Measurements:
°C
°F
Montreal
2°F
N 1 mph
Feels like: 2°F
Precip: 0%
World Resorts Canada Montreal Weather September Weather in Montreal

Montreal Weather: September

Average Day Temperature: 71.7°F
Average Night Temperature: 57.2°F
Sea Water Temperature: 68.5°F
Number of Sunny Days: 12 days
Sunshine Hours: 11.7 - 13.3 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.3 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 89°F. The lowest night temperature was 45°F. The average values for day and night temperatures during September were 72.9°F и 58.5°F respectivly.

Montreal Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Montreal was 70.6°F. The maximum and minimum values were 66.6°F and 73.0°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Montreal is 2.3 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 7.2 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Montreal in September is 7.3 hours.

Best Time to Visit Montreal
The most sunny months:
July 14 days
August 14 days
September 12 days
The most warm months:
July 82.1 °F
August 80.1 °F
June 75.0 °F
Warmest sea temperature:
August 74.0 °F
July 73.8 °F
September 68.5 °F
The most cold months:
January 16.2 °F
February 19.2 °F
December 25.5 °F
The most rainy months:
May 6 days
July 6 days
June 5 days
The most windy months:
April 9 mph
March 9 mph
February 9 mph

Montreal on the Weather Map

24 Hours Weather Forecast
Montreal
Local time: 00:07
26 dec, thursday
0300 -2°F
E
2 mph
0600 -2°F
NE
2 mph
0900 -2°F
N
2 mph
1200 6°F
NE
3 mph
1500 12°F
E
1 mph
1800 12°F
N
2 mph
2100 12°F
NW
2 mph
27 dec, friday
0000 10°F
NW
1 mph