Toronto residents woke up to a soggy Thursday morning as heavy rain swept across the city, with temperatures lingering around a cool 13°C. The early downpour is expected to taper off by midday, giving way to clearer skies and sunshine by the afternoon.
Environment Canada and other forecast models suggest a noticeable shift in conditions heading into Friday. Daytime highs are projected to climb to a warm 24°C, though there’s a slight chance of scattered showers throughout the day.
The weekend outlook is promising. Saturday is expected to be sunny and pleasant, with temperatures settling at a comfortable 21°C—ideal for outdoor plans. Showers could return to the city on Sunday, with a daytime high of 18°C.
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A look at historical norms for September
September in Toronto is known for its transitional climate, shifting from summer warmth to autumn chill. Historically, the city sees average highs of 22°C and lows around 15°C, with roughly five to eight rainy days throughout the month.
In recent years, early September has often started warmer than average. Last year, September’s average daytime high in Toronto was 22°C with a nighttime low of 17°C.
In September 2023, an average high of 23.4°C was recorded, while 2022 saw 22.2°C. The warmest September on record was in 2002, with an average high of 25.5°C.