15.09
tue
tue
Day
61°F
S 11 mph
Precip.
4%
4%
Night
50°F
NW 4 mph
Precip.
30%
30%
16.09
wed
wed
Day
61°F
NE 12 mph
Precip.
18%
18%
Night
57°F
NE 11 mph
Precip.
13%
13%
17.09
thu
thu
Day
61°F
SW 7 mph
Precip.
18%
18%
Night
50°F
W 5 mph
Precip.
30%
30%
18.09
fri
fri
Day
61°F
E 13 mph
Precip.
67%
67%
Night
50°F
SE 22 mph
Precip.
15%
15%
19.09
sat
sat
Day
50°F
SE 15 mph
Precip.
25%
25%
Night
41°F
NE 2 mph
Precip.
6%
6%
20.09
sun
sun
Day
55°F
NE 13 mph
Precip.
17%
17%
Night
50°F
NE 12 mph
Precip.
15%
15%
21.09
mon
mon
Day
55°F
SE 13 mph
Precip.
7%
7%
Night
45°F
S 7 mph
Precip.
22%
22%
22.09
tue
tue
Day
55°F
S 11 mph
Precip.
12%
12%
Night
43°F
NE 2 mph
Precip.
24%
24%
23.09
wed
wed
Day
57°F
NE 9 mph
Precip.
15%
15%
Night
54°F
NE 7 mph
Precip.
23%
23%
24.09
thu
thu
Day
59°F
NW 16 mph
Precip.
60%
60%
Night
63°F
N 15 mph
Precip.
52%
52%
25.09
fri
fri
Day
64°F
N 15 mph
Precip.
57%
57%
Night
55°F
NE 17 mph
Precip.
39%
39%
26.09
sat
sat
Day
48°F
E 24 mph
Precip.
32%
32%
Night
46°F
E 11 mph
Precip.
7%
7%
27.09
sun
sun
Day
57°F
E 13 mph
Precip.
9%
9%
Night
46°F
SE 7 mph
Precip.
31%
31%
28.09
mon
mon
Day
57°F
S 9 mph
Precip.
14%
14%
Night
48°F
W 7 mph
Precip.
24%
24%
sea water
temperature
temperature
| Charlottetown |
monthly
weather
weather
| Charlottetown |
current
weather
weather
| Charlottetown |
7 days
forecast
forecast
| Charlottetown |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 64.4°F. The highest and lowest sea temperatures during the month were 68.5°F and 60.4°F.
Air temperature in Charlottetown, °F
Precipitation total in Charlottetown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Charlottetown
Charlottetown on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Charlottetown
Local time: 14:55
September 15, tuesday
1500
61°F
SW
8 mph
8 mph
1800
57°F
SW
7 mph
7 mph
2100
50°F
W
6 mph
6 mph
September 16, wednesday
0000
50°F
NW
4 mph
4 mph
0300
52°F
N
6 mph
6 mph
0600
52°F
NE
6 mph
6 mph
0900
57°F
NE
9 mph
9 mph
1200
61°F
NE
12 mph
12 mph
