September weather forecastDeer Harbour, Canada

September

Weather in September

September, the first month of the autumn in Deer Harbour, is still a mild month, with an average temperature fluctuating between 11°C (51.8°F) and 15.2°C (59.4°F).

Temperature

The advent of September observes an average high-temperature of a mild 15.2°C (59.4°F), nearly identical to August's 18°C (64.4°F). Deer Harbour consistently logs a low temperature averaging a fresh 11°C (51.8°F) during September, a modest drop from daytime temperatures.

Humidity

The months with the lowest humidity are September through December, with an average relative humidity of 82%.

Rainfall

In Deer Harbour, in September, it is raining for 13.6 days, with typically 53mm (2.09") of accumulated precipitation. In Deer Harbour, during the entire year, the rain falls for 160.6 days and collects up to 791mm (31.14") of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:45 pm NDT.

Sunshine

In September, the average sunshine is 7.6h.

UV index

The average daily maximum UV index in September in Deer Harbour is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

September temperatures vary between a high-temperature of 15.2°C (59.4°F) and a low-temperature of 11°C (51.8°F).

September through December, with an average relative humidity of 82%, are the least humid months.

In September, the average relative humidity is 82%.

In Deer Harbour, in September, during 13.6 rainfall days, 53mm (2.09") of precipitation is typically accumulated.

In Deer Harbour, snow does not fall in June through October.

In September, the average day length is 12h and 34min.

On the first day of September, sunrise is at 6:23 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:45 pm NDT.

The average sunshine duration in September is 7.6h.

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Deer Harbour, Canada

  • Average high temperature in September: 15.2°C

The warmest month (with the highest average high temperature) is August (18°C).
The month with the lowest average high temperature is February (-0.8°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-4.8°C).

Average pressure in September
Deer Harbour, Canada

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is February (1008.4mbar).

Average wind speed in September
Deer Harbour, Canada

  • Average wind speed in September: 23.1km/h

The windiest month (with the highest average wind speed) is February (30.5km/h).
The calmest month (with the lowest average wind speed) is June (19.9km/h).

Average humidity in September
Deer Harbour, Canada

  • Average humidity in September: 82%

The months with the highest relative humidity are June and July (86%).
The months with the lowest relative humidity are September, October, November and December (82%).

Average rainfall in September
Deer Harbour, Canada

  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is August (47mm).

Average rainfall days in September
Deer Harbour, Canada

  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is October (17.1 days).
The month with the least rainy days is February (8 days).

Average snowfall in September
Deer Harbour, Canada

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Deer Harbour, Canada

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Deer Harbour, Canada

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 7h and 36min

The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

Average sunshine days in September
Deer Harbour, Canada

  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is August (13.7 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in September
Deer Harbour, Canada

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).

Average cloud cover in September
Deer Harbour, Canada

  • Average cloud cover in September: 47

The months with the most cloud cover are January and February (Cloud cover 70).
The months with the least cloud cover are August and September (Cloud cover 47).

Average visibility in September
Deer Harbour, Canada

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).