Weather in September
Temperature
The shift from August to September includes a small decrease in the average high-temperature, from an agreeable 21°C (69.8°F) to a comfortable 17.8°C (64°F). The average temperature drops to a frosty 7.7°C (45.9°F) during the night in the month of September.Rainfall
In Grand Manan, during September, the rain falls for 15.6 days and regularly aggregates up to 113mm (4.45") of precipitation. Throughout the year, there are 153.8 rainfall days, and 1083mm (42.64") of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:03 pm. On the last day of September, in Grand Manan, sunrise is at 7:24 am and sunset at 7:09 pm ADT.
Frequently asked questions
What is the usual temperature for Grand Manan in September?
How much does it rain in Grand Manan in September?
When it does not snow in Grand Manan?
How many hours of daylight does Grand Manan have in September?
When are sunrise and sunset in September in Grand Manan?
Average temperature in September
Grand Manan, Canada
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (21°C).
The months with the lowest average high temperature are January and February (-0.3°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is August (11.1°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average rainfall in September
Grand Manan, Canada
- Average rainfall in September: 112.7mm
The wettest month (with the highest rainfall) is November (127.8mm).
The driest month (with the least rainfall) is February (52.7mm).
Average rainfall days in September
Grand Manan, Canada
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Grand Manan, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (495mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Grand Manan, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September
Grand Manan, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
Grand Manan, Canada
Weather forecast for your location
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