Grand Manan
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Grand Manan, Canada

September, the first month of the autumn, in Grand Manan, is still a comfortable month, with average temperature varying between 7.7°C (45.9°F) and 17.8°C (64°F).

Temperature

In September, the average high-temperature slightly decreases, from a pleasant 21°C (69.8°F) in August, to an enjoyable 17.8°C (64°F). In September, the average low-temperature is 7.7°C (45.9°F).

Rainfall

In Grand Manan, during 15.6 rainfall days, 112.7mm (4.4") of precipitation is typically accumulated. Throughout the year, there are 153.8 rainfall days, and 1083.1mm (42.6") of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In September, the average length of the day in Grand Manan, Canada, is 12.5h.

What is the temperature in September in Grand Manan?

In Grand Manan, Canada, in September, the average high-temperature is 17.8°C (64°F), and the average low-temperature is 7.7°C (45.9°F).

How many days does it rain in September in Grand Manan?

In Grand Manan, Canada, during September, the rain falls for 15.6 days and regularly aggregates up to 112.7mm (4.4") of precipitation.

When it does not snow in Grand Manan?

June through October are months without snowfall in Grand Manan, Canada.

What is the average length of the day in September in Grand Manan?

The average length of the day in September in Grand Manan, Canada, is 12.5h.
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).
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 lowest 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 lowest number of 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).
Months with the lowest 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).
Months with the lowest number of snowfall days are June, July, August, September and October (0 days).

Average daylight in September - Grand Manan, Canada
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).