15.09
tue
tue
Day
59°F
N 14 mph
Precip.
18%
18%
Night
68°F
E 11 mph
Precip.
18%
18%
16.09
wed
wed
Day
64°F
SE 8 mph
Precip.
12%
12%
Night
57°F
S 2 mph
Precip.
21%
21%
17.09
thu
thu
Day
63°F
E 1 mph
Precip.
14%
14%
Night
57°F
SE 6 mph
Precip.
13%
13%
18.09
fri
fri
Day
59°F
SW 8 mph
Precip.
10%
10%
Night
52°F
W 6 mph
Precip.
13%
13%
19.09
sat
sat
Day
55°F
NW 12 mph
Precip.
16%
16%
Night
52°F
W 6 mph
Precip.
31%
31%
20.09
sun
sun
Day
64°F
SW 8 mph
Precip.
10%
10%
Night
55°F
SW 7 mph
Precip.
16%
16%
21.09
mon
mon
Day
55°F
W 11 mph
Precip.
12%
12%
Night
54°F
W 14 mph
Precip.
12%
12%
22.09
tue
tue
Day
55°F
W 14 mph
Precip.
61%
61%
Night
64°F
NE 6 mph
Precip.
51%
51%
23.09
wed
wed
Day
63°F
E 11 mph
Precip.
28%
28%
Night
59°F
N 6 mph
Precip.
67%
67%
24.09
thu
thu
Day
57°F
E 16 mph
Precip.
22%
22%
Night
50°F
SE 16 mph
Precip.
49%
49%
25.09
fri
fri
Day
50°F
SE 17 mph
Precip.
33%
33%
Night
48°F
NE 2 mph
Precip.
9%
9%
26.09
sat
sat
Day
55°F
NE 6 mph
Precip.
11%
11%
Night
55°F
N 6 mph
Precip.
10%
10%
27.09
sun
sun
Day
70°F
NE 7 mph
Precip.
11%
11%
Night
61°F
N 7 mph
Precip.
20%
20%
28.09
mon
mon
Day
75°F
NE 13 mph
Precip.
11%
11%
Night
68°F
N 9 mph
Precip.
34%
34%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 69.7°F. The highest and lowest sea temperatures during the month were 70.3°F and 68.7°F.
Air temperature in Barrie, °F
Precipitation total in Barrie, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Barrie
Barrie on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Barrie
Local time: 13:51
September 15, tuesday
1500
68°F
N
14 mph
14 mph
1800
63°F
N
15 mph
15 mph
2100
66°F
N
7 mph
7 mph
September 16, wednesday
0000
68°F
E
11 mph
11 mph
0300
66°F
E
6 mph
6 mph
0600
61°F
SE
7 mph
7 mph
0900
59°F
S
7 mph
7 mph
1200
64°F
SE
8 mph
8 mph
