September weather forecastStrathclair, Canada
September
Weather in September
September, the first month of the autumn in Strathclair, is still a comfortable month, with an average temperature fluctuating between 8.6°C (47.5°F) and 19.4°C (66.9°F).Temperature
During the transition into September, Strathclair observes a decrease in the average high-temperature, falling from a warm 25.4°C (77.7°F) in August to a comfortable 19.4°C (66.9°F). Throughout September, an average low-temperature of 8.6°C (47.5°F) is experienced in Strathclair.Humidity
May, August and September, with an average relative humidity of 62%, are the least humid months.Rainfall
In Strathclair, during September, the rain falls for 6.7 days and regularly aggregates up to 27mm (1.06") of precipitation. In Strathclair, Canada, during the entire year, the rain falls for 78.2 days and collects up to 277mm (10.91") of precipitation.Snowfall
January through May, September through December are months with snowfall in Strathclair. September is the first month it typically snows in Strathclair. Throughout September, in the average 0.1 snowfall days, it receives 5mm (0.2") of snow. In Strathclair, during the entire year, snow falls for 76.6 days and aggregates up to 544mm (21.42") of snow.Daylight
In Strathclair, the average length of the day in September is 12h and 36min.On the first day of September in Strathclair, sunrise is at 6:57 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:21 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during September translates into the following guidance:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Strathclair, Canada
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (-10.8°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-18.4°C).
Average pressure in September
Strathclair, Canada
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is February (1021.6mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).
Average wind speed in September
Strathclair, Canada
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is October (16km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).
Average humidity in September
Strathclair, Canada
- Average humidity in September: 62%
The months with the highest relative humidity are January, February and December (91%).
The months with the lowest relative humidity are May, August and September (62%).
Average rainfall in September
Strathclair, Canada
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Strathclair, Canada
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Strathclair, Canada
- Average snowfall in September: 5mm
The month with the highest snowfall is November (110mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Strathclair, Canada
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Strathclair, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Strathclair, Canada
- Average sunshine days in September: 22.2 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in September
Strathclair, Canada
- Average UV index in September: 3
The months with the highest UV index are June, 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
Strathclair, Canada
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Strathclair, Canada
- Average visibility in September: 10km
The months with the highest visibility are May, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).





