09.15
tue
tue
DAY
62°F
N 19 mph
precip
31%
31%
NIGHT
60°F
SE 12 mph
precip
17%
17%
09.16
wed
wed
DAY
58°F
S 5 mph
precip
15%
15%
NIGHT
58°F
NW 7 mph
precip
19%
19%
09.17
thu
thu
DAY
64°F
E 3 mph
precip
7%
7%
NIGHT
58°F
S 16 mph
precip
20%
20%
09.18
fri
fri
DAY
52°F
W 13 mph
precip
14%
14%
NIGHT
54°F
NW 14 mph
precip
14%
14%
09.19
sat
sat
DAY
56°F
W 17 mph
precip
48%
48%
NIGHT
58°F
SW 12 mph
precip
24%
24%
09.20
sun
sun
DAY
58°F
W 12 mph
precip
17%
17%
NIGHT
60°F
W 15 mph
precip
17%
17%
09.21
mon
mon
DAY
56°F
W 25 mph
precip
22%
22%
NIGHT
56°F
W 26 mph
precip
36%
36%
09.22
tue
tue
DAY
58°F
W 22 mph
precip
64%
64%
NIGHT
60°F
NE 12 mph
precip
32%
32%
09.23
wed
wed
DAY
58°F
E 12 mph
precip
24%
24%
NIGHT
58°F
NE 17 mph
precip
55%
55%
09.24
thu
thu
DAY
54°F
SE 29 mph
precip
43%
43%
NIGHT
54°F
SE 26 mph
precip
15%
15%
09.25
fri
fri
DAY
52°F
SE 12 mph
precip
4%
4%
NIGHT
54°F
NE 9 mph
precip
6%
6%
09.26
sat
sat
DAY
64°F
NE 13 mph
precip
5%
5%
NIGHT
64°F
NE 9 mph
precip
8%
8%
09.27
sun
sun
DAY
72°F
N 10 mph
precip
15%
15%
NIGHT
70°F
N 16 mph
precip
40%
40%
09.28
mon
mon
DAY
74°F
NE 15 mph
precip
16%
16%
NIGHT
64°F
SE 12 mph
precip
25%
25%
Sea water
temperature
temperature
| Mackinac Island |
Weather in
September
September
| Mackinac Island |
7 day weather
forecast
forecast
| Mackinac Island |
10 day weather
forecast
forecast
| Mackinac Island |
14 day weather
forecast
forecast
| Mackinac Island |
Monthly weather
averages
averages
| Mackinac Island |
Current Weather
Conditions
Conditions
| Mackinac Island |
When is the Best
Time to Visit?
Time to Visit?
| Mackinac Island |
Mackinac Island Sea Water Temperature in September, °F
The average sea surface temperature in September 2026 for Mackinac Island was 67.0°F. The maximum and minimum values were 64.8°F and 69.2°F respectively.
Mackinac Island on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+64 |
| Chicago |  |
+66 |
| Hawaii |  |
+80 |
| Las Vegas | |
+80 |
| Los Angeles |  |
+74 |
| Maui |  |
+66 |
| Miami |  |
+92 |
| Myrtle Beach | |
+88 |
| New York | |
+72 |
| Panama City Beach | |
+90 |
| San Diego | |
+72 |
| San Francisco | |
+60 |
| Santa Monica | |
+72 |
| Sarasota | |
+94 |
| Washington | |
+76 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Mackinac Island
Local time: 11:15
15 sep, tuesday
| 1200 | |
62°F | N 19 mph |
| 1500 | |
66°F | NE 21 mph |
| 1800 | |
72°F | NE 19 mph |
| 2100 | |
62°F | SE 14 mph |
16 sep, wednesday
| 0000 | |
60°F | SE 12 mph |
| 0300 | |
60°F | SE 12 mph |
| 0600 | |
58°F | SE 9 mph |
| 0900 | |
58°F | SE 4 mph |