Average sea water temperature in September:
+58.3°F
Minimum sea water temperature in September: | 62.6°F |
Maximum sea water temperature in September: | 55.0°F |
Daily sea water temperature in September, °F
Show year:
2024
2023
2022
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The average sea water temperature in September of 2024 was 58.6°F. The highest and lowest sea temperatures during the month were 60.8°F and 56.1°F.
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Saint John |
monthly
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Saint John |
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Saint John |
14 days
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Saint John |
Monthly sea water temperature in Saint John, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
46
51
55.8
58.3
59.6
57.2
51.7
45.2
38.5
36.6
37.7
41.3
Which Canada resorts have warmest sea in September?
Place name | September 2024 | September 2023 |
---|---|---|
Windsor | 70.8°F | 69.0°F |
Niagara-on-the-Lake | 70.0°F | 69.4°F |
Kingston | 69.2°F | 69.9°F |
Hamilton | 68.8°F | 67.4°F |
Montreal | 68.5°F | 69.7°F |
Oshawa | 68.3°F | 67.5°F |
Niagara Falls | 68.2°F | 68.5°F |
Barrie | 68.2°F | 67.7°F |
Mississauga | 68.1°F | 66.6°F |
Toronto | 67.7°F | 67.1°F |
Quebec | 66.6°F | 67.8°F |
Gimli | 66.1°F | 64.1°F |
Winnipeg | 66.0°F | 64.2°F |
Summerside | 65.5°F | 65.8°F |
Sydney | 64.8°F | 62.1°F |
Prince Edward Island | 64.7°F | 63.8°F |
Charlottetown | 64.5°F | 64.7°F |
Thunder Bay | 63.7°F | 60.1°F |
Les Iles-de-la-Madeleine | 62.0°F | 60.7°F |
Corner Brook | 61.9°F | 61.6°F |
Best time for vacation in Saint John
Saint John on a weather map
Leaflet | Tiles © Esri
Places in Canada:
Name
°F
24 Hours Forecast
Saint John
Local time: 23:06
April 29, tuesday
0000

41°F
NW
2 mph
2 mph
0300

39°F
N
2 mph
2 mph
0600

39°F
N
3 mph
3 mph
0900

50°F
N
10 mph
10 mph
1200

63°F
N
14 mph
14 mph
1500

64°F
N
16 mph
16 mph
1800

57°F
N
14 mph
14 mph
2100

50°F
N
12 mph
12 mph