Weather on October 9 in Ottawa
Historical weather data for October 9 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA
About This Date
October 9th in Ottawa, Canada typically brings cool fall weather, with average highs around 14°C and lows near 5°C. Over 55 years of records, the warmest October 9th was in 2011 (19°C average), while the coldest was 1989 (2°C) — a 30°F range across recorded history. Precipitation has occurred on 47% of recorded October 9th dates, with snow falling 4% of the time. 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 October 9th in Ottawa? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 12°C (53°F) | 3°C (37°F) | -- |
| 2024 | 14°C (58°F) | 1°C (34°F) | 0.1" |
| 2023 | 11°C (51°F) | 6°C (42°F) | 0.62" |
| 2022 | 12°C (54°F) | 7°C (44°F) | 0" |
| 2021 | 20°C (68°F) | 11°C (51°F) | 0.01" |
| 2020 | 15°C (59°F) | -1°C (31°F) | 0.02" |
| 2019 | 16°C (61°F) | 0°C (32°F) | 0" |
| 2018 | 28°C (82°F) | 7°C (45°F) | 0" |
| 2017 | 18°C (64°F) | 13°C (55°F) | 0.64" |
| 2016 | 11°C (52°F) | 3°C (38°F) | 0.02" |
| 2015 | 9°C (49°F) | 5°C (41°F) | 1.21" |
| 2014 | 11°C (52°F) | 3°C (37°F) | 0.08" |
| 2013 | 18°C (65°F) | 2°C (35°F) | 0" |
| 2012 | 16°C (60°F) | 4°C (40°F) | 0" |
| 2011 | 28°C (82°F) | 11°C (51°F) | 0" |
| 2010 | 13°C (55°F) | 2°C (35°F) | 0" |
| 2009 | 12°C (53°F) | 8°C (46°F) | 1.09" |
| 2008 | 20°C (68°F) | 10°C (50°F) | 0" |
| 2007 | 10°C (50°F) | 6°C (43°F) | 0.19" |
| 2006 | 21°C (69°F) | 7°C (44°F) | 0" |
| 2005 | 12°C (53°F) | 4°C (39°F) | 0" |
| 2004 | 21°C (70°F) | 13°C (56°F) | 0.08" |
| 2003 | 19°C (66°F) | 7°C (44°F) | 0" |
| 2002 | 8°C (47°F) | 3°C (38°F) | 0.18" |
| 2001 | 13°C (55°F) | -2°C (28°F) | 0.08" |
| 2000 | 8°C (47°F) | 0°C (32°F) | 0" |
| 1999 | 18°C (65°F) | 12°C (54°F) | 0" |
| 1998 | 18°C (64°F) | 5°C (41°F) | 0" |
| 1997 | 25°C (77°F) | 10°C (50°F) | 0.08" |
| 1996 | 12°C (53°F) | 8°C (47°F) | 0.8" |
| 1995 | 13°C (55°F) | 10°C (50°F) | 0" |
| 1994 | 18°C (65°F) | 13°C (56°F) | 0.26" |
| 1993 | 5°C (41°F) | 3°C (37°F) | 0.92" |
| 1992 | 17°C (62°F) | 6°C (42°F) | 0.38" |
| 1991 | 19°C (66°F) | 7°C (44°F) | 0" |
| 1990 | 7°C (44°F) | 5°C (41°F) | 1.62" |
| 1989 | 5°C (41°F) | -1°C (31°F) | 0" |
| 1988 | 9°C (48°F) | 3°C (37°F) | 0" |
| 1987 | 11°C (52°F) | -2°C (28°F) | 0.02" |
| 1986 | 7°C (45°F) | 3°C (37°F) | 0" |
| 1985 | 17°C (62°F) | 13°C (55°F) | 0.52" |
| 1984 | 13°C (56°F) | 10°C (50°F) | 0" |
| 1983 | 11°C (52°F) | 2°C (36°F) | 0" |
| 1982 | 11°C (52°F) | 8°C (47°F) | 0" |
| 1981 | 11°C (51°F) | 4°C (39°F) | 0" |
| 1980 | 9°C (48°F) | 2°C (35°F) | 0" |
| 1979 | 6°C (42°F) | 0°C (32°F) | 0.1" |
| 1978 | 13°C (55°F) | -3°C (26°F) | 0" |
| 1977 | 14°C (57°F) | 5°C (41°F) | 1.1" |
| 1976 | 7°C (44°F) | 5°C (41°F) | 3.56" |
| 1975 | 12°C (54°F) | 3°C (37°F) | 0" |
| 1974 | 10°C (50°F) | 0°C (32°F) | 0.15" |
| 1973 | 22°C (72°F) | 5°C (41°F) | 0" |
| 1972 | 6°C (43°F) | 3°C (37°F) | 0" |
| 1971 | 13°C (55°F) | 8°C (46°F) | 1.63" |