17.09
thu
thu
Day
84°F
SW 12 mph
Precip.
21%
21%
Night
82°F
W 12 mph
Precip.
25%
25%
18.09
fri
fri
Day
84°F
W 17 mph
Precip.
22%
22%
Night
82°F
NW 9 mph
Precip.
25%
25%
19.09
sat
sat
Day
84°F
W 15 mph
Precip.
18%
18%
Night
82°F
NW 4 mph
Precip.
15%
15%
20.09
sun
sun
Day
84°F
W 16 mph
Precip.
32%
32%
Night
81°F
NW 9 mph
Precip.
23%
23%
21.09
mon
mon
Day
84°F
W 22 mph
Precip.
53%
53%
Night
77°F
NW 8 mph
Precip.
87%
87%
22.09
tue
tue
Day
79°F
NW 9 mph
Precip.
54%
54%
Night
81°F
NW 8 mph
Precip.
20%
20%
23.09
wed
wed
Day
84°F
W 13 mph
Precip.
19%
19%
Night
82°F
NW 8 mph
Precip.
42%
42%
sea water
temperature
temperature
| Runaway Bay |
monthly
weather
weather
| Runaway Bay |
current
weather
weather
| Runaway Bay |
14 days
forecast
forecast
| Runaway Bay |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.1°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 87.3°F and 85.3°F.
Air temperature in Runaway Bay, °F
Precipitation total in Runaway Bay, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Runaway Bay
Runaway Bay on a weather map
Places in Jamaica:
Name
°F
24 Hours Forecast
Runaway Bay
Local time: 00:04
September 17, thursday
0300
82°F
W
10 mph
10 mph
0600
82°F
W
11 mph
11 mph
0900
84°F
W
10 mph
10 mph
1200
84°F
SW
12 mph
12 mph
1500
84°F
W
12 mph
12 mph
1800
84°F
W
9 mph
9 mph
2100
82°F
W
9 mph
9 mph
September 18, friday
0000
82°F
W
12 mph
12 mph
