 October, thu

	759 mmHg		72%
	4.19 m/s		+28

2 October, Thursday. day, 28°; night, 19°; clear

3 October, fri

	759 mmHg		75%
	4.5 m/s		+28

3 October, Friday. day, 28°; night, 20°; rain

4 October, sat

	759 mmHg		76%
	5.1 m/s		+27

4 October, Saturday. day, 28°; night, 20°; overcast

Average data for 10 years

Fort Walton Beach September

14

sunny days

13

days with precipitation

6

cloudy days

14 sunny days; 13 days with precipitation; 6 cloudy days;

78

%

air humidity

2.9

m/s

WindSE

135

mm of precipitation

(10% of annual average)

+29

°C

Water temperature

air humidity 78%; 135 millimeters of precipitation (10% of annual average); Wind south-easterly 2.9 Meters per second; Water temperature +29°

Weather graphs for September

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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SE

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S

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SE

SE

SE

SE

SE

SE

SE

SE

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S

SE

SE

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SE

SE

SE

SE

SE

SE

S

SE

S

1

Average data for 10 years

2

3

4

5

6

7

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9

10

11

12

13

14

15

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18

19

20

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29

30

Daytime temperature

Night-time temperature

Cities near you

New Orleans
Pensacola
Panama City
Andalusia
Navarre
Destin
Mobile
Birmingham
Orange Beach

Cities with similar weather in September

Alanya
Phuket
Side
Belek
Ayia Napa
Larnaca
Tel Aviv
Protaras
Male

The weather forecast for September 2025 is based on historical data from the past 10 years.

In September, the weather in Fort Walton Beach is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Fort Walton Beach has 14 sunny, 13 rainy, and 3 partly cloudy days in September. The rains are usually heavy.

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