Weather in Prince Edward Island: September
 |
Average day temperature: | 64.6°F |
| Average night temperature: | 57.0°F | |
 |
Sea water temperature: | 64.1°F |
 |
Number of sunny days: | 11 days |
| Day length: | 11.7 - 13.3 hours | |
 |
Number of rainy days: | 2 days |
| Precipitation totals: | 1.5 in. | |
| more information | ||
forecast
| Prince Edward Island |
temperature
| Prince Edward Island |
Air temperature in September, °F
The highest day temperature during September of 2025 was 74°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during September were 66.8°F and 55.3°F.
Sea water temperature in Prince Edward Island in September, °F
The average sea water temperature in September of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 68.0°F and 60.6°F.
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Prince Edward Island in September is 1.5 in. Other months of the year show relatively similar values.
The average wind speed value in September is 12.0 mph It makes September one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.7.
Best time for vacation in Prince Edward Island
Prince Edward Island on a weather map
27 mph
25 mph
23 mph
23 mph
21 mph
18 mph
16 mph
12 mph
