Weather on September 2 in Ottawa
Historical weather data for September 2 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA
About This Date
September 2nd in Ottawa, Canada typically brings pleasant fall weather, with average highs around 23°C and lows near 13°C. Over 55 years of records, the warmest September 2nd was in 1973 (27°C average), while the coldest was 1976 (11°C) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 44% of September 2nd dates historically, with the wettest September 2nd recording 2.42" 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 2nd in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 26°C (78°F) | 14°C (57°F) | -- |
| 2024 | 24°C (76°F) | 11°C (51°F) | 0" |
| 2023 | 24°C (76°F) | 12°C (54°F) | 0" |
| 2022 | 26°C (79°F) | 8°C (46°F) | 0" |
| 2021 | 18°C (64°F) | 12°C (53°F) | 0" |
| 2020 | 27°C (80°F) | 17°C (62°F) | 0.78" |
| 2019 | 24°C (76°F) | 13°C (56°F) | 0.16" |
| 2018 | 28°C (82°F) | 21°C (69°F) | 0.52" |
| 2017 | 20°C (68°F) | 4°C (39°F) | 0.4" |
| 2016 | 20°C (68°F) | 9°C (49°F) | 0" |
| 2015 | 28°C (82°F) | 17°C (62°F) | 0.55" |
| 2014 | 28°C (82°F) | 22°C (71°F) | 0.63" |
| 2013 | 23°C (73°F) | 16°C (61°F) | 0.96" |
| 2012 | 27°C (81°F) | 14°C (58°F) | 0" |
| 2011 | 28°C (82°F) | 16°C (60°F) | 0" |
| 2010 | 28°C (83°F) | 21°C (69°F) | 0" |
| 2009 | 25°C (77°F) | 10°C (50°F) | 0" |
| 2008 | 31°C (87°F) | 12°C (54°F) | 0" |
| 2007 | 24°C (76°F) | 7°C (44°F) | 0" |
| 2006 | 21°C (69°F) | 13°C (55°F) | 2.42" |
| 2005 | 27°C (80°F) | 16°C (60°F) | 0" |
| 2004 | 19°C (67°F) | 7°C (44°F) | 0" |
| 2003 | 23°C (74°F) | 13°C (55°F) | 0" |
| 2002 | 26°C (78°F) | 12°C (54°F) | 0" |
| 2001 | 20°C (68°F) | 4°C (40°F) | 0.02" |
| 2000 | 17°C (62°F) | 13°C (56°F) | 0.06" |
| 1999 | 29°C (85°F) | 14°C (57°F) | 0" |
| 1998 | 21°C (69°F) | 13°C (55°F) | 1.26" |
| 1997 | 23°C (73°F) | 16°C (60°F) | 1.59" |
| 1996 | 30°C (86°F) | 13°C (56°F) | 0" |
| 1995 | 22°C (71°F) | 7°C (44°F) | 0" |
| 1994 | 18°C (65°F) | 4°C (40°F) | 0" |
| 1993 | 24°C (76°F) | 8°C (47°F) | 0.92" |
| 1992 | 19°C (67°F) | 4°C (39°F) | 0.58" |
| 1991 | 23°C (73°F) | 5°C (41°F) | 0" |
| 1990 | 22°C (72°F) | 16°C (60°F) | 0" |
| 1989 | 22°C (71°F) | 11°C (52°F) | 0" |
| 1988 | 27°C (80°F) | 14°C (58°F) | 0" |
| 1987 | 18°C (65°F) | 9°C (48°F) | 0" |
| 1986 | 17°C (63°F) | 12°C (53°F) | 0.02" |
| 1985 | 23°C (73°F) | 15°C (59°F) | 0" |
| 1984 | 18°C (64°F) | 11°C (52°F) | 0.22" |
| 1983 | 31°C (88°F) | 13°C (55°F) | 0" |
| 1982 | 17°C (63°F) | 13°C (55°F) | 0.06" |
| 1981 | 21°C (69°F) | 19°C (66°F) | 0.32" |
| 1980 | 26°C (79°F) | 19°C (66°F) | 0.86" |
| 1979 | 26°C (79°F) | 18°C (65°F) | 0.1" |
| 1978 | 28°C (82°F) | 11°C (52°F) | 0.1" |
| 1977 | 23°C (74°F) | 17°C (63°F) | 0" |
| 1976 | 16°C (61°F) | 7°C (44°F) | 0" |
| 1975 | 22°C (72°F) | 14°C (58°F) | 0.79" |
| 1974 | 16°C (60°F) | 11°C (51°F) | 0.41" |
| 1973 | 33°C (91°F) | 20°C (68°F) | 0" |
| 1972 | 25°C (77°F) | 16°C (60°F) | 0.25" |
| 1971 | 24°C (75°F) | 8°C (47°F) | 0" |