Weather in September in Montreal, Quebec

< September >
	Normal Max/ High Temperature	20°C (68°F)
	Average Temperature	14°C (58°F)
	Min/ Low Temperature	8°C (47°F)
	Normal Precipitation	90mm (3.5in)
	Number of Wet Days (probability of rain on a day)	13 (43%)
	Average Sunlight per day	05h 23'
	Average Daylight per day	12h 29'
	Sunny (Cloudy) Daylight Hours	44% (56%)
	Sun altitude at solar noon on the 21st day.	45°

• The average temperature in Montreal, Quebec in September is mild at 14.2 °C (57.56 °F).
• Afternoons can be warm with average high temperatures reaching 19.9 °C (67.8 °F).
• Overnight temperatures are generally a little cool with an average low of 8.4 °C (47.1 °F).
• The range/ variation of daily average temperatures in September is 11.5 °C (20.7 °F).
• Precipitation averages for September are high with 90.1mm (3.5 in) recorded across 13 days.
• The heavens above Montreal, Quebec are slightly fair with on average an unexceptional 5h 23' of intense sunlight daily.
• The shortest day is 11h 41' long and the longest day is 13h 16' long with an average length of 12h 29'.
• There are approximately 6h 54' per day when the sun is occluded by cloud, haze, fog etc.
• It is sunny approximately 43.8% of daylight hours and cloudy 56.2% of daylight hours.

Weather Trend Graph for September in Montreal, Quebec, Canada