September weather forecastBlackfalds, Canada
September
Weather in September
September, the first month of the autumn in Blackfalds, is also an enjoyable month, with an average temperature fluctuating between 6.2°C (43.2°F) and 17°C (62.6°F).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's pleasant 21.5°C (70.7°F) to a comfortable 17°C (62.6°F). An average low-temperature of 6.2°C (43.2°F) marks the nights throughout September.Humidity
In Blackfalds, Canada, the average relative humidity in September is 66%.Rainfall
In Blackfalds, in September, it is raining for 10.9 days, with typically 25mm (0.98") of accumulated precipitation. In Blackfalds, during the entire year, the rain falls for 117.1 days and collects up to 381mm (15") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 2.1 snowfall days, it receives 27mm (1.06") of snow. Throughout the year, there are 80.8 snowfall days, and 686mm (27.01") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 6:47 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:13 pm MDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Blackfalds, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during September translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blackfalds, Canada
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is December (-6.3°C).
- Average low temperature in September: 6.2°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-13.6°C).
Average pressure in September
Blackfalds, Canada
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1010.4mbar).
Average wind speed in September
Blackfalds, Canada
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is April (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Blackfalds, Canada
- Average humidity in September: 66%
The months with the highest relative humidity are February and March (88%).
The month with the lowest relative humidity is May (64%).
Average rainfall in September
Blackfalds, Canada
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (81mm).
The driest months (with the least rainfall) are February and December (11mm).
Average rainfall days in September
Blackfalds, Canada
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Blackfalds, Canada
- Average snowfall in September: 27mm
The month with the highest snowfall is November (116mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Blackfalds, Canada
- Average snowfall days in September: 2.1 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Blackfalds, 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: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Blackfalds, Canada
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in September
Blackfalds, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Blackfalds, Canada
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Blackfalds, Canada
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April and December (8km).
