Weather on September 3 in Ottawa
Historical weather data for September 3 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
September 3rd in Ottawa, Canada typically brings pleasant fall weather, with average highs around 23°C and lows near 13°C. Over 54 years of records, the warmest September 3rd was in 1973 (27°C average), while the coldest was 1997 (10°C) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 48% of September 3rd dates historically, with the wettest September 3rd recording 2.22" 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 3rd in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 27°C (80°F) | 12°C (54°F) | -- |
| 2023 | 30°C (86°F) | 16°C (60°F) | 0" |
| 2022 | 29°C (85°F) | 13°C (55°F) | 2.22" |
| 2021 | 23°C (74°F) | 13°C (55°F) | 0" |
| 2020 | 24°C (75°F) | 14°C (58°F) | 0.17" |
| 2019 | 20°C (68°F) | 10°C (50°F) | 0.23" |
| 2018 | 31°C (88°F) | 19°C (66°F) | 0.02" |
| 2017 | 16°C (60°F) | 11°C (52°F) | 0.38" |
| 2016 | 23°C (74°F) | 7°C (45°F) | 0" |
| 2015 | 29°C (84°F) | 17°C (63°F) | 0" |
| 2014 | 25°C (77°F) | 16°C (60°F) | 0" |
| 2013 | 21°C (69°F) | 13°C (56°F) | 0" |
| 2012 | 29°C (85°F) | 12°C (54°F) | 0" |
| 2011 | 31°C (87°F) | 21°C (70°F) | 0.72" |
| 2010 | 32°C (89°F) | 21°C (69°F) | 1.26" |
| 2009 | 26°C (78°F) | 12°C (53°F) | 0" |
| 2008 | 31°C (87°F) | 13°C (56°F) | 0" |
| 2007 | 26°C (79°F) | 14°C (57°F) | 0.07" |
| 2006 | 15°C (59°F) | 11°C (52°F) | 0.82" |
| 2005 | 23°C (74°F) | 14°C (58°F) | 0.28" |
| 2004 | 29°C (84°F) | 9°C (49°F) | 0" |
| 2003 | 22°C (71°F) | 12°C (53°F) | 0.02" |
| 2002 | 27°C (81°F) | 16°C (61°F) | 0" |
| 2001 | 29°C (84°F) | 13°C (55°F) | 0.68" |
| 2000 | 21°C (69°F) | 15°C (59°F) | 0.3" |
| 1999 | 33°C (92°F) | 13°C (55°F) | 0" |
| 1998 | 22°C (71°F) | 10°C (50°F) | 0.2" |
| 1997 | 13°C (55°F) | 8°C (46°F) | 0" |
| 1996 | 28°C (83°F) | 17°C (62°F) | 0" |
| 1995 | 18°C (65°F) | 9°C (48°F) | 0.07" |
| 1994 | 17°C (63°F) | 6°C (42°F) | 0" |
| 1993 | 24°C (75°F) | 18°C (64°F) | 1.43" |
| 1992 | 16°C (60°F) | 10°C (50°F) | 0.72" |
| 1991 | 28°C (82°F) | 9°C (48°F) | 1" |
| 1990 | 21°C (69°F) | 11°C (52°F) | 0" |
| 1989 | 22°C (71°F) | 8°C (46°F) | 0" |
| 1988 | 24°C (76°F) | 14°C (58°F) | 0.96" |
| 1987 | 18°C (64°F) | 4°C (40°F) | 0" |
| 1986 | 20°C (68°F) | 13°C (56°F) | 0" |
| 1985 | 22°C (71°F) | 13°C (55°F) | 1.1" |
| 1984 | 18°C (65°F) | 11°C (52°F) | 0" |
| 1983 | 30°C (86°F) | 14°C (57°F) | 0" |
| 1982 | 19°C (66°F) | 13°C (55°F) | 0.16" |
| 1981 | 21°C (70°F) | 17°C (63°F) | 0" |
| 1980 | 22°C (71°F) | 14°C (57°F) | 0" |
| 1979 | 23°C (73°F) | 18°C (65°F) | 0" |
| 1978 | 23°C (73°F) | 16°C (61°F) | 0.38" |
| 1977 | 23°C (73°F) | 15°C (59°F) | 0" |
| 1976 | 20°C (68°F) | 3°C (38°F) | 0.1" |
| 1975 | 21°C (69°F) | 5°C (41°F) | 0" |
| 1974 | 12°C (54°F) | 10°C (50°F) | 0.13" |
| 1973 | 32°C (90°F) | 22°C (72°F) | 0.86" |
| 1972 | 16°C (60°F) | 14°C (57°F) | 0.64" |
| 1971 | 28°C (83°F) | 17°C (62°F) | 0" |