Alert
Canada
Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Alert, Canada

  • Average high temperature in September: -5.3°C

Warmest month (with highest average high temperature) is July (6.1°C).
Month with lowest average high temperature is February (-29.4°C).

  • Average low temperature in September: -11.5°C

Month with highest average low temperature is July (0.7°C).
Coldest month (with lowest average low temperature) is February (-37°C).

  • Average humidity in September: 84.6%

Month with highest relative humidity is June (87.1%).
Month with lowest relative humidity is February (66.6%).

  • Average rainfall in September: 0.1mm

Wettest month (with highest rainfall) is July (13mm).
Driest months (with lowest rainfall) are January, February, March, April, May, October, November and December (0mm).

  • Average rainfall days in September: 0.2 days

Month with highest number of rainy days is July (6.9 days).
Months with lowest number of rainy days are January, February, March, April, October, November and December (0 days).

  • Average snowfall in September: 331mm

Month with highest snowfall is September (331mm).
Month with lowest snowfall is February (81mm).

  • Average snowfall days in September: 11.3 days

Month with highest number of snowfall days is October (12.2 days).
Month with lowest number of snowfall days is July (6.3 days).

  • Average sunshine in September: 3.7h

Month with most sunshine is May (Average sunshine: 13.8).
Months with least sunshine are January, February, November and December (Average sunshine: 0).

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