Cape Dorset
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cape Dorset, Canada

The first month of the autumn, September, is still a cold month in Cape Dorset, Canada, with average temperature varying between -0.4°C (31.3°F) and 4°C (39.2°F).

Temperature

In Cape Dorset, the average high-temperature in September drops, from a frosty 9.1°C (48.4°F) in August, to a cold 4°C (39.2°F). In Cape Dorset, the average low-temperature is -0.4°C (31.3°F).

Humidity

In Cape Dorset, the average relative humidity is 81.7%.

Rainfall

In Cape Dorset, it is raining for 10.6 days, with typically 35.7mm (1.4") of accumulated precipitation. Throughout the year, in Cape Dorset, there are 47.7 rainfall days, and 158mm (6.2") of precipitation is accumulated.

Snowfall

Months with snowfall in Cape Dorset are January through December. In Cape Dorset, during 6.9 snowfall days, 132mm (5.2") of snow is typically accumulated. In Cape Dorset, during the entire year, snow falls for 143.6 days, and aggregates up to 2906mm (114.4") of snow.

Sea temperature

In September, the average sea temperature in Cape Dorset is 2°C (35.6°F).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In September, the average length of the day is 13h.

Sunshine

In September, the average sunshine in Cape Dorset is 2.9h.

UV index

The average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in September in Cape Dorset?

The average high-temperature, in September, in Cape Dorset, is 4°C (39.2°F), while the average low-temperature is -0.4°C (31.3°F).

What is the average humidity in September in Cape Dorset?

In Cape Dorset, the average relative humidity in September is 81.7%.

How much does it rain in Cape Dorset in September?

In Cape Dorset, Canada, in September, it is raining for 10.6 days, with typically 35.7mm (1.4") of accumulated precipitation.

How much does it snow in Cape Dorset in September?

In Cape Dorset, in September, snow falls for 6.9 days, with typically accumulated 132mm (5.2") of snow.

What is the sea temperature in September in Cape Dorset?

In September, the average sea temperature is 2°C (35.6°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Cape Dorset have in September?

In Cape Dorset, Canada, the average length of the day in September is 13h.

How many hours of sunshine does Cape Dorset have in September?

The average sunshine in September is 2.9h.

What is the UV index reading in September in Cape Dorset?

In September, the average daily maximum UV index in Cape Dorset is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Cape Dorset, Canada
  • Average high temperature in September: 4°C

The warmest month (with the highest average high temperature) is July (11.8°C).
The month with the lowest average high temperature is February (-22.2°C).

  • Average low temperature in September: -0.4°C

The month with the highest average low temperature is July (3.7°C).
The coldest month (with the lowest average low temperature) is February (-28.7°C).

Average humidity in September - Cape Dorset, Canada
  • Average humidity in September: 81.7%

The month with the highest relative humidity is October (84.1%).
The month with the lowest relative humidity is February (68%).

Average rainfall in September - Cape Dorset, Canada
  • Average rainfall in September: 35.7mm

The wettest month (with the highest rainfall) is August (52.1mm).
Driest months (with the lowest rainfall) are January, February, March, November and December (0mm).

Average rainfall days in September - Cape Dorset, Canada
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is August (13.3 days).
Months with the lowest number of rainy days are January, February, March and December (0 days).

Average snowfall in September - Cape Dorset, Canada
  • Average snowfall in September: 132mm

The month with the highest snowfall is November (506mm).
The month with the lowest snowfall is July (2mm).

Average snowfall days in September - Cape Dorset, Canada
  • Average snowfall days in September: 6.9 days

The month with the highest number of snowfall days is November (19.8 days).
The month with the lowest number of snowfall days is July (0.1 days).

Average sea temperature in September - Cape Dorset, Canada
  • Average sea temperature in September: 2°C

The best month for swimming (with the highest average sea temperature) is August (3°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (-2°C).

Average daylight in September / Average sunshine in September - Cape Dorset, Canada
  • Average daylight in September: 13h

The month with the longest days is June (Average daylight: 20.9h).
The month with shortest days is December (Average daylight: 4.3h).

  • Average sunshine in September: 2.9h

The month with most sunshine is July (Average sunshine: 8.8h).
The month with least sunshine is December (Average sunshine: 0h).

Average UV index in September - Cape Dorset, Canada
  • Average UV index in September: 2

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 0).