09.15
tue
tue
DAY
56°F
E 19 mph
precip
6%
6%
NIGHT
52°F
SE 9 mph
precip
11%
11%
09.16
wed
wed
DAY
50°F
NW 7 mph
precip
7%
7%
NIGHT
52°F
SW 4 mph
precip
9%
9%
09.17
thu
thu
DAY
60°F
N 4 mph
precip
4%
4%
NIGHT
54°F
S 4 mph
precip
9%
9%
09.18
fri
fri
DAY
54°F
W 7 mph
precip
38%
38%
NIGHT
50°F
SW 12 mph
precip
29%
29%
09.19
sat
sat
DAY
58°F
W 13 mph
precip
21%
21%
NIGHT
58°F
S 7 mph
precip
31%
31%
09.20
sun
sun
DAY
54°F
W 15 mph
precip
23%
23%
NIGHT
48°F
SW 9 mph
precip
29%
29%
09.21
mon
mon
DAY
52°F
W 14 mph
precip
24%
24%
NIGHT
48°F
SW 10 mph
precip
68%
68%
09.22
tue
tue
DAY
50°F
SW 7 mph
precip
30%
30%
NIGHT
50°F
S 4 mph
precip
17%
17%
09.23
wed
wed
DAY
54°F
NE 9 mph
precip
14%
14%
NIGHT
52°F
SE 7 mph
precip
4%
4%
09.24
thu
thu
DAY
52°F
SE 18 mph
precip
10%
10%
NIGHT
50°F
E 12 mph
precip
15%
15%
09.25
fri
fri
DAY
54°F
SE 12 mph
precip
13%
13%
NIGHT
46°F
SE 14 mph
precip
10%
10%
09.26
sat
sat
DAY
46°F
NW 14 mph
precip
7%
7%
NIGHT
40°F
SW 7 mph
precip
5%
5%
09.27
sun
sun
DAY
42°F
W 7 mph
precip
17%
17%
NIGHT
40°F
W 7 mph
precip
75%
75%
09.28
mon
mon
DAY
40°F
SW 15 mph
precip
37%
37%
NIGHT
38°F
NW 13 mph
precip
10%
10%
Sea water
temperature
temperature
| Grand Marais |
Weather in
September
September
| Grand Marais |
7 day weather
forecast
forecast
| Grand Marais |
10 day weather
forecast
forecast
| Grand Marais |
14 day weather
forecast
forecast
| Grand Marais |
Monthly weather
averages
averages
| Grand Marais |
Current Weather
Conditions
Conditions
| Grand Marais |
When is the Best
Time to Visit?
Time to Visit?
| Grand Marais |
Grand Marais Sea Water Temperature in September, °F
The average sea surface temperature in September 2026 for Grand Marais was 61.9°F. The maximum and minimum values were 55.6°F and 64.4°F respectively.
Grand Marais on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+62 |
| Chicago |  |
+66 |
| Hawaii |  |
+80 |
| Las Vegas | |
+80 |
| Los Angeles | |
+72 |
| Maui |  |
+66 |
| Miami |  |
+88 |
| Myrtle Beach | |
+78 |
| New York | |
+66 |
| Panama City Beach | |
+90 |
| San Diego | |
+70 |
| San Francisco | |
+60 |
| Santa Monica | |
+72 |
| Sarasota | |
+86 |
| Washington |  |
+66 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Grand Marais
Local time: 08:41
15 sep, tuesday
| 0900 | |
54°F | E 19 mph |
| 1200 | |
56°F | E 19 mph |
| 1500 | |
62°F | SE 15 mph |
| 1800 | |
62°F | E 9 mph |
| 2100 | |
56°F | SE 6 mph |
16 sep, wednesday
| 0000 | |
52°F | SE 9 mph |
| 0300 | |
48°F | SE 5 mph |
| 0600 | |
46°F | S 6 mph |