September weather forecastNisku, Canada
September
Weather in September
September, the first month of the autumn in Nisku, is also an enjoyable month, with an average temperature ranging between max 17.1°C (62.8°F) and min 6.6°C (43.9°F).Temperature
During the transition into September, Nisku observes a decrease in the average high-temperature, falling from an agreeable 22.1°C (71.8°F) in August to an enjoyable 17.1°C (62.8°F). Throughout September, an average low-temperature of 6.6°C (43.9°F) is experienced.Humidity
In Nisku, the average relative humidity in September is 66%.Rainfall
In September, in Nisku, the rain falls for 10.1 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 102.9 rainfall days, and 337mm (13.27") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 1.2 snowfall days, it receives 17mm (0.67") of snow. Throughout the year, there are 65.6 snowfall days, and 532mm (20.94") of snow is accumulated.Daylight
In September, the average length of the day in Nisku, Canada, is 12h and 40min.On the first day of September, sunrise is at 6:45 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:12 pm MDT.
Sunshine
In Nisku, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nisku, Canada
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is December (-7°C).
- Average low temperature in September: 6.6°C
The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is February (-14.6°C).
Average pressure in September
Nisku, Canada
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1010.2mbar).
Average wind speed in September
Nisku, Canada
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is April (13.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Nisku, Canada
- Average humidity in September: 66%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is May (62%).
Average rainfall in September
Nisku, Canada
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in September
Nisku, Canada
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (1.4 days).
Average snowfall in September
Nisku, Canada
- Average snowfall in September: 17mm
The month with the highest snowfall is March (89mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Nisku, Canada
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Nisku, Canada
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Nisku, Canada
- Average sunshine days in September: 18 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in September
Nisku, 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, February and March (UV index 1).
Average cloud cover in September
Nisku, Canada
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Nisku, Canada
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are February and March (7km).





