Average sea water temperature in September:
+57.2°F
Minimum sea water temperature in September: | 64.0°F |
Maximum sea water temperature in September: | 51.8°F |
Daily sea water temperature in September, °F
Show year:
2024
2023
2022
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47
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59
63
67
71
The average sea water temperature in September of 2024 was 59.6°F. The highest and lowest sea temperatures during the month were 61.9°F and 55.0°F.
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St. John's |
monthly
weather
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St. John's |
current
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St. John's |
14 days
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St. John's |
Monthly sea water temperature in St. John's, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
38.6
44.3
51.8
57.2
59.5
53
43.9
37.1
33.6
32.1
32.6
34.6
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 St. John's
St. John's on a weather map
Leaflet | Tiles © Esri
Places in Canada:
Name
°F
24 Hours Forecast
St. John's
Local time: 15:09
April 28, monday
1800

32°F
SW
24 mph
24 mph
2100

32°F
SW
24 mph
24 mph
April 29, tuesday
0000

32°F
SW
22 mph
22 mph
0300

32°F
SW
22 mph
22 mph
0600

32°F
SW
22 mph
22 mph
0900

32°F
SW
21 mph
21 mph
1200

32°F
SW
19 mph
19 mph
1500

34°F
S
16 mph
16 mph