Cartwright
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cartwright, Canada

September, the first month of the autumn, in Cartwright, is still a cool month, with average temperature fluctuating between 0°C (32°F) and 11.8°C (53.2°F).

Temperature

In September, the average high-temperature marginally drops, from an enjoyable 16.4°C (61.5°F) in August, to a fresh 11.8°C (53.2°F). In September, the average low-temperature is 0°C (32°F).

Humidity

The least humid month in Cartwright is September, with an average relative humidity of 76%.

Rainfall

In Cartwright, it is raining for 15.7 days, with typically 55mm (2.17") of accumulated precipitation. In Cartwright, during the entire year, the rain falls for 114.7 days and collects up to 679mm (26.73") of precipitation.

Snowfall

January through June, September through December are months with snowfall in Cartwright. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 3mm (0.12") of snow. In Cartwright, Canada, during the entire year, snow falls for 97.9 days, and aggregates up to 1017mm (40.04") of snow.

Sea temperature

In September, the average sea temperature in Cartwright is 5°C (41°F).
Note: Swimming in 5°C (41°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in September is 12.7h.

Sunshine

In September, the average sunshine is 6.7h.

UV index

The average daily maximum UV index in Cartwright is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in September in Cartwright?

In September, the average high-temperature is 11.8°C (53.2°F), and the average low-temperature is 0°C (32°F).

What is the least humid month in Cartwright?

The least humid month in Cartwright, Canada, is September, with an average relative humidity of 76%.

What is the average humidity in September in Cartwright?

In Cartwright, the average relative humidity in September is 76%.

How many days does it rain in September in Cartwright?

In Cartwright, in September, during 15.7 rainfall days, 55mm (2.17") of precipitation is typically accumulated.

When does it start snowing in Cartwright?

September is the first month it typically snows in Cartwright. Throughout September, in the average 0.7 snowfall days, it receives 3mm (0.12") of snow.

How cold is the water in September in Cartwright?

In September, the average sea temperature is 5°C (41°F). Swimming in 5°C (41°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in September in Cartwright?

In Cartwright, the average length of the day in September is 12.7h.

How many hours of sunshine does Cartwright have in September?

In September, the average sunshine is 6.7h.

What is the UV index reading in September in Cartwright?

The average daily maximum UV index in September in Cartwright is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in September - Cartwright, Canada
  • Average high temperature in September: 11.8°C

The warmest month (with the highest average high temperature) is August (16.4°C).
Months with the lowest average high temperature are January and February (-9.3°C).

  • Average low temperature in September: 0°C

Months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (0°C).
Coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (0°C).

Average humidity in September - Cartwright, Canada
  • Average humidity in September: 76%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is September (76%).

Average rainfall in September - Cartwright, Canada
  • Average rainfall in September: 55mm

The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the lowest rainfall) is April (40mm).

Average rainfall days in September - Cartwright, Canada
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is July (16.6 days).
The month with the lowest number of rainy days is February (1.7 days).

Average snowfall in September - Cartwright, Canada
  • Average snowfall in September: 3mm

The month with the highest snowfall is November (170mm).
Months with the lowest snowfall are July and August (0mm).

Average snowfall days in September - Cartwright, Canada
  • Average snowfall days in September: 0.7 days

The month with the highest number of snowfall days is December (15.2 days).
Months with the lowest number of snowfall days are July and August (0 days).

Average sea temperature in September - Cartwright, Canada
  • Average sea temperature in September: 5°C

The best month for swimming (with the highest average sea temperature) is August (7°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (-1°C).

Average daylight in September / Average sunshine in September - Cartwright, Canada
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17h).
The month with shortest days is December (Average daylight: 7.5h).

  • Average sunshine in September: 6.7h

The month with most sunshine is August (Average sunshine: 7.8h).
The month with least sunshine is February (Average sunshine: 3h).

Average UV index in September - Cartwright, Canada
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 4).
Months with the lowest UV index are January, February, March and April (UV index 1).