Measurements:
°C
°F
Dauphin Island
86°F
S 9 mph
Feels like: 94°F
Precip: 15%
World Resorts USA Dauphin Island Weather

7 Day Weather Forecast

09.15
tue
DAY
88°F
W 5 mph
precip
5%
NIGHT
90°F
NW 6 mph
precip
7%
09.16
wed
DAY
88°F
W 20 mph
precip
9%
NIGHT
88°F
NW 6 mph
precip
5%
09.17
thu
DAY
86°F
W 12 mph
precip
3%
NIGHT
86°F
S 6 mph
precip
12%
09.18
fri
DAY
86°F
W 11 mph
precip
4%
NIGHT
86°F
E 4 mph
precip
3%
09.19
sat
DAY
84°F
W 6 mph
precip
5%
NIGHT
88°F
NW 18 mph
precip
46%
09.20
sun
DAY
88°F
N 7 mph
precip
42%
NIGHT
88°F
N 14 mph
precip
46%
09.21
mon
DAY
86°F
N 7 mph
precip
47%
NIGHT
86°F
N 11 mph
precip
10%

Dauphin Island Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Dauphin Island was 30.3°F. The maximum and minimum values were 29.7°F and 30.6°F respectively.

Dauphin Island on the Weather Map

Best Time to Visit Dauphin Island
The most sunny months:
October 20 days
September 15 days
November 15 days
The most warm months:
August 90.2 °F
July 89.9 °F
June 88.1 °F
Warmest sea temperature:
August 90.9 °F
July 90.1 °F
September 87.5 °F
The most cold months:
January 56.8 °F
February 60.6 °F
December 60.6 °F
The most rainy months:
August 5 days
July 5 days
September 4 days
The most windy months:
January 12 mph
March 11 mph
February 11 mph