Weather on September 11 in Calgary
Historical weather data for September 11 in Calgary, Canada
Based on 54 years of data from CALGARY GLENMORE DAM
About This Date
September 11th in Calgary, Canada typically brings mild fall weather, with average highs around 18°C and lows near 5°C. Over 54 years of records, the warmest September 11th was in 2022 (19°C average), while the coldest was 1974 (3°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 11th dates historically, with the wettest September 11th recording 4.01" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in Calgary? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 25°C (77°F) | 8°C (46°F) | -- |
| 2023 | 24°C (76°F) | 7°C (44°F) | 0" |
| 2022 | 29°C (84°F) | 9°C (48°F) | 0" |
| 2021 | 15°C (59°F) | 10°C (50°F) | 0.8" |
| 2020 | 29°C (84°F) | 7°C (45°F) | 0" |
| 2019 | 16°C (61°F) | 7°C (44°F) | 0.06" |
| 2018 | 18°C (64°F) | 3°C (38°F) | 0.07" |
| 2017 | 29°C (85°F) | 6°C (42°F) | 0" |
| 2016 | 10°C (50°F) | 4°C (39°F) | 1.02" |
| 2015 | 26°C (79°F) | 8°C (46°F) | 0" |
| 2014 | 7°C (45°F) | -2°C (29°F) | 0" |
| 2013 | 25°C (77°F) | 8°C (46°F) | 0" |
| 2012 | 14°C (58°F) | 4°C (39°F) | 0" |
| 2011 | 23°C (74°F) | 8°C (46°F) | 0" |
| 2010 | 13°C (55°F) | 5°C (41°F) | 0.16" |
| 2009 | 24°C (75°F) | 3°C (37°F) | 0" |
| 2008 | 24°C (75°F) | 5°C (41°F) | 0" |
| 2007 | 27°C (80°F) | 7°C (44°F) | 0" |
| 2006 | 27°C (81°F) | 7°C (44°F) | 0" |
| 2005 | 11°C (52°F) | 4°C (39°F) | 0.3" |
| 2004 | 21°C (69°F) | 6°C (42°F) | 0.2" |
| 2003 | 18°C (64°F) | 6°C (43°F) | 0.48" |
| 2002 | 21°C (69°F) | 7°C (45°F) | 0" |
| 2001 | 9°C (49°F) | 6°C (42°F) | 0" |
| 2000 | 19°C (66°F) | -2°C (29°F) | 0" |
| 1999 | 14°C (57°F) | 2°C (36°F) | 0" |
| 1998 | 25°C (77°F) | 4°C (40°F) | 0" |
| 1997 | 24°C (75°F) | 9°C (48°F) | 0.14" |
| 1996 | 24°C (76°F) | 5°C (41°F) | 0" |
| 1995 | 27°C (81°F) | 9°C (49°F) | 0" |
| 1994 | 13°C (56°F) | 3°C (38°F) | 0.44" |
| 1993 | 17°C (62°F) | 6°C (42°F) | 0.44" |
| 1992 | 16°C (60°F) | 2°C (35°F) | 0" |
| 1991 | 22°C (71°F) | 3°C (38°F) | 0" |
| 1990 | 26°C (79°F) | 5°C (41°F) | 0" |
| 1989 | 14°C (57°F) | -2°C (28°F) | 0" |
| 1988 | 15°C (59°F) | 2°C (35°F) | 0" |
| 1987 | 24°C (75°F) | 6°C (42°F) | 0" |
| 1986 | 12°C (54°F) | 3°C (37°F) | 0.86" |
| 1985 | 13°C (55°F) | 3°C (38°F) | 2.78" |
| 1984 | 10°C (50°F) | 6°C (42°F) | 2.46" |
| 1983 | 14°C (57°F) | 6°C (42°F) | 0" |
| 1982 | 15°C (59°F) | 2°C (36°F) | 0" |
| 1981 | 26°C (79°F) | 8°C (46°F) | 0" |
| 1980 | 16°C (61°F) | 8°C (46°F) | 0" |
| 1979 | 12°C (53°F) | 6°C (42°F) | 0.06" |
| 1978 | 11°C (52°F) | 9°C (48°F) | 4.01" |
| 1977 | 16°C (60°F) | 8°C (47°F) | 0" |
| 1976 | 16°C (61°F) | 5°C (41°F) | 0" |
| 1975 | 16°C (60°F) | 1°C (33°F) | 0" |
| 1974 | 6°C (43°F) | 0°C (32°F) | 0" |
| 1973 | 24°C (75°F) | 6°C (43°F) | 0" |
| 1972 | 18°C (65°F) | 0°C (32°F) | 0" |
| 1971 | 14°C (58°F) | 6°C (42°F) | 0.25" |