Measurements:
°C
°F
Fort Walton Beach
88°F
SW 5 mph
Feels like: 94°F
Precip: 3%
World Resorts USA Fort Walton Beach Weather

7 Day Weather Forecast

09.15
tue
DAY
98°F
W 6 mph
precip
1%
NIGHT
84°F
W 4 mph
precip
7%
09.16
wed
DAY
94°F
W 10 mph
precip
1%
NIGHT
82°F
W 4 mph
precip
3%
09.17
thu
DAY
90°F
SW 12 mph
precip
9%
NIGHT
82°F
W 4 mph
precip
12%
09.18
fri
DAY
90°F
W 6 mph
precip
7%
NIGHT
80°F
NE 2 mph
precip
10%
09.19
sat
DAY
94°F
NW 7 mph
precip
1%
NIGHT
78°F
W 6 mph
precip
62%
09.20
sun
DAY
88°F
NW 11 mph
precip
19%
NIGHT
80°F
NW 5 mph
precip
13%
09.21
mon
DAY
90°F
NW 8 mph
precip
14%
NIGHT
80°F
N 4 mph
precip
12%

Fort Walton Beach Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Fort Walton Beach was 30.2°F. The maximum and minimum values were 29.5°F and 30.5°F respectively.

Fort Walton Beach on the Weather Map

Best Time to Visit Fort Walton Beach
The most sunny months:
October 21 days
November 16 days
September 15 days
The most warm months:
July 92.8 °F
August 92.2 °F
June 90.4 °F
Warmest sea temperature:
August 90.2 °F
July 89.3 °F
September 87.8 °F
The most cold months:
January 59.1 °F
December 63.4 °F
February 64.3 °F
The most rainy months:
July 6 days
March 3 days
August 3 days
The most windy months:
January 10 mph
February 9 mph
March 9 mph