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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





