Measurements:
°C
°F
CURRENT WEATHER
09:40
South Haven
62°F
N 11 mph
Feels like: 62°F
Precip: 57%
World Resorts USA South Haven Weather

7 Day Weather Forecast

09.15
tue
DAY
66°F
N 14 mph
precip
26%
NIGHT
72°F
SE 1 mph
precip
74%
09.16
wed
DAY
68°F
W 9 mph
precip
25%
NIGHT
68°F
W 6 mph
precip
42%
09.17
thu
DAY
72°F
S 5 mph
precip
25%
NIGHT
68°F
S 6 mph
precip
21%
09.18
fri
DAY
78°F
NW 8 mph
precip
7%
NIGHT
64°F
W 13 mph
precip
28%
09.19
sat
DAY
84°F
NE 16 mph
precip
7%
NIGHT
78°F
E 7 mph
precip
9%
09.20
sun
DAY
80°F
NW 4 mph
precip
17%
NIGHT
66°F
W 11 mph
precip
66%
09.21
mon
DAY
76°F
NW 7 mph
precip
32%
NIGHT
68°F
NW 11 mph
precip
68%

South Haven Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for South Haven was 21.8°F. The maximum and minimum values were 20.0°F and 22.6°F respectively.

South Haven on the Weather Map

Best Time to Visit South Haven
The most sunny months:
September 16 days
June 15 days
July 15 days
The most warm months:
July 80.8 °F
August 80.0 °F
June 75.4 °F
Warmest sea temperature:
August 74.2 °F
July 74.1 °F
September 71.2 °F
The most cold months:
January 26.8 °F
February 29.3 °F
December 34.3 °F
The most rainy months:
July 3 days
June 2 days
October 2 days
The most windy months:
November 13 mph
December 12 mph
March 12 mph
more details