World Resorts Canada Montreal Weather

Montreal weather in September

Weather in Montreal: September

Average day temperature: 69.4°F
Average night temperature: 56.4°F
Sea water temperature: 66.5°F
Number of sunny days: 13 days
Day length: 11.7 - 13.3 hours
Number of rainy days: 4 days
Precipitation totals: 2.4 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 93°F. At the same time the lowest night temperature was 46°F. Day and night temperature averages during September were 73.6°F and 58.0°F.

Sea water temperature in Montreal in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 69.7°F. The highest and lowest sea temperatures during the month were 76.8°F and 64.2°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Montreal in September is 2.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.9 mph It makes September lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.2.

Best time for vacation in Montreal

Sunniest months:
July 14 days
August 14 days
September 13 days
Warmest months:
July 79.1 °F
August 77.4 °F
June 72.6 °F
Warmest sea temp:
August 71.4 °F
July 71.2 °F
September 66.5 °F
Coldest months:
January 19.6 °F
February 22.2 °F
December 27.9 °F
Rainiest months:
May 6 days
June 6 days
July 6 days
Windiest months:
April 9.7 mph
March 9.1 mph
February 9.1 mph

Montreal on a weather map

Montreal
+46°F
S 8 mph
Feels like: +43°F
Precip.: 0%
Places in Canada:
Name
°F
+45°F
+45°F
+41°F
+43°F
+27°F
+43°F
+46°F
+41°F
+55°F
+45°F
+36°F
+39°F
+34°F
+54°F
24 Hours Forecast
Montreal
Local time: 00:47
April 29, monday
0300
43°F
S
5 mph
0600
41°F
S
6 mph
0900
45°F
SW
8 mph
1200
52°F
SW
7 mph
1500
57°F
SW
7 mph
1800
57°F
SW
6 mph
2100
54°F
W
5 mph
April 30, tuesday
0000
50°F
SW
8 mph
Units of measurement: °C / °F