17.09
thu
thu
Day
84°F
SW 16 mph
Precip.
18%
18%
Night
82°F
W 10 mph
Precip.
19%
19%
18.09
fri
fri
Day
86°F
SW 16 mph
Precip.
63%
63%
Night
81°F
W 5 mph
Precip.
22%
22%
19.09
sat
sat
Day
86°F
SW 13 mph
Precip.
16%
16%
Night
82°F
W 4 mph
Precip.
14%
14%
20.09
sun
sun
Day
84°F
SW 10 mph
Precip.
20%
20%
Night
81°F
NW 8 mph
Precip.
23%
23%
21.09
mon
mon
Day
86°F
SW 8 mph
Precip.
27%
27%
Night
77°F
W 9 mph
Precip.
36%
36%
22.09
tue
tue
Day
75°F
W 7 mph
Precip.
77%
77%
Night
79°F
NW 3 mph
Precip.
23%
23%
23.09
wed
wed
Day
82°F
W 8 mph
Precip.
18%
18%
Night
81°F
N 4 mph
Precip.
21%
21%
sea water
temperature
temperature
| Montego Bay |
monthly
weather
weather
| Montego Bay |
current
weather
weather
| Montego Bay |
14 days
forecast
forecast
| Montego Bay |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.8°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 86.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 85.1°F.
Air temperature in Montego Bay, °F
Precipitation total in Montego Bay, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Montego Bay
Montego Bay on a weather map
Places in Jamaica:
Name
°F
24 Hours Forecast
Montego Bay
Local time: 00:04
September 17, thursday
0300
81°F
W
9 mph
9 mph
0600
79°F
W
10 mph
10 mph
0900
82°F
W
9 mph
9 mph
1200
84°F
SW
16 mph
16 mph
1500
84°F
SW
14 mph
14 mph
1800
82°F
W
6 mph
6 mph
2100
82°F
W
8 mph
8 mph
September 18, friday
0000
82°F
W
10 mph
10 mph
