Measurements:
°C
°F
St John's
88°F
W 19 mph
Feels like: 98°F
Precip: 36%
World Resorts Antigua and Barbuda St John's Weather

14 Day Weather Forecast

09.08
tue
DAY
88°F
W 19 mph
precip
15%
NIGHT
86°F
W 22 mph
precip
9%
09.09
wed
DAY
88°F
W 22 mph
precip
19%
NIGHT
86°F
W 21 mph
precip
23%
09.10
thu
DAY
88°F
W 21 mph
precip
23%
NIGHT
86°F
W 22 mph
precip
25%
09.11
fri
DAY
88°F
W 19 mph
precip
16%
NIGHT
86°F
W 18 mph
precip
17%
09.12
sat
DAY
88°F
W 19 mph
precip
18%
NIGHT
86°F
W 19 mph
precip
19%
09.13
sun
DAY
88°F
W 17 mph
precip
36%
NIGHT
86°F
W 16 mph
precip
10%
09.14
mon
DAY
88°F
W 17 mph
precip
5%
NIGHT
86°F
W 17 mph
precip
9%
09.15
tue
DAY
88°F
W 18 mph
precip
18%
NIGHT
86°F
W 18 mph
precip
33%
09.16
wed
DAY
84°F
W 19 mph
precip
58%
NIGHT
86°F
W 20 mph
precip
21%
09.17
thu
DAY
88°F
W 19 mph
precip
58%
NIGHT
86°F
W 17 mph
precip
20%
09.18
fri
DAY
88°F
W 16 mph
precip
23%
NIGHT
86°F
W 14 mph
precip
18%
09.19
sat
DAY
88°F
NW 13 mph
precip
12%
NIGHT
86°F
W 12 mph
precip
55%
09.20
sun
DAY
88°F
NW 15 mph
precip
15%
NIGHT
86°F
W 15 mph
precip
34%
09.21
mon
DAY
88°F
NW 15 mph
precip
17%
NIGHT
86°F
W 15 mph
precip
30%

St John's Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for St John's was 89.3°F. The maximum and minimum values were 88.8°F and 89.8°F respectively.

St John's on the Weather Map

Best Time to Visit St John's
The most sunny months:
March 6 days
January 5 days
February 5 days
The most warm months:
September 89.5 °F
August 89.0 °F
October 88.9 °F
Warmest sea temperature:
September 88.5 °F
October 88.3 °F
August 87.6 °F
The most cold months:
February 83.0 °F
March 83.3 °F
January 83.6 °F
The most rainy months:
October 6 days
November 5 days
September 5 days
The most windy months:
July 17 mph
February 17 mph
January 17 mph
Antigua and Barbuda Resorts:
NAME
Antigua +88
Barbuda +88
St John's +88
24 Hours Weather Forecast
St John's
Local time: 16:28
08 sep, tuesday
1800 86°F
W
20 mph
2100 86°F
W
20 mph
09 sep, wednesday
0000 86°F
W
22 mph
0300 86°F
W
22 mph
0600 86°F
W
21 mph
0900 88°F
W
20 mph
1200 88°F
W
22 mph
1500 88°F
W
22 mph