Weather on September 23 in Montreal

Historical weather data for September 23 in Montreal, Canada

Avg High18°C (64°F)
Avg Low11°C (51°F)
Warmest202124°C
Coldest19747°C

Based on 52 years of data from MONTREAL MCGILL

About This Date

September 23rd in Montreal, Canada typically brings mild fall weather, with average highs around 18°C and lows near 11°C. Over 52 years of records, the warmest September 23rd was in 2021 (24°C average), while the coldest was 1974 (7°C) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 48% of September 23rd dates historically, with the wettest September 23rd recording 3.31" of rain. The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.

Planning for September 23rd in Montreal? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202521°C (70°F)16°C (61°F)--
202322°C (71°F)12°C (54°F)0"
202214°C (57°F)6°C (42°F)0"
202129°C (85°F)20°C (68°F)0.44"
202023°C (74°F)13°C (55°F)0"
201926°C (78°F)16°C (61°F)0.34"
201817°C (63°F)8°C (46°F)0"
201729°C (84°F)17°C (63°F)0"
201618°C (64°F)11°C (51°F)0.16"
201524°C (75°F)14°C (58°F)0"
201417°C (63°F)8°C (46°F)0.08"
201313°C (55°F)6°C (43°F)0"
201216°C (60°F)7°C (45°F)0"
201123°C (73°F)14°C (58°F)0"
201014°C (58°F)9°C (49°F)0"
200922°C (72°F)13°C (56°F)0.48"
200817°C (62°F)7°C (44°F)0"
200722°C (71°F)13°C (55°F)0"
200617°C (62°F)13°C (55°F)0.7"
200520°C (68°F)11°C (51°F)0.18"
200422°C (72°F)14°C (57°F)0"
200318°C (64°F)13°C (56°F)3.31"
200219°C (66°F)12°C (53°F)0.38"
200123°C (74°F)16°C (60°F)0"
200014°C (58°F)11°C (51°F)0.91"
199919°C (67°F)7°C (44°F)--
199814°C (57°F)6°C (43°F)0.1"
199714°C (58°F)6°C (42°F)0.72"
199613°C (56°F)7°C (45°F)0"
199416°C (61°F)13°C (56°F)0"
199210°C (50°F)6°C (43°F)0"
199116°C (61°F)9°C (49°F)0.14"
199016°C (60°F)12°C (53°F)0.51"
198923°C (73°F)15°C (59°F)0.02"
198820°C (68°F)13°C (55°F)0.1"
198718°C (65°F)12°C (53°F)0.24"
198614°C (58°F)9°C (49°F)1.04"
198525°C (77°F)14°C (57°F)0.02"
198424°C (76°F)13°C (55°F)0"
198315°C (59°F)--0.11"
198217°C (63°F)12°C (53°F)1.15"
19819°C (49°F)8°C (47°F)1.07"
198018°C (65°F)12°C (53°F)0"
197913°C (56°F)6°C (42°F)0"
197816°C (61°F)7°C (44°F)0"
197716°C (61°F)8°C (46°F)0"
197614°C (57°F)8°C (46°F)0.61"
197518°C (64°F)13°C (55°F)0.23"
19749°C (49°F)4°C (40°F)0"
197312°C (53°F)8°C (47°F)0"
197216°C (60°F)7°C (44°F)0"
197121°C (69°F)10°C (50°F)0.18"

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