Measurements:
°C
°F
CURRENT WEATHER
16:57
Toronto
76°F
N 6 mph
Feels like: 80°F
Precip: 12%
World Resorts Canada Toronto Weather

7 Day Weather Forecast

09.08
tue
DAY
76°F
NE 2 mph
precip
16%
NIGHT
68°F
NW 2 mph
precip
21%
09.09
wed
DAY
68°F
N 5 mph
precip
55%
NIGHT
68°F
E 7 mph
precip
38%
09.10
thu
DAY
70°F
SE 13 mph
precip
9%
NIGHT
58°F
SE 4 mph
precip
6%
09.11
fri
DAY
70°F
E 4 mph
precip
1%
NIGHT
62°F
NW 3 mph
precip
9%
09.12
sat
DAY
72°F
N 6 mph
precip
2%
NIGHT
68°F
N 2 mph
precip
19%
09.13
sun
DAY
80°F
NE 5 mph
precip
7%
NIGHT
72°F
S 4 mph
precip
35%
09.14
mon
DAY
74°F
SE 4 mph
precip
17%
NIGHT
66°F
W 12 mph
precip
81%

Toronto Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Toronto was 18.4°F. The maximum and minimum values were 14.7°F and 20.7°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 66.3 °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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