15.09
tue
tue
Day

68°F
N 9 mph
Precip.
11%
11%
Night

70°F
NE 9 mph
Precip.
9%
9%
16.09
wed
wed
Day

75°F
S 6 mph
Precip.
3%
3%
Night

63°F
S 5 mph
Precip.
11%
11%
17.09
thu
thu
Day

64°F
S 2 mph
Precip.
12%
12%
Night

64°F
S 6 mph
Precip.
12%
12%
18.09
fri
fri
Day

66°F
SW 8 mph
Precip.
3%
3%
Night

61°F
W 4 mph
Precip.
11%
11%
19.09
sat
sat
Day

50°F
W 7 mph
Precip.
78%
78%
Night

55°F
S 6 mph
Precip.
47%
47%
20.09
sun
sun
Day

59°F
SW 6 mph
Precip.
25%
25%
Night

61°F
SW 4 mph
Precip.
27%
27%
21.09
mon
mon
Day

55°F
W 12 mph
Precip.
19%
19%
Night

59°F
W 14 mph
Precip.
23%
23%
sea water
temperature
temperature
| Mississauga |
monthly
weather
weather
| Mississauga |
current
weather
weather
| Mississauga |
14 days
forecast
forecast
| Mississauga |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 67.2°F. The highest and lowest sea temperatures during the month were 69.4°F and 65.5°F.
Air temperature in Mississauga, °F
Precipitation total in Mississauga, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mississauga
Mississauga on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Mississauga
Local time: 13:52
September 15, tuesday
1500

77°F
NE
13 mph
13 mph
1800

72°F
NE
8 mph
8 mph
2100

72°F
NE
9 mph
9 mph
September 16, wednesday
0000

70°F
NE
9 mph
9 mph
0300

68°F
E
5 mph
5 mph
0600

66°F
E
4 mph
4 mph
0900

68°F
S
7 mph
7 mph
1200

75°F
S
6 mph
6 mph



























