Average sea water temperature in September:
+59.3°F
Minimum sea water temperature in September: | 66.4°F |
Maximum sea water temperature in September: | 48.0°F |
Daily sea water temperature in September, °F
Show year:
2024
2023
2022
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73
The average sea water temperature in September of 2024 was 63.6°F. The highest and lowest sea temperatures during the month were 66.4°F and 61.5°F.
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temperature
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Grand Marais |
monthly
weather
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Grand Marais |
current
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Grand Marais |
14 days
forecast
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Grand Marais |
Monthly sea water temperature in Grand Marais, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
39.7
44.7
52.6
59.3
59.9
51.8
40.5
36.5
34.5
34.1
35.1
37.2
Which USA resorts have warmest sea in September?
Place name | September 2024 | September 2023 |
---|---|---|
Key West | 87.4°F | 87.3°F |
Naples | 87.2°F | 86.8°F |
Marco Island | 87.2°F | 86.7°F |
Everglades | 87.0°F | 86.8°F |
Siesta Key | 86.8°F | 85.8°F |
Sarasota | 86.7°F | 85.8°F |
Cape Coral | 86.5°F | 86.0°F |
Fort Lauderdale | 86.4°F | 86.2°F |
West Palm Beach | 86.4°F | 86.2°F |
Miami Beach | 86.3°F | 86.3°F |
Clearwater Beach | 86.2°F | 85.5°F |
Tampa | 86.0°F | 85.5°F |
Miami | 86.0°F | 86.0°F |
South Padre Island | 85.8°F | 86.3°F |
Cocoa Beach | 85.2°F | 84.4°F |
Panama City Beach | 84.8°F | 85.1°F |
Santa Rosa Beach | 84.8°F | 85.3°F |
Corpus Christi | 84.7°F | 87.1°F |
Miramar Beach | 84.6°F | 85.2°F |
Mustang Island | 84.6°F | 86.9°F |
Best time for vacation in Grand Marais
Grand Marais on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Grand Marais
Local time: 13:02
April 28, monday
1500

46°F
W
4 mph
4 mph
1800

46°F
W
4 mph
4 mph
2100

46°F
E
4 mph
4 mph
April 29, tuesday
0000

45°F
S
8 mph
8 mph
0300

39°F
S
17 mph
17 mph
0600

32°F
S
21 mph
21 mph
0900

34°F
S
17 mph
17 mph
1200

36°F
SE
12 mph
12 mph