World Resorts Canada Mississauga Weather

Mississauga 7 Days Forecast

15.09
tue
Day
68°F
N 9 mph
Precip.
11%
Night
70°F
NE 9 mph
Precip.
9%
16.09
wed
Day
75°F
S 6 mph
Precip.
3%
Night
63°F
S 5 mph
Precip.
11%
17.09
thu
Day
64°F
S 2 mph
Precip.
12%
Night
64°F
S 6 mph
Precip.
12%
18.09
fri
Day
66°F
SW 8 mph
Precip.
3%
Night
61°F
W 4 mph
Precip.
11%
19.09
sat
Day
50°F
W 7 mph
Precip.
78%
Night
55°F
S 6 mph
Precip.
47%
20.09
sun
Day
59°F
SW 6 mph
Precip.
25%
Night
61°F
SW 4 mph
Precip.
27%
21.09
mon
Day
55°F
W 12 mph
Precip.
19%
Night
59°F
W 14 mph
Precip.
23%

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

Sunniest months:
September 15 days
August 15 days
July 15 days
Warmest months:
July 79.2 °F
August 77.2 °F
June 73.2 °F
Warmest sea temp:
August 70.4 °F
July 67.4 °F
September 67.1 °F
Coldest months:
January 27.6 °F
February 28.5 °F
December 34.3 °F
Rainiest months:
April 2 days
July 2 days
June 2 days
Windiest months:
November 9.9 mph
December 9.8 mph
March 9.8 mph

Mississauga on a weather map

Mississauga
+77°F
NE 13 mph
Feels like: +77°F
Precip.: 9%
Places in Canada:
Name
°F
+59°F
+55°F
+54°F
+70°F
+63°F
+64°F
+61°F
+75°F
+57°F
+66°F
+59°F
+61°F
+61°F
+75°F
24 Hours Forecast
Mississauga
Local time: 13:52
September 15, tuesday
1500
77°F
NE
13 mph
1800
72°F
NE
8 mph
2100
72°F
NE
9 mph
September 16, wednesday
0000
70°F
NE
9 mph
0300
68°F
E
5 mph
0600
66°F
E
4 mph
0900
68°F
S
7 mph
1200
75°F
S
6 mph
Units of measurement: °C / °F