Measurements:
°C
°F
CURRENT WEATHER
21:44
Charlottetown
54°F
NW 14 mph
Feels like: 48°F
Precip: 70%
World Resorts Canada Charlottetown Weather

7 Day Weather Forecast

09.28
mon
DAY
62°F
NW 16 mph
precip
15%
NIGHT
54°F
W 14 mph
precip
71%
09.29
tue
DAY
58°F
NW 8 mph
precip
77%
NIGHT
56°F
SW 7 mph
precip
56%
09.30
wed
DAY
60°F
S 9 mph
precip
31%
NIGHT
52°F
S 1 mph
precip
38%
10.01
thu
DAY
66°F
NE 9 mph
precip
8%
NIGHT
60°F
NE 13 mph
precip
26%
10.02
fri
DAY
64°F
NE 11 mph
precip
18%
NIGHT
54°F
E 6 mph
precip
28%
10.03
sat
DAY
52°F
SE 15 mph
precip
3%
NIGHT
40°F
SE 8 mph
precip
6%
10.04
sun
DAY
50°F
E 9 mph
precip
3%
NIGHT
46°F
N 7 mph
precip
18%

Charlottetown Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Charlottetown was 16.9°F. The maximum and minimum values were 14.9°F and 20.3°F respectively.

Charlottetown on the Weather Map

Best Time to Visit Charlottetown
The most sunny months:
August 11 days
July 9 days
May 9 days
The most warm months:
August 75.1 °F
July 74.3 °F
September 66.6 °F
Warmest sea temperature:
August 71.4 °F
July 68.4 °F
September 66.1 °F
The most cold months:
February 22.0 °F
January 22.9 °F
March 30.6 °F
The most rainy months:
November 5 days
September 4 days
April 3 days
The most windy months:
November 14 mph
December 14 mph
January 12 mph
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