Current sea water temperature:
+67.5°F
| Minimum sea water temperature in September: | 76.8°F |
| Maximum sea water temperature in September: | 32.0°F |
| Average sea water temperature in September: | 66.8°F |
| more information | |
14 days
forecast
forecast
| Montreal |
monthly
weather
weather
| Montreal |
Sea water temperature for the last 10 days:
| September 15 | 67.5°F | September 10 | 69.8°F |
| September 14 | 67.3°F | September 9 | 70.3°F |
| September 13 | 67.5°F | September 8 | 70.7°F |
| September 12 | 68.5°F | September 7 | 70.5°F |
| September 11 | 69.3°F | September 6 | 71.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Montreal?
Based on the data about daily sea water temperature for the last three years the warmest sea in Montreal was noticed in July, August and September.
Monthly Sea Temperatures in Montreal, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.0°F. The highest and lowest sea temperatures during the month were 78.1°F and 71.6°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 74.6°F. The highest and lowest sea temperatures during the month were 77.5°F and 71.8°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 70.0°F. The highest and lowest sea temperatures during the month were 72.5°F and 67.3°F.
current
weather
weather
| Montreal |
weather in
September
September
| Montreal |
Best time for vacation in Montreal
Montreal on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Montreal
Local time: 13:52
September 15, tuesday
1500
61°F
NW
7 mph
7 mph
1800
61°F
NW
4 mph
4 mph
2100
63°F
NW
6 mph
6 mph
September 16, wednesday
0000
63°F
N
9 mph
9 mph
0300
63°F
N
12 mph
12 mph
0600
61°F
N
9 mph
9 mph
0900
63°F
N
6 mph
6 mph
1200
73°F
E
9 mph
9 mph
