26.09
sat
sat
Day

82°F
N 19 mph
Precip.
67%
67%
Night

81°F
N 14 mph
Precip.
39%
39%
27.09
sun
sun
Day

82°F
NE 19 mph
Precip.
30%
30%
Night

81°F
E 13 mph
Precip.
22%
22%
28.09
mon
mon
Day

81°F
SE 4 mph
Precip.
16%
16%
Night

81°F
W 4 mph
Precip.
17%
17%
29.09
tue
tue
Day

81°F
NW 11 mph
Precip.
35%
35%
Night

81°F
NE 6 mph
Precip.
32%
32%
30.09
wed
wed
Day

81°F
SE 8 mph
Precip.
20%
20%
Night

79°F
S 11 mph
Precip.
25%
25%
01.10
thu
thu
Day

79°F
S 12 mph
Precip.
16%
16%
Night

79°F
S 9 mph
Precip.
17%
17%
02.10
fri
fri
Day

79°F
S 11 mph
Precip.
16%
16%
Night

81°F
SE 12 mph
Precip.
13%
13%
sea water
temperature
temperature
| Hamilton |
monthly
weather
weather
| Hamilton |
current
weather
weather
| Hamilton |
14 days
forecast
forecast
| Hamilton |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 84.8°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.5°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 79.2°F. The highest and lowest sea temperatures during the month were 83.5°F and 76.8°F.
Air temperature in Hamilton, °F
Precipitation total in Hamilton, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hamilton
Hamilton on a weather map
24 Hours Forecast
Hamilton
Local time: 22:29
September 27, sunday
0000

81°F
N
14 mph
14 mph
0300

82°F
N
19 mph
19 mph
0600

81°F
N
24 mph
24 mph
0900

81°F
NE
22 mph
22 mph
1200

82°F
NE
19 mph
19 mph
1500

82°F
E
16 mph
16 mph
1800

82°F
E
16 mph
16 mph
2100

81°F
E
14 mph
14 mph

























