September weather forecastSault Ste. Marie, Canada
September
Weather in September
September, the first month of the autumn in Sault Ste. Marie, is also an enjoyable month, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 8.9°C (48°F).Temperature
As Sault Ste. Marie, Canada, enters September, the average high-temperature subtly lowers from the an agreeable 22.8°C (73°F) of August to a refreshing 18.7°C (65.7°F). During the month of September, the temperature in Sault Ste. Marie falls to an average of 8.9°C (48°F).Humidity
In September, the average relative humidity in Sault Ste. Marie is 82%.Rainfall
In Sault Ste. Marie, during September, the rain falls for 11.3 days and regularly aggregates up to 51mm (2.01") of precipitation. In Sault Ste. Marie, during the entire year, the rain falls for 123.6 days and collects up to 567mm (22.32") of precipitation.Snowfall
June through September are months without snowfall in Sault Ste. Marie, Canada.Sea temperature
In Sault Ste. Marie, the average seawater temperature in September is 17.4°C (63.3°F).Note: The majority find it unenjoyable to swim in 17.4°C (63.3°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).
Daylight
In September, the average length of the day in Sault Ste. Marie is 12h and 32min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:15 pm. On the last day of September, in Sault Ste. Marie, Canada, sunrise is at 7:35 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine in Sault Ste. Marie, Canada, is 7.3h.UV index
The average daily maximum UV index in September in Sault Ste. Marie is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sault Ste. Marie, Canada
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is February (-13.4°C).
Average pressure in September
Sault Ste. Marie, Canada
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is March (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).
Average wind speed in September
Sault Ste. Marie, Canada
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is April (12.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in September
Sault Ste. Marie, Canada
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Sault Ste. Marie, Canada
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is October (80mm).
The driest months (with the least rainfall) are January and February (38mm).
Average rainfall days in September
Sault Ste. Marie, Canada
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is October (16 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Sault Ste. Marie, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (250mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sault Ste. Marie, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Sault Ste. Marie, Canada
- Average sea temperature in September: 17.4°C
The best month for swimming (with the highest average sea temperature) is August (19°C).
The coldest month (with the lowest average sea temperature) is March (0.4°C).
Average daylight in September /
Average sunshine in September
Sault Ste. Marie, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Sault Ste. Marie, Canada
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is January (7.7 days).
Average UV index in September
Sault Ste. Marie, Canada
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Sault Ste. Marie, Canada
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Sault Ste. Marie, Canada
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January and February (6km).





