Measurements:
°C
°F
CURRENT WEATHER
19:46
Toronto
68°F
S 4 mph
Feels like: 68°F
Precip: 15%
World Resorts Canada Toronto Weather

7 Day Weather Forecast

09.28
mon
DAY
62°F
S 4 mph
precip
19%
NIGHT
66°F
S 5 mph
precip
17%
09.29
tue
DAY
64°F
NW 6 mph
precip
20%
NIGHT
62°F
N 2 mph
precip
27%
09.30
wed
DAY
68°F
N 6 mph
precip
25%
NIGHT
66°F
N 2 mph
precip
19%
10.01
thu
DAY
70°F
NE 8 mph
precip
17%
NIGHT
66°F
SE 4 mph
precip
51%
10.02
fri
DAY
56°F
SE 8 mph
precip
24%
NIGHT
50°F
SE 9 mph
precip
3%
10.03
sat
DAY
58°F
NW 3 mph
precip
5%
NIGHT
54°F
W 4 mph
precip
12%
10.04
sun
DAY
56°F
NW 10 mph
precip
59%
NIGHT
58°F
NE 7 mph
precip
81%

Toronto Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Toronto was 19.2°F. The maximum and minimum values were 17.9°F and 20.8°F respectively.

Toronto on the Weather Map

Best Time to Visit Toronto
The most sunny months:
July 17 days
August 17 days
June 15 days
The most warm months:
July 83.2 °F
August 81.4 °F
June 74.8 °F
Warmest sea temperature:
August 69.4 °F
July 66.5 °F
September 66.4 °F
The most cold months:
January 24.7 °F
February 25.8 °F
December 32.9 °F
The most rainy months:
June 4 days
October 4 days
April 4 days
The most windy months:
January 11 mph
February 11 mph
November 11 mph
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