16th - 19th
20th - 23rd
Unsettled, wet, followed by clearing skies.
24th - 27th
Thunderstorms: heavy-to-severe activity sweeps into western Ontario; remaining fair farther east.
28th - 31st
Clearing for western Ontario; heavy thunderstorm activity sweeps over central and eastern regions.
1st - 3rd
Showery conditions are followed by clearing skies.
4th - 7th
Generally clear and pleasant conditions for Labour Day.
8th - 11th
Thunderstorms, followed by improving weather.
12th - 15th