World Resorts Jamaica Port Antonio Weather

Port Antonio Sea Temperature in September

Average sea water temperature in September:
+85.7°F
Minimum sea water temperature in September: 88.0°F
Maximum sea water temperature in September: 83.1°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.8°F.

Monthly sea water temperature in Port Antonio, °F

Which Jamaica resorts have warmest sea in September?

Place name September 2025 September 2024
Westmoreland 87.1°F 86.9°F
Negril 87.1°F 87.1°F
Montego Bay 86.7°F 86.7°F
Runaway Bay 86.5°F 86.8°F
Ocho Rios 86.4°F 86.5°F
Port Antonio 86.4°F 86.6°F
Kingston 86.2°F 86.5°F

Best time for vacation in Port Antonio

Sunniest months:
July 11 days
May 10 days
September 10 days
Warmest months:
August 86.2 °F
September 86.1 °F
July 86.1 °F
Warmest sea temp:
September 85.7 °F
October 85.4 °F
August 85.1 °F
Coldest months:
January 80.2 °F
February 80.4 °F
March 80.8 °F
Rainiest months:
October 8 days
August 7 days
November 6 days
Windiest months:
June 11.5 mph
July 10.4 mph
May 10.1 mph

Port Antonio on a weather map

Current weather
18:28
Port Antonio
+73°F
SW 14 mph
Feels like: +77°F
Precip.: 0%
Places in Jamaica:
Name
°F
Westmoreland
+72°F
Kingston
+72°F
Montego Bay
+73°F
Negril
+72°F
Ocho Rios
+72°F
Port Antonio
+73°F
Runaway Bay
+72°F
24 Hours Forecast
Port Antonio
Local time: 18:28
February 03, tuesday
2100
72°F
SW
16 mph
February 04, wednesday
0000
73°F
SW
14 mph
0300
75°F
W
14 mph
0600
75°F
W
12 mph
0900
77°F
W
11 mph
1200
79°F
W
9 mph
1500
79°F
W
8 mph
1800
77°F
W
7 mph
Units of measurement: °C / °F