Weather on September 30 in Montreal
Historical weather data for September 30 in Montreal, Canada
Based on 52 years of data from MONTREAL MCGILL
About This Date
September 30th in Montreal, Canada typically brings mild fall weather, with average highs around 17°C and lows near 9°C. Over 52 years of records, the warmest September 30th was in 1986 (21°C average), while the coldest was 1992 (4°C) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 42% of September 30th dates historically, with the wettest September 30th recording 6.52" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 30th 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) | 14°C (58°F) | -- |
| 2023 | 24°C (75°F) | 12°C (54°F) | 0.05" |
| 2022 | 18°C (64°F) | 7°C (44°F) | 0" |
| 2021 | 17°C (62°F) | 8°C (47°F) | 0" |
| 2020 | 17°C (63°F) | 12°C (54°F) | 2.2" |
| 2019 | 13°C (56°F) | 6°C (43°F) | 0.45" |
| 2018 | 12°C (53°F) | 8°C (46°F) | 0.07" |
| 2017 | 14°C (58°F) | 7°C (44°F) | 0" |
| 2016 | 19°C (66°F) | 8°C (46°F) | 0" |
| 2015 | 13°C (55°F) | 7°C (44°F) | 0.44" |
| 2014 | 17°C (63°F) | 9°C (48°F) | 0" |
| 2013 | 23°C (74°F) | 12°C (54°F) | 0" |
| 2012 | 12°C (53°F) | 10°C (50°F) | 2.29" |
| 2011 | 20°C (68°F) | 10°C (50°F) | 0" |
| 2010 | 17°C (62°F) | 14°C (57°F) | 6.52" |
| 2009 | 10°C (50°F) | 6°C (43°F) | 0" |
| 2008 | 20°C (68°F) | 13°C (55°F) | 0.14" |
| 2007 | 18°C (64°F) | 7°C (45°F) | 0" |
| 2006 | 15°C (59°F) | 4°C (40°F) | 0" |
| 2005 | 14°C (57°F) | 6°C (42°F) | 0" |
| 2004 | 18°C (65°F) | 8°C (47°F) | 0" |
| 2003 | 16°C (60°F) | 7°C (45°F) | 0.16" |
| 2002 | 20°C (68°F) | 8°C (46°F) | 0" |
| 2001 | 18°C (65°F) | 7°C (44°F) | -- |
| 2000 | 21°C (70°F) | 7°C (45°F) | 0" |
| 1999 | 20°C (68°F) | 9°C (49°F) | 2.2" |
| 1998 | 18°C (65°F) | 13°C (56°F) | 0.14" |
| 1997 | 17°C (63°F) | 7°C (45°F) | 0.26" |
| 1996 | 14°C (58°F) | 8°C (46°F) | 0" |
| 1994 | 12°C (53°F) | 6°C (43°F) | 0.2" |
| 1992 | 6°C (43°F) | 2°C (36°F) | 0" |
| 1991 | 11°C (52°F) | 2°C (35°F) | 0.54" |
| 1990 | 17°C (63°F) | 11°C (51°F) | 2.24" |
| 1989 | 18°C (64°F) | 7°C (44°F) | 0" |
| 1988 | 18°C (65°F) | 8°C (47°F) | 0.02" |
| 1987 | 22°C (71°F) | 15°C (59°F) | 0.4" |
| 1986 | 24°C (76°F) | 18°C (64°F) | 0.04" |
| 1985 | 22°C (71°F) | 12°C (54°F) | 0" |
| 1984 | 15°C (59°F) | 6°C (42°F) | 0" |
| 1983 | 23°C (74°F) | 12°C (53°F) | 0" |
| 1982 | 21°C (70°F) | 12°C (53°F) | 0" |
| 1981 | 9°C (49°F) | 2°C (36°F) | 0" |
| 1980 | 18°C (64°F) | 8°C (46°F) | 0.03" |
| 1979 | 21°C (69°F) | 10°C (50°F) | 0" |
| 1978 | 18°C (65°F) | 11°C (51°F) | 0.1" |
| 1977 | 11°C (52°F) | 8°C (47°F) | 0.64" |
| 1976 | 14°C (57°F) | 7°C (45°F) | 0" |
| 1975 | 21°C (69°F) | 12°C (53°F) | 0" |
| 1974 | 12°C (54°F) | 5°C (41°F) | 0" |
| 1973 | 16°C (60°F) | 7°C (45°F) | 0" |
| 1972 | 18°C (65°F) | 8°C (46°F) | 0.64" |
| 1971 | 21°C (69°F) | 13°C (56°F) | 0" |