Cape Breton Island in september: average Weather, Temperature and Climate
Weather in Cape Breton Island in september 2025
The weather in Cape Breton Island in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
54°F
Clear/Sunny
33% of time
17%
16%
15%
Weather at 12pm
63°F
Clear/Sunny
37% of time
24%
18%
14%
Weather at 6pm
61°F
Clear/Sunny
37% of time
22%
22%
12%
Weather at 3am
54°F
35%
18%
15%
15%
Evolution of daily average temperature and precipitation in Cape Breton Island in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cape Breton Island in september.
The climate of Cape Breton Island in september is good
The weather in september in Cape Breton Island is wet (with 5.4in of rainfall over 7 days). This is better than the previous month since in august it receives an average of 5.9in of precipitation over 7 days.
The climate is fairly fresh there this month, but it is tolerable when dressing cosy. Temperatures are up to 65°F. In the morning the temperature drops to 54°F. Thus, the mean temperature average in september in Cape Breton Island is 59°F. Note that these seasonal averages are in contrast with those observed in Cape Breton Island in september with a maximum record of 81°F in 2010 and a minimum record of 36°F in 2010. You can plan to have about 16 days with temperatures over 65°F, or 53% of time.
On average, in Cape Breton Island, the days of september last 12:32. The sun rises at 05:42 and sunset is at 18:14.
With good weather conditions, september is a good month to go there.
Seasonal average climate and temperature of Cape Breton Island in september
Check below seasonal norms These datas are set from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 81°F (2010) | ||||
| Lowest record temperature | 36°F (2010) | ||||
| Number of days at +65°F | 16 day(s) (53%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 62°F | ||||
| Lowest sea temperature | 56°F | ||||
| Highest sea temperature | 67°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.4in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 3.2in (2012) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.54km | ||||
| Cloud cover | 46% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:42 | ||||
| Time of sunset | 18:14 | ||||
| Length of day | 12:32 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Cape Breton Island in september 2024:
59°F to 72°F
61°F to 67°F
49°F to 59°F
49°F to 65°F
50°F to 74°F
54°F to 70°F
56°F to 65°F
65°F to 70°F
54°F to 61°F
49°F to 67°F
50°F to 59°F
47°F to 65°F
50°F to 74°F
50°F to 61°F
45°F to 63°F
52°F to 74°F
61°F to 70°F
61°F to 76°F
63°F to 65°F
52°F to 58°F
52°F to 54°F
50°F to 54°F
49°F to 56°F
50°F to 56°F
52°F to 54°F
50°F to 54°F
52°F to 54°F
54°F to 56°F
50°F to 56°F
49°F to 58°F
Map: other cities in Canada in september
Cities near Cape Breton Island:
| Sydney in september | good weather |
| Charlottetown in september | good weather |
| Hebron (Prince Edward Island) in september | good weather |
| Halifax in september | good weather |
| Moncton in september | good weather |
| Fundy National Park in september | good weather |
| Miramichi in september | good weather |
| Corner Brook in september | tolerable weather |
| Bathurst in september | good weather |
| Saint John in september | good weather |
| Gros Morne National Park in september | tolerable weather |
| Fredericton in september | good weather |
Click over cities on the map for information about the weather in september.
Cape Breton Island
perfect weather
good
tolerable
bad
very bad
Weather data for Cape Breton Island in september:
Weather data for Cape Breton Island for september are derived from an average of the weather forecast since 2009 in Cape Breton Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cape Breton Island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cape Breton Island.