Montreal, Canada
Weather by months in Montreal
January
February
March
April
May
June
July
August
September
October
November
December
20ºC
Avg. daily temperature
25ºC
High
8ºC
Low
70 mm
Total precipitation
70%
Avg. humidity
4m/s
Avg. wind
10 
Sunny days
8 
Cloudy days
6 
Rainy days
Air temperature
September
The temperature is between 10 and 19 degrees Celsius.
Low10º19ºHigh
1.9The temperature is between 11 and 20 degrees Celsius.
Low11º20ºHigh
4.9The temperature is between 12 and 21 degrees Celsius.
Low12º21ºHigh
7.9The temperature is between 13 and 22 degrees Celsius.
Low13º22ºHigh
10.9The temperature is between 12 and 21 degrees Celsius.
Low12º21ºHigh
13.9The temperature is between 11 and 19 degrees Celsius.
Low11º19ºHigh
16.9The temperature is between 12 and 20 degrees Celsius.
Low12º20ºHigh
18.9The temperature is between 11 and 19 degrees Celsius.
Low11º19ºHigh
20.9The temperature is between 10 and 18 degrees Celsius.
Low10º18ºHigh
22.9The temperature is between 9 and 17 degrees Celsius.
Low9º17ºHigh
24.9The temperature is between 10 and 19 degrees Celsius.
Low10º19ºHigh
26.9The temperature is between 9 and 18 degrees Celsius.
Low9º18ºHigh
28.9In Montreal, September has a maximum daytime temperature of around 25ºC and a minimum nighttime temperature of 8ºC. The average daily high is about 20ºC, while the average nightly low drops to 11ºC. This month is ideal for exploring the historic streets of Old Montreal and enjoying the fall colors at Mont-Royal.
