19.09
sat
sat
Day
55°F
NW 12 mph
Precip.
57%
57%
Night
61°F
NW 7 mph
Precip.
82%
82%
20.09
sun
sun
Day
61°F
W 12 mph
Precip.
83%
83%
Night
57°F
SW 14 mph
Precip.
33%
33%
21.09
mon
mon
Day
57°F
W 16 mph
Precip.
21%
21%
Night
52°F
W 16 mph
Precip.
30%
30%
22.09
tue
tue
Day
50°F
SW 12 mph
Precip.
35%
35%
Night
59°F
SW 12 mph
Precip.
14%
14%
23.09
wed
wed
Day
55°F
SW 13 mph
Precip.
23%
23%
Night
52°F
SW 6 mph
Precip.
16%
16%
24.09
thu
thu
Day
57°F
S 9 mph
Precip.
21%
21%
Night
57°F
SW 6 mph
Precip.
18%
18%
25.09
fri
fri
Day
61°F
SW 8 mph
Precip.
4%
4%
Night
55°F
SW 6 mph
Precip.
11%
11%
sea water
temperature
temperature
| South Haven |
monthly
weather
weather
| South Haven |
current
weather
weather
| South Haven |
14 days
forecast
forecast
| South Haven |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 70.4°F. The highest and lowest sea temperatures during the month were 72.7°F and 66.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 68.5°F and 52.3°F.
Air temperature in South Haven, °F
Precipitation total in South Haven, in.
* Charts above show average data for the last 3 years.
Best time for vacation in South Haven
South Haven on a weather map
Places in USA:
Name
°F
24 Hours Forecast
South Haven
Local time: 07:00
September 19, saturday
0900
54°F
W
12 mph
12 mph
1200
55°F
NW
12 mph
12 mph
1500
59°F
NW
11 mph
11 mph
1800
61°F
NW
9 mph
9 mph
2100
61°F
NW
11 mph
11 mph
September 20, sunday
0000
61°F
NW
7 mph
7 mph
0300
61°F
NW
3 mph
3 mph
0600
63°F
SW
3 mph
3 mph
