Grimsby
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Grimsby, Canada

September, the first month of the autumn, in Grimsby, is still a pleasant month, with temperature in the range of an average high of 21.2°C (70.2°F) and an average low of 12.8°C (55°F).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 25.9°C (78.6°F) in August, to a pleasant 21.2°C (70.2°F). In September, the average low-temperature is 12.8°C (55°F).

Rainfall

The month with the most rainfall in Grimsby is September when the rain falls for 10 days and typically aggregates up to 92.2mm (3.6") of precipitation.

Snowfall

In Grimsby, Canada, it doesn't snow. In October, it regularly snows. Throughout the year, in Grimsby, 1416mm (55.7") of snow is accumulated.

Daylight

In Grimsby, the average length of the day in September is 12.5h.

What is the temperature in September in Grimsby?

In Grimsby, in September, the average high-temperature is 21.2°C (70.2°F), and the average low-temperature is 12.8°C (55°F).

How many days does it rain in September in Grimsby?

In Grimsby, Canada, in September, during 10 rainfall days, 92.2mm (3.6") of precipitation is typically accumulated.

What is the wettest month in Grimsby?

The month with the most rainfall in Grimsby is September when the rain falls for 10 days and typically aggregates up to 92.2mm (3.6") of precipitation.

Does it snow in Grimsby in September?

In Grimsby, Canada, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Grimsby have in September?

In September, the average length of the day in Grimsby is 12.5h.
Average temperature in September - Grimsby, Canada
  • Average high temperature in September: 21.2°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (-1.6°C).

  • Average low temperature in September: 12.8°C

The month with the highest average low temperature is July (17°C).
The coldest month (with the lowest average low temperature) is January (-8.2°C).

Average rainfall in September - Grimsby, Canada
  • Average rainfall in September: 92.2mm

The wettest month (with the highest rainfall) is September (92.2mm).
The driest month (with the lowest rainfall) is January (22.3mm).

Average rainfall days in September - Grimsby, Canada
  • Average rainfall days in September: 10 days

Months with the highest number of rainy days are April, May and October (11 days).
Months with the lowest number of rainy days are January and February (4 days).

Average snowfall in September - Grimsby, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (462mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Grimsby, Canada
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September - Grimsby, Canada
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).