Mild
Average highs are around 21°C, so days are mild rather than hot.
September verdict
Toronto, Ontario, Canada in September
Weather score45Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 73mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
21°C
Rain
73mm
Sun
5.8h
Sea
19°C
Weather score
45
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 73mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Toronto, Ontario, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September21°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September73mm average rain
September is wetter than Toronto's yearly average, so flexible plans matter more.
Driest monthsJanuary to July and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.8 hours average sun
September sits close to Toronto's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September19°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
September45 weather score
September sits close to Toronto's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels in Toronto, Ontario, Canada
Marriott
View all
The Ritz-Carlton, TorontoToronto, Ontario, Canada
The St. Regis TorontoToronto, Ontario, Canada
BISHA, a Luxury Collection Hotel, TorontoToronto, Ontario, Canada
W TorontoToronto, Ontario, Canada
Marriott Downtown at CF Toronto Eaton CentreToronto, Ontario, Canada
Toronto Airport Marriott HotelToronto, Ontario, Canada