Dease Lake
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Dease Lake, Canada

The first month of the autumn, September, is still a cool month in Dease Lake, Canada, with average temperature ranging between max 12.9°C (55.2°F) and min 1.5°C (34.7°F).

Temperature

In Dease Lake, the average high-temperature in September drops, from an enjoyable 18.1°C (64.6°F) in August, to a cool 12.9°C (55.2°F). The average low-temperature, in Dease Lake, Canada, is 1.5°C (34.7°F).

Humidity

The average relative humidity in September is 58.3%.

Rainfall

In Dease Lake, it is raining for 15.8 days, with typically 50.5mm (2") of accumulated precipitation. Throughout the year, there are 88.8 rainfall days, and 280.1mm (11") of precipitation is accumulated.

Snowfall

January through June, August through December are months with snowfall. In September, it is snowing for 1.2 days. Throughout September, 21mm (0.8") of snow is accumulated. In Dease Lake, during the entire year, snow falls for 78.7 days, and aggregates up to 2127mm (83.7") of snow.

Daylight

In September, the average length of the day in Dease Lake is 12.8h.

Sunshine

In Dease Lake, the average sunshine in September is 3.9h.

What is the temperature in September in Dease Lake?

The average high-temperature, in September, in Dease Lake, is 12.9°C (55.2°F), while the average low-temperature is 1.5°C (34.7°F).

What is the average humidity in September in Dease Lake?

In September, the average relative humidity in Dease Lake is 58.3%.

How much does it rain in Dease Lake in September?

In Dease Lake, Canada, in September, during 15.8 rainfall days, 50.5mm (2") of precipitation is typically accumulated.

How many days does it snow in September in Dease Lake?

In September, it is snowing for 1.2 days. Throughout September, 21mm (0.8") of snow is accumulated.

What is the average length of the day in September in Dease Lake?

The average length of the day in September in Dease Lake is 12.8h.

How many hours of sunshine does Dease Lake have in September?

The average sunshine in September in Dease Lake is 3.9h.
Average temperature in September - Dease Lake, Canada
  • Average high temperature in September: 12.9°C

The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (-11.7°C).

  • Average low temperature in September: 1.5°C

The month with the highest average low temperature is July (6.4°C).
The coldest month (with the lowest average low temperature) is January (-20.4°C).

Average humidity in September - Dease Lake, Canada
  • Average humidity in September: 58.3%

The month with the highest relative humidity is December (83.3%).
The month with the lowest relative humidity is April (42.8%).

Average rainfall in September - Dease Lake, Canada
  • Average rainfall in September: 50.5mm

The wettest month (with the highest rainfall) is July (66.6mm).
The driest month (with the lowest rainfall) is February (0.1mm).

Average rainfall days in September - Dease Lake, Canada
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is July (17.6 days).
Months with the lowest number of rainy days are January and February (0.2 days).

Average snowfall in September - Dease Lake, Canada
  • Average snowfall in September: 21mm

The month with the highest snowfall is January (450mm).
The month with the lowest snowfall is July (0mm).

Average snowfall days in September - Dease Lake, Canada
  • Average snowfall days in September: 1.2 days

The month with the highest number of snowfall days is November (13.8 days).
Months with the lowest number of snowfall days are July and August (0.1 days).

Average daylight in September / Average sunshine in September - Dease Lake, Canada
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.3h).
The month with shortest days is December (Average daylight: 6.4h).

  • Average sunshine in September: 3.9h

The month with most sunshine is June (Average sunshine: 7.3h).
The month with least sunshine is December (Average sunshine: 1.2h).