September weather forecastMary's Harbour, Canada
September
Weather in September
September, the first month of the autumn in Mary's Harbour, is still a cool month, with an average temperature ranging between min 6.8°C (44.2°F) and max 12.1°C (53.8°F).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from an enjoyable 16.3°C (61.3°F) in August to a fresh 12.1°C (53.8°F). The average low-temperature, in September, is a chilly 6.8°C (44.2°F).Humidity
With an average relative humidity of 78%, September is the least humid month in Mary's Harbour, Canada.Rainfall
In Mary's Harbour, in September, during 11.2 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 108.4 rainfall days, and 600mm (23.62") of precipitation is accumulated.Snowfall
In Mary's Harbour, snow does not fall in June through September.Daylight
In Mary's Harbour, Canada, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:52 pm NDT.
Sunshine
The average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index in Mary's Harbour is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mary's Harbour, Canada
- Average high temperature in September: 12.1°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (-7.1°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (-14.3°C).
Average pressure in September
Mary's Harbour, Canada
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is January (1005.6mbar).
Average wind speed in September
Mary's Harbour, Canada
- Average wind speed in September: 20.8km/h
The windiest month (with the highest average wind speed) is December (25.5km/h).
The calmest month (with the lowest average wind speed) is August (17.2km/h).
Average humidity in September
Mary's Harbour, Canada
- Average humidity in September: 78%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Mary's Harbour, Canada
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Mary's Harbour, Canada
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Mary's Harbour, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is March (160mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Mary's Harbour, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (16.9 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mary's Harbour, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Mary's Harbour, Canada
- Average sunshine days in September: 18 days
The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in September
Mary's Harbour, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Mary's Harbour, Canada
- Average cloud cover in September: 50
The month with the most cloud cover is March (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 49).
Average visibility in September
Mary's Harbour, Canada
- Average visibility in September: 10km
The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, April and December (8km).
