Measurements:
°C
°F
CURRENT WEATHER
09:38
St. Augustine
86°F
W 12 mph
Feels like: 94°F
Precip: 49%
World Resorts USA St. Augustine Weather

14 Day Weather Forecast

09.15
tue
DAY
88°F
W 12 mph
precip
62%
NIGHT
84°F
SW 18 mph
precip
11%
09.16
wed
DAY
86°F
SW 18 mph
precip
15%
NIGHT
84°F
W 17 mph
precip
22%
09.17
thu
DAY
86°F
SW 14 mph
precip
15%
NIGHT
84°F
W 11 mph
precip
27%
09.18
fri
DAY
88°F
W 9 mph
precip
18%
NIGHT
84°F
W 9 mph
precip
23%
09.19
sat
DAY
84°F
NW 6 mph
precip
29%
NIGHT
86°F
NW 9 mph
precip
21%
09.20
sun
DAY
86°F
NW 6 mph
precip
22%
NIGHT
84°F
N 12 mph
precip
43%
09.21
mon
DAY
86°F
W 6 mph
precip
41%
NIGHT
82°F
N 13 mph
precip
24%
09.22
tue
DAY
86°F
NW 7 mph
precip
18%
NIGHT
84°F
N 12 mph
precip
48%
09.23
wed
DAY
84°F
N 6 mph
precip
23%
NIGHT
84°F
NW 10 mph
precip
62%
09.24
thu
DAY
84°F
N 9 mph
precip
20%
NIGHT
80°F
N 13 mph
precip
24%
09.25
fri
DAY
84°F
E 6 mph
precip
22%
NIGHT
82°F
NE 4 mph
precip
14%
09.26
sat
DAY
84°F
SW 6 mph
precip
50%
NIGHT
80°F
N 6 mph
precip
24%
09.27
sun
DAY
82°F
N 7 mph
precip
64%
NIGHT
82°F
NW 7 mph
precip
43%
09.28
mon
DAY
86°F
NW 9 mph
precip
58%
NIGHT
78°F
E 9 mph
precip
90%

St. Augustine Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for St. Augustine was 86.7°F. The maximum and minimum values were 84.4°F and 88.2°F respectively.

St. Augustine on the Weather Map

Best Time to Visit St. Augustine
The most sunny months:
April 17 days
October 15 days
March 14 days
The most warm months:
July 93.4 °F
August 92.7 °F
June 91.2 °F
Warmest sea temperature:
August 87.1 °F
July 86.6 °F
September 86.4 °F
The most cold months:
January 64.6 °F
December 68.2 °F
February 69.8 °F
The most rainy months:
July 5 days
September 4 days
August 4 days
The most windy months:
January 7 mph
April 7 mph
December 6 mph
more details
USA Resorts:
NAME
F°
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
all resorts
24 Hours Weather Forecast
St. Augustine
Local time: 09:38
15 sep, tuesday
1200 88°F
W
12 mph
1500 88°F
W
13 mph
1800 86°F
W
17 mph
2100 86°F
W
19 mph
16 sep, wednesday
0000 84°F
SW
18 mph
0300 84°F
SW
19 mph
0600 84°F
SW
19 mph
0900 86°F
SW
17 mph