Weather in Toronto in September
In an average September, Toronto sees a daily high around 21°C and a low around 15°C, based on 1980–2026 of local climate records.
| Average high | 21°C |
|---|---|
| Typical high range | 16°C to 25°C |
| Average low | 15°C |
| Typical low range | 10°C to 19°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
31°C
2013-09-10
Lowest
9°C
1993-09-29
Low
Highest
23°C
2018-09-02
Lowest
4°C
1993-09-30
Feels-like
Highest
34°C
2013-09-10
Lowest
0°C
1993-09-30
Humidity
Highest
19.7 g/m³
1985-09-07
Lowest
4.4 g/m³
2000-09-28
Wind
Highest
40 km/h
2003-09-19
Lowest
6 km/h
1993-09-17
Gust
Highest
92 km/h
2003-09-27
Lowest
16 km/h
1993-09-17
Precip
Wettest
157 mm
1986
Driest
19 mm
2023
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