Measurements:
°C
°F
Jekyll Island
96°F
W 9 mph
Feels like: 102°F
Precip: 8%
World Resorts USA Jekyll Island Weather

7 Day Weather Forecast

09.15
tue
DAY
96°F
W 9 mph
precip
8%
NIGHT
78°F
W 7 mph
precip
16%
09.16
wed
DAY
90°F
SW 11 mph
precip
9%
NIGHT
78°F
SW 5 mph
precip
5%
09.17
thu
DAY
88°F
SW 10 mph
precip
5%
NIGHT
76°F
SW 3 mph
precip
9%
09.18
fri
DAY
92°F
W 6 mph
precip
1%
NIGHT
78°F
NW 3 mph
precip
9%
09.19
sat
DAY
92°F
W 8 mph
precip
4%
NIGHT
78°F
W 3 mph
precip
28%
09.20
sun
DAY
86°F
W 6 mph
precip
49%
NIGHT
78°F
W 3 mph
precip
21%
09.21
mon
DAY
80°F
W 3 mph
precip
65%
NIGHT
78°F
W 4 mph
precip
29%

Jekyll Island Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Jekyll Island was 29.4°F. The maximum and minimum values were 28.5°F and 30.2°F respectively.

Jekyll Island on the Weather Map

Best Time to Visit Jekyll Island
The most sunny months:
January 15 days
October 15 days
April 15 days
The most warm months:
July 93.4 °F
August 91.5 °F
June 90.3 °F
Warmest sea temperature:
August 89.0 °F
July 88.7 °F
September 85.6 °F
The most cold months:
January 60.4 °F
December 63.8 °F
February 65.7 °F
The most rainy months:
August 5 days
July 4 days
September 4 days
The most windy months:
February 7 mph
January 7 mph
April 7 mph