Weather on September 7 in Ottawa
Historical weather data for September 7 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
September 7th in Ottawa, Canada typically brings pleasant fall weather, with average highs around 23°C and lows near 12°C. Over 54 years of records, the warmest September 7th was in 2023 (27°C average), while the coldest was 1982 (10°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 46% of September 7th dates historically, with the wettest September 7th recording 2.06" 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 7th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 18°C (65°F) | 13°C (55°F) | -- |
| 2023 | 32°C (89°F) | 22°C (71°F) | 0" |
| 2022 | 25°C (77°F) | 16°C (61°F) | 0" |
| 2021 | 23°C (74°F) | 13°C (55°F) | 2.04" |
| 2020 | 25°C (77°F) | 11°C (52°F) | 0.05" |
| 2019 | 18°C (65°F) | 12°C (54°F) | 0.04" |
| 2018 | 22°C (72°F) | 9°C (48°F) | 0" |
| 2017 | 19°C (67°F) | 13°C (56°F) | 0.9" |
| 2016 | 28°C (83°F) | 16°C (61°F) | 1.38" |
| 2015 | 33°C (91°F) | 19°C (66°F) | 1.07" |
| 2014 | 21°C (70°F) | 9°C (49°F) | 0" |
| 2013 | 19°C (67°F) | 13°C (56°F) | 0.35" |
| 2012 | 26°C (79°F) | 14°C (57°F) | 1.38" |
| 2011 | 18°C (65°F) | 13°C (55°F) | 0" |
| 2010 | 27°C (81°F) | 16°C (60°F) | 1.38" |
| 2009 | 25°C (77°F) | 8°C (46°F) | 0" |
| 2008 | 18°C (65°F) | 12°C (53°F) | 0.28" |
| 2007 | 32°C (89°F) | 20°C (68°F) | 0.08" |
| 2006 | 23°C (73°F) | 7°C (44°F) | 0.02" |
| 2005 | 28°C (83°F) | 13°C (55°F) | 0" |
| 2004 | 24°C (75°F) | 16°C (61°F) | 0.42" |
| 2003 | 21°C (69°F) | 13°C (55°F) | 0" |
| 2002 | 31°C (88°F) | 13°C (55°F) | 0" |
| 2001 | 32°C (89°F) | 11°C (51°F) | 0" |
| 2000 | 23°C (74°F) | 8°C (46°F) | 0" |
| 1999 | 24°C (75°F) | 21°C (69°F) | 1.31" |
| 1998 | 21°C (70°F) | 12°C (53°F) | 0.08" |
| 1997 | 18°C (65°F) | 15°C (59°F) | 0" |
| 1996 | 27°C (80°F) | 17°C (63°F) | 2.06" |
| 1995 | 23°C (73°F) | 12°C (53°F) | 1.56" |
| 1994 | 20°C (68°F) | 10°C (50°F) | 0.04" |
| 1993 | 21°C (69°F) | 10°C (50°F) | 0" |
| 1992 | 23°C (73°F) | 18°C (64°F) | 0" |
| 1991 | 24°C (76°F) | 12°C (54°F) | 0" |
| 1990 | 19°C (66°F) | 14°C (57°F) | 0" |
| 1989 | 27°C (81°F) | 13°C (55°F) | 0" |
| 1988 | 21°C (69°F) | 6°C (43°F) | 0" |
| 1987 | 27°C (80°F) | 16°C (61°F) | 0" |
| 1986 | 14°C (58°F) | 8°C (46°F) | 0" |
| 1985 | 26°C (78°F) | 15°C (59°F) | 0.02" |
| 1984 | 22°C (71°F) | 5°C (41°F) | 0" |
| 1983 | 24°C (75°F) | 16°C (61°F) | 0.12" |
| 1982 | 17°C (63°F) | 3°C (38°F) | 0" |
| 1981 | 22°C (71°F) | 13°C (55°F) | 0.4" |
| 1980 | 23°C (73°F) | 12°C (54°F) | 0" |
| 1979 | 17°C (62°F) | 10°C (50°F) | 0.02" |
| 1978 | 17°C (63°F) | 12°C (53°F) | 0" |
| 1977 | 18°C (64°F) | 7°C (44°F) | 0" |
| 1976 | 21°C (69°F) | 9°C (48°F) | 0" |
| 1975 | 18°C (64°F) | 7°C (45°F) | 0.23" |
| 1974 | 24°C (75°F) | 8°C (46°F) | 0" |
| 1973 | 18°C (64°F) | 12°C (54°F) | 0" |
| 1972 | 27°C (80°F) | 10°C (50°F) | 0.91" |
| 1971 | 27°C (80°F) | 18°C (65°F) | 0.64" |