Weather on September 27 in Montreal
Historical weather data for September 27 in Montreal, Canada
Based on 52 years of data from MONTREAL MCGILL
About This Date
September 27th in Montreal, Canada typically brings mild fall weather, with average highs around 19°C and lows near 11°C. Over 52 years of records, the warmest September 27th was in 2017 (24°C average), while the coldest was 1980 (7°C) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 50% of September 27th dates historically, with the wettest September 27th recording 5.02" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for September 27th in Montreal? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 21°C (69°F) | 12°C (53°F) | -- |
| 2023 | 21°C (69°F) | 9°C (49°F) | 0 mm |
| 2022 | 16°C (61°F) | 12°C (53°F) | 19 mm |
| 2021 | 17°C (63°F) | 11°C (52°F) | 3 mm |
| 2020 | 27°C (80°F) | 18°C (64°F) | 0 mm |
| 2019 | 19°C (67°F) | 11°C (51°F) | 0 mm |
| 2018 | 18°C (64°F) | 9°C (48°F) | 1 mm |
| 2017 | 32°C (89°F) | 18°C (64°F) | 13 mm |
| 2016 | 21°C (70°F) | 12°C (54°F) | 5 mm |
| 2015 | 23°C (74°F) | 9°C (48°F) | 0 mm |
| 2014 | 27°C (80°F) | 17°C (63°F) | 0 mm |
| 2013 | 20°C (68°F) | 12°C (53°F) | 0 mm |
| 2012 | 16°C (60°F) | 8°C (47°F) | 0 mm |
| 2011 | 25°C (77°F) | 14°C (57°F) | 0 mm |
| 2010 | 19°C (67°F) | 11°C (51°F) | 41 mm |
| 2009 | 16°C (60°F) | 11°C (52°F) | 53 mm |
| 2008 | 21°C (69°F) | 15°C (59°F) | 7 mm |
| 2007 | 17°C (62°F) | 13°C (55°F) | 26 mm |
| 2006 | 21°C (69°F) | 8°C (47°F) | 0 mm |
| 2005 | 19°C (66°F) | 11°C (51°F) | 0 mm |
| 2004 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 2003 | 26°C (78°F) | 14°C (57°F) | 51 mm |
| 2002 | 16°C (60°F) | 12°C (54°F) | 56 mm |
| 2001 | 16°C (60°F) | 9°C (48°F) | 0 mm |
| 2000 | 18°C (65°F) | 4°C (39°F) | -- |
| 1999 | 22°C (72°F) | 11°C (51°F) | 0 mm |
| 1998 | 24°C (75°F) | 16°C (60°F) | 38 mm |
| 1997 | 17°C (63°F) | 4°C (40°F) | 0 mm |
| 1996 | 16°C (61°F) | 9°C (49°F) | 24 mm |
| 1994 | 21°C (69°F) | 15°C (59°F) | 29 mm |
| 1992 | 18°C (65°F) | 14°C (58°F) | 13 mm |
| 1991 | 12°C (54°F) | 8°C (46°F) | 4 mm |
| 1990 | 20°C (68°F) | 14°C (58°F) | 0 mm |
| 1989 | 11°C (52°F) | 2°C (36°F) | 0 mm |
| 1988 | 18°C (65°F) | 10°C (50°F) | 7 mm |
| 1987 | 14°C (57°F) | 5°C (41°F) | 0 mm |
| 1986 | 13°C (56°F) | 5°C (41°F) | 0 mm |
| 1985 | 17°C (62°F) | 14°C (58°F) | 128 mm |
| 1984 | 12°C (54°F) | 3°C (37°F) | 0 mm |
| 1983 | 21°C (69°F) | 14°C (57°F) | 0 mm |
| 1982 | 15°C (59°F) | 13°C (55°F) | 27 mm |
| 1981 | 19°C (67°F) | 13°C (55°F) | 7 mm |
| 1980 | 10°C (50°F) | 3°C (37°F) | 3 mm |
| 1979 | 21°C (69°F) | 8°C (47°F) | 0 mm |
| 1978 | 19°C (66°F) | 10°C (50°F) | 27 mm |
| 1977 | 17°C (63°F) | 13°C (56°F) | 2 mm |
| 1976 | 14°C (58°F) | 10°C (50°F) | 3 mm |
| 1975 | 19°C (67°F) | 14°C (57°F) | 1 mm |
| 1974 | 22°C (72°F) | 11°C (51°F) | 0 mm |
| 1973 | 23°C (74°F) | 15°C (59°F) | 1 mm |
| 1972 | 17°C (63°F) | 14°C (58°F) | 0 mm |
| 1971 | 18°C (64°F) | 8°C (46°F) | 0 mm |