Average sea water temperature in September:
+67.0°F
| Minimum sea water temperature in September: | 74.8°F |
| Maximum sea water temperature in September: | 59.4°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 66.4°F. The highest and lowest sea temperatures during the month were 69.4°F and 64.2°F.
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Monthly sea water temperature in Mississauga, °F
Which Canada resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Niagara-on-the-Lake | 69.9°F | 67.8°F |
| Windsor | 69.8°F | 68.5°F |
| Kingston | 69.2°F | 67.2°F |
| Niagara Falls | 68.7°F | 66.4°F |
| Barrie | 67.9°F | 66.4°F |
| Quebec | 67.2°F | 65.9°F |
| Hamilton | 67.2°F | 66.3°F |
| Montreal | 66.9°F | 66.7°F |
| Toronto | 66.5°F | 65.1°F |
| Oshawa | 66.5°F | 65.2°F |
| Mississauga | 66.4°F | 65.6°F |
| Gimli | 64.6°F | 63.6°F |
| Winnipeg | 64.1°F | 64.2°F |
| Summerside | 63.1°F | 66.2°F |
| Charlottetown | 62.2°F | 65.8°F |
| Halifax | 61.7°F | 65.2°F |
| Sydney | 61.7°F | 64.8°F |
| Lunenburg | 61.6°F | 65.4°F |
| Prince Edward Island | 61.2°F | 65.0°F |
| Surrey | 60.6°F | 62.4°F |
Best time for vacation in Mississauga
Mississauga on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Mississauga
Local time: 16:40
October 05, monday
1800
54°F
SE
13 mph
13 mph
2100
48°F
SE
7 mph
7 mph
October 06, tuesday
0000
45°F
E
6 mph
6 mph
0300
43°F
SE
4 mph
4 mph
0600
41°F
SE
4 mph
4 mph
0900
45°F
SE
2 mph
2 mph
1200
55°F
NE
4 mph
4 mph
1500
63°F
NE
4 mph
4 mph
