World Resorts Canada Niagara Falls Weather

Niagara Falls Sea Temperature in September

Average sea water temperature in September:
+69.3°F
Minimum sea water temperature in September: 75.9°F
Maximum sea water temperature in September: 60.4°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 68.7°F. The highest and lowest sea temperatures during the month were 72.9°F and 60.4°F.

Monthly sea water temperature in Niagara Falls, °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 Niagara Falls

Sunniest months:
July 14 days
September 13 days
June 12 days
Warmest months:
July 79.0 °F
August 77.0 °F
June 73.1 °F
Warmest sea temp:
August 72.5 °F
July 71.4 °F
September 69.3 °F
Coldest months:
January 28.9 °F
February 29.9 °F
December 35.8 °F
Rainiest months:
July 3 days
April 3 days
October 2 days
Windiest months:
November 11.9 mph
December 11.6 mph
February 11.2 mph

Niagara Falls on a weather map

Niagara Falls
+57°F
SE 14 mph
Feels like: +54°F
Precip.: 1%
Places in Canada:
Name
°F
+55°F
+59°F
+63°F
+61°F
+48°F
+55°F
+50°F
+61°F
+57°F
+46°F
+50°F
+55°F
+57°F
+55°F
24 Hours Forecast
Niagara Falls
Local time: 16:39
October 05, monday
1800
57°F
SE
14 mph
2100
50°F
SE
9 mph
October 06, tuesday
0000
48°F
SE
5 mph
0300
45°F
E
5 mph
0600
43°F
E
4 mph
0900
46°F
E
4 mph
1200
55°F
E
5 mph
1500
59°F
NE
7 mph
Units of measurement: °C / °F