Weather on September 13 in Ottawa
Historical weather data for September 13 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
September 13th in Ottawa, Canada typically brings pleasant fall weather, with average highs around 21°C and lows near 12°C. Over 54 years of records, the warmest September 13th was in 2005 (23°C average), while the coldest was 2014 (9°C) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 52% of September 13th dates historically, with the wettest September 13th recording 3" 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 13th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 23°C (73°F) | 11°C (52°F) | -- |
| 2023 | 23°C (73°F) | 17°C (62°F) | 0" |
| 2022 | 22°C (71°F) | 16°C (60°F) | 0.66" |
| 2021 | 22°C (72°F) | 11°C (52°F) | 0" |
| 2020 | 22°C (71°F) | 14°C (58°F) | 0.63" |
| 2019 | 21°C (69°F) | 7°C (44°F) | 0.51" |
| 2018 | 27°C (80°F) | 11°C (51°F) | 0" |
| 2017 | 27°C (80°F) | 12°C (53°F) | 0" |
| 2016 | 27°C (81°F) | 11°C (51°F) | 0" |
| 2015 | 19°C (67°F) | 14°C (58°F) | 3" |
| 2014 | 11°C (51°F) | 7°C (44°F) | 1.6" |
| 2013 | 13°C (55°F) | 11°C (51°F) | 0" |
| 2012 | 28°C (83°F) | 13°C (55°F) | 0" |
| 2011 | 27°C (81°F) | 13°C (56°F) | 0.51" |
| 2010 | 20°C (68°F) | 12°C (54°F) | 1.18" |
| 2009 | 22°C (71°F) | 8°C (47°F) | 0" |
| 2008 | 23°C (73°F) | 14°C (57°F) | 0.62" |
| 2007 | 19°C (66°F) | 8°C (47°F) | 0" |
| 2006 | 14°C (58°F) | 11°C (51°F) | 2.22" |
| 2005 | 31°C (87°F) | 17°C (62°F) | 0" |
| 2004 | 19°C (67°F) | 11°C (51°F) | 0" |
| 2003 | 25°C (77°F) | 16°C (61°F) | 0.04" |
| 2002 | 26°C (78°F) | 14°C (57°F) | 0" |
| 2001 | 17°C (62°F) | 13°C (55°F) | 0" |
| 2000 | 21°C (70°F) | 11°C (51°F) | 0.06" |
| 1999 | 26°C (79°F) | 13°C (55°F) | 1.02" |
| 1998 | 21°C (69°F) | 8°C (46°F) | 0" |
| 1997 | 20°C (68°F) | 16°C (61°F) | 0" |
| 1996 | 20°C (68°F) | 16°C (60°F) | 1" |
| 1995 | 24°C (76°F) | 17°C (63°F) | 1.1" |
| 1994 | 21°C (70°F) | 17°C (63°F) | 1.55" |
| 1993 | 27°C (80°F) | 15°C (59°F) | 0" |
| 1992 | 22°C (72°F) | 7°C (44°F) | 0" |
| 1991 | 18°C (65°F) | 5°C (41°F) | 0.14" |
| 1990 | 22°C (71°F) | 15°C (59°F) | 0" |
| 1989 | 19°C (66°F) | 12°C (53°F) | 0.05" |
| 1988 | 17°C (62°F) | 14°C (58°F) | 0.18" |
| 1987 | 19°C (66°F) | 17°C (62°F) | 0.22" |
| 1986 | 18°C (65°F) | 7°C (44°F) | 0.44" |
| 1985 | 18°C (64°F) | 6°C (43°F) | 0" |
| 1984 | 20°C (68°F) | 12°C (53°F) | 0.06" |
| 1983 | 18°C (65°F) | 7°C (45°F) | 0" |
| 1982 | 29°C (84°F) | 16°C (61°F) | 0" |
| 1981 | 26°C (78°F) | 12°C (54°F) | 0" |
| 1980 | 17°C (63°F) | 7°C (45°F) | 0.62" |
| 1979 | 24°C (75°F) | 9°C (49°F) | 2.26" |
| 1978 | 17°C (63°F) | 5°C (41°F) | 0" |
| 1977 | 17°C (62°F) | 13°C (55°F) | 0.38" |
| 1976 | 28°C (83°F) | 9°C (49°F) | 0" |
| 1975 | 14°C (58°F) | 4°C (40°F) | 0.2" |
| 1974 | 25°C (77°F) | 17°C (62°F) | 1.17" |
| 1973 | 17°C (63°F) | 6°C (42°F) | 0" |
| 1972 | 17°C (63°F) | 11°C (51°F) | 0.58" |
| 1971 | 17°C (63°F) | 16°C (60°F) | 1.75" |