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September weather forecast in Montreal

Average data for 10 years

  • 31 August, Sunday. morning, 23°; night, 15°; ; Feels like +18°; Pressure 759 millimeters of mercury; Humidity 76%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +25°

  • 1 September, Monday. morning, 24°; night, 15°; ; Feels like +18°; Pressure 761 millimeters of mercury; Humidity 75%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +26°

  • 2 September, Tuesday. morning, 23°; night, 15°; ; Feels like +18°; Pressure 760 millimeters of mercury; Humidity 75%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +25°

  • 3 September, Wednesday. morning, 24°; night, 16°; rain; Feels like +18°; Pressure 759 millimeters of mercury; Humidity 77%; Wind speed 4.4 Meters per second, southerly; Daytime water temperature +26°

  • 4 September, Thursday. morning, 23°; night, 15°; rain; Feels like +18°; Pressure 758 millimeters of mercury; Humidity 75%; Wind speed 4.9 Meters per second, south-westerly; Daytime water temperature +24°

  • 5 September, Friday. morning, 23°; night, 15°; ; Feels like +17°; Pressure 760 millimeters of mercury; Humidity 74%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +24°

  • 6 September, Saturday. morning, 23°; night, 15°; ; Feels like +17°; Pressure 760 millimeters of mercury; Humidity 77%; Wind speed 4.4 Meters per second, southerly; Daytime water temperature +24°

  • 7 September, Sunday. morning, 23°; night, 16°; ; Feels like +18°; Pressure 759 millimeters of mercury; Humidity 77%; Wind speed 4.6 Meters per second, southerly; Daytime water temperature +23°

  • 8 September, Monday. morning, 22°; night, 14°; rain; Feels like +17°; Pressure 758 millimeters of mercury; Humidity 78%; Wind speed 4.9 Meters per second, southerly; Daytime water temperature +23°

  • 9 September, Tuesday. morning, 21°; night, 13°; ; Feels like +16°; Pressure 760 millimeters of mercury; Humidity 77%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +22°

  • 10 September, Wednesday. morning, 21°; night, 14°; ; Feels like +15°; Pressure 761 millimeters of mercury; Humidity 76%; Wind speed 4 Meters per second, southerly; Daytime water temperature +23°

  • 11 September, Thursday. morning, 22°; night, 14°; ; Feels like +16°; Pressure 761 millimeters of mercury; Humidity 77%; Wind speed 4.3 Meters per second, southerly; Daytime water temperature +22°

  • 12 September, Friday. morning, 22°; night, 14°; rain; Feels like +16°; Pressure 760 millimeters of mercury; Humidity 77%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +20°

  • 13 September, Saturday. morning, 21°; night, 14°; rain; Feels like +16°; Pressure 759 millimeters of mercury; Humidity 78%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +20°

  • 14 September, Sunday. morning, 21°; night, 14°; ; Feels like +16°; Pressure 759 millimeters of mercury; Humidity 79%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +21°

  • 15 September, Monday. morning, 20°; night, 12°; rain; Feels like +15°; Pressure 760 millimeters of mercury; Humidity 79%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +19°

  • 16 September, Tuesday. morning, 20°; night, 11°; ; Feels like +13°; Pressure 762 millimeters of mercury; Humidity 76%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +21°

  • 17 September, Wednesday. morning, 21°; night, 13°; ; Feels like +13°; Pressure 761 millimeters of mercury; Humidity 78%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +22°

  • 18 September, Thursday. morning, 20°; night, 12°; ; Feels like +14°; Pressure 760 millimeters of mercury; Humidity 77%; Wind speed 4.4 Meters per second, southerly; Daytime water temperature +21°

  • 19 September, Friday. morning, 21°; night, 12°; ; Feels like +13°; Pressure 761 millimeters of mercury; Humidity 75%; Wind speed 4.3 Meters per second, southerly; Daytime water temperature +21°

  • 20 September, Saturday. morning, 21°; night, 12°; ; Feels like +14°; Pressure 760 millimeters of mercury; Humidity 76%; Wind speed 4.9 Meters per second, southerly; Daytime water temperature +22°

  • 21 September, Sunday. morning, 21°; night, 13°; ; Feels like +14°; Pressure 760 millimeters of mercury; Humidity 76%; Wind speed 4.8 Meters per second, southerly; Daytime water temperature +20°

  • 22 September, Monday. morning, 20°; night, 13°; rain; Feels like +14°; Pressure 759 millimeters of mercury; Humidity 77%; Wind speed 5 Meters per second, southerly; Daytime water temperature +20°

  • 23 September, Tuesday. morning, 19°; night, 11°; rain; Feels like +13°; Pressure 759 millimeters of mercury; Humidity 77%; Wind speed 4.9 Meters per second, south-westerly; Daytime water temperature +21°

  • 24 September, Wednesday. morning, 19°; night, 12°; ; Feels like +12°; Pressure 761 millimeters of mercury; Humidity 76%; Wind speed 4.9 Meters per second, southerly; Daytime water temperature +20°

  • 25 September, Thursday. morning, 18°; night, 12°; ; Feels like +12°; Pressure 760 millimeters of mercury; Humidity 76%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +22°

  • 26 September, Friday. morning, 19°; night, 11°; ; Feels like +13°; Pressure 760 millimeters of mercury; Humidity 80%; Wind speed 4.1 Meters per second, southerly; Daytime water temperature +22°

  • 27 September, Saturday. morning, 20°; night, 12°; rain; Feels like +13°; Pressure 759 millimeters of mercury; Humidity 80%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +21°

  • 28 September, Sunday. morning, 19°; night, 11°; ; Feels like +13°; Pressure 758 millimeters of mercury; Humidity 81%; Wind speed 4.6 Meters per second, southerly; Daytime water temperature +19°

  • 29 September, Monday. morning, 17°; night, 10°; rain; Feels like +11°; Pressure 759 millimeters of mercury; Humidity 79%; Wind speed 5 Meters per second, southerly; Daytime water temperature +16°

  • 30 September, Tuesday. morning, 16°; night, 10°; ; Feels like +9°; Pressure 760 millimeters of mercury; Humidity 79%; Wind speed 4.9 Meters per second, southerly; Daytime water temperature +16°

  • 1 October, Wednesday. morning, 17°; night, 10°; ; Feels like +10°; Pressure 760 millimeters of mercury; Humidity 78%; Wind speed 4.8 Meters per second, southerly; Daytime water temperature +16°

  • 2 October, Thursday. morning, 16°; night, 9°; ; Feels like +10°; Pressure 760 millimeters of mercury; Humidity 79%; Wind speed 5 Meters per second, southerly; Daytime water temperature +16°

  • 3 October, Friday. morning, 16°; night, 9°; ; Feels like +9°; Pressure 761 millimeters of mercury; Humidity 78%; Wind speed 4.9 Meters per second, southerly; Daytime water temperature +16°

  • 4 October, Saturday. morning, 16°; night, 9°; ; Feels like +9°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 4.9 Meters per second, southerly; Daytime water temperature +16°

In September, the weather in Montreal is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, Montreal has 10 rainy, 10 sunny, and 7 cloudy days in September.