World Resorts Canada Yellowknife Weather

Yellowknife Sea Temperature in September

Average sea water temperature in September:
+54.1°F
Minimum sea water temperature in September: 63.3°F
Maximum sea water temperature in September: 48.2°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 52.2°F. The highest and lowest sea temperatures during the month were 56.8°F and 48.2°F.

Monthly sea water temperature in Yellowknife, °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 Yellowknife

Sunniest months:
June 14 days
July 14 days
August 11 days
Warmest months:
July 67.5 °F
August 63.9 °F
June 60.9 °F
Warmest sea temp:
August 59.5 °F
July 58.3 °F
September 54.1 °F
Coldest months:
January -8.8 °F
February -8.5 °F
December -6.8 °F
Rainiest months:
June 1 day
July 1 day
August 1 day
Windiest months:
October 10.3 mph
May 9.9 mph
September 9.8 mph

Yellowknife on a weather map

Yellowknife
+32°F
W 11 mph
Feels like: +23°F
Precip.: 31%
Places in Canada:
Name
°F
+50°F
+52°F
+34°F
+37°F
+41°F
+34°F
+34°F
+37°F
+37°F
+41°F
+36°F
+39°F
+41°F
+41°F
24 Hours Forecast
Yellowknife
Local time: 19:00
November 14, saturday
2100
32°F
NW
11 mph
November 15, sunday
0000
32°F
W
9 mph
0300
32°F
W
9 mph
0600
32°F
NW
7 mph
0900
32°F
NW
2 mph
1200
32°F
N
2 mph
1500
34°F
NE
2 mph
1800
32°F
E
2 mph
Units of measurement: °C / °F