Measurements:
°C
°F
CURRENT WEATHER
19:18
Niagara-on-the-Lake
64°F
NE 6 mph
Feels like: 64°F
Precip: 20%
World Resorts Canada Niagara-on-the-Lake Weather

7 Day Weather Forecast

09.28
mon
DAY
62°F
S 6 mph
precip
17%
NIGHT
66°F
NE 4 mph
precip
21%
09.29
tue
DAY
64°F
W 8 mph
precip
23%
NIGHT
64°F
N 8 mph
precip
23%
09.30
wed
DAY
68°F
NE 12 mph
precip
23%
NIGHT
70°F
N 6 mph
precip
21%
10.01
thu
DAY
76°F
NE 19 mph
precip
12%
NIGHT
68°F
E 7 mph
precip
66%
10.02
fri
DAY
58°F
SE 7 mph
precip
20%
NIGHT
54°F
SE 17 mph
precip
4%
10.03
sat
DAY
54°F
S 6 mph
precip
4%
NIGHT
54°F
W 11 mph
precip
13%
10.04
sun
DAY
56°F
N 14 mph
precip
58%
NIGHT
62°F
NE 19 mph
precip
79%

Niagara-on-the-Lake Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Niagara-on-the-Lake was 21.3°F. The maximum and minimum values were 18.0°F and 23.0°F respectively.

Niagara-on-the-Lake on the Weather Map

Best Time to Visit Niagara-on-the-Lake
The most sunny months:
July 14 days
September 13 days
August 13 days
The most warm months:
July 82.2 °F
August 80.2 °F
June 75.8 °F
Warmest sea temperature:
August 76.6 °F
July 75.7 °F
September 71.9 °F
The most cold months:
January 26.9 °F
February 27.9 °F
December 34.3 °F
The most rainy months:
July 3 days
October 2 days
April 2 days
The most windy months:
January 12 mph
February 12 mph
December 12 mph
more details