Weather on September 19 in Montreal
Historical weather data for September 19 in Montreal, Canada
Based on 51 years of data from MONTREAL MCGILL
About This Date
September 19th in Montreal, Canada typically brings mild fall weather, with average highs around 20°C and lows near 12°C. Over 51 years of records, the warmest September 19th was in 2017 (23°C average), while the coldest was 1979 (8°C) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 19th dates historically, with the wettest September 19th recording 2.49" of rain. The last decade has been 4.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.0°F cooler on this date compared to 20-30 years ago.
Planning for September 19th in Montreal? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 22°C (72°F) | 12°C (54°F) | -- |
| 2023 | 17°C (62°F) | 14°C (58°F) | 0.25" |
| 2022 | 13°C (56°F) | 10°C (50°F) | 2.49" |
| 2021 | 21°C (70°F) | 12°C (53°F) | 0" |
| 2020 | 13°C (56°F) | 5°C (41°F) | 0" |
| 2019 | 22°C (71°F) | 8°C (47°F) | 0" |
| 2018 | 16°C (60°F) | 11°C (51°F) | 0" |
| 2017 | 28°C (82°F) | 19°C (66°F) | 0" |
| 2016 | 27°C (81°F) | 16°C (60°F) | 0" |
| 2015 | 28°C (82°F) | 14°C (57°F) | 0.77" |
| 2014 | 14°C (57°F) | 4°C (39°F) | -- |
| 2013 | 23°C (74°F) | 12°C (54°F) | 0" |
| 2012 | 15°C (59°F) | 8°C (46°F) | 0" |
| 2011 | 19°C (67°F) | 11°C (51°F) | 0" |
| 2010 | 19°C (66°F) | 12°C (53°F) | 0" |
| 2009 | 16°C (61°F) | 7°C (44°F) | 0" |
| 2008 | 18°C (65°F) | 6°C (42°F) | 0" |
| 2007 | 24°C (76°F) | 12°C (53°F) | 0" |
| 2006 | 21°C (69°F) | 13°C (56°F) | 0.5" |
| 2005 | 23°C (73°F) | 15°C (59°F) | 0" |
| 2004 | 17°C (63°F) | 7°C (45°F) | 0" |
| 2003 | 25°C (77°F) | 16°C (60°F) | 0.58" |
| 2002 | 26°C (78°F) | 13°C (56°F) | 0" |
| 2001 | 23°C (74°F) | 11°C (51°F) | -- |
| 2000 | 25°C (77°F) | 15°C (59°F) | 0" |
| 1999 | 22°C (72°F) | 11°C (52°F) | 0" |
| 1998 | 26°C (78°F) | 14°C (58°F) | 0" |
| 1997 | 24°C (76°F) | 15°C (59°F) | 0.12" |
| 1996 | 23°C (73°F) | 12°C (54°F) | 0" |
| 1992 | 16°C (61°F) | 13°C (55°F) | 0" |
| 1991 | 16°C (61°F) | 12°C (54°F) | 0.04" |
| 1990 | 17°C (62°F) | 8°C (46°F) | 1.14" |
| 1989 | 21°C (69°F) | 13°C (55°F) | 1" |
| 1988 | 22°C (72°F) | 16°C (60°F) | 0" |
| 1987 | 18°C (64°F) | 13°C (55°F) | 0.2" |
| 1986 | 18°C (65°F) | 13°C (55°F) | 0" |
| 1985 | 26°C (79°F) | 17°C (62°F) | 0" |
| 1984 | 21°C (69°F) | 16°C (60°F) | 0" |
| 1983 | 24°C (76°F) | 17°C (62°F) | 0" |
| 1982 | 13°C (56°F) | 8°C (46°F) | 0" |
| 1981 | 18°C (65°F) | 11°C (52°F) | 0.05" |
| 1980 | 16°C (61°F) | 8°C (46°F) | 0" |
| 1979 | 9°C (49°F) | 6°C (43°F) | 0" |
| 1978 | 18°C (64°F) | 7°C (45°F) | 0" |
| 1977 | 21°C (69°F) | 16°C (61°F) | 0" |
| 1976 | 25°C (77°F) | 17°C (62°F) | 0.33" |
| 1975 | 17°C (63°F) | 13°C (56°F) | 0.1" |
| 1974 | 21°C (70°F) | 6°C (43°F) | 0.33" |
| 1973 | 19°C (66°F) | 7°C (45°F) | 0.18" |
| 1972 | 17°C (62°F) | 11°C (51°F) | 0" |
| 1971 | 21°C (70°F) | 12°C (54°F) | 0.84" |