Current sea water temperature:
+62.6°F
| Minimum sea water temperature in September: | 71.6°F |
| Maximum sea water temperature in September: | 57.7°F |
| Average sea water temperature in September: | 65.4°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| September 15 | 62.6°F | September 10 | 63.3°F |
| September 14 | 61.7°F | September 9 | 64.0°F |
| September 13 | 61.5°F | September 8 | 64.4°F |
| September 12 | 62.4°F | September 7 | 66.9°F |
| September 11 | 63.1°F | September 6 | 67.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Summerside?
Based on the data about daily sea water temperature for the last three years the warmest sea in Summerside was noticed in August, July and September.
Monthly Sea Temperatures in Summerside, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.0°F. The highest and lowest sea temperatures during the month were 73.9°F and 66.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 61.9°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 65.5°F. The highest and lowest sea temperatures during the month were 69.6°F and 61.5°F.
current
weather
weather
| Summerside |
weather in
September
September
| Summerside |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 14:50
September 15, tuesday
1500
59°F
SW
7 mph
7 mph
1800
57°F
SW
6 mph
6 mph
2100
54°F
NW
8 mph
8 mph
September 16, wednesday
0000
54°F
NW
9 mph
9 mph
0300
55°F
N
9 mph
9 mph
0600
54°F
NE
10 mph
10 mph
0900
55°F
NE
12 mph
12 mph
1200
59°F
NE
14 mph
14 mph
