Weather on September 17 in Calgary
Historical weather data for September 17 in Calgary, Canada
Based on 54 years of data from CALGARY GLENMORE DAM
About This Date
September 17th in Calgary, Canada typically brings mild fall weather, with average highs around 17°C and lows near 4°C. Over 54 years of records, the warmest September 17th was in 2000 (19°C average), while the coldest was 2003 (0°C) — a 34°F range across recorded history. Precipitation has occurred on 31% of recorded September 17th dates, with snow falling 4% of the time (heaviest snowfall: 1.3"). The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for September 17th in Calgary? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 26°C (79°F) | 7°C (45°F) | -- |
| 2023 | 26°C (79°F) | 9°C (48°F) | 0 mm |
| 2022 | 18°C (64°F) | 6°C (43°F) | 0 mm |
| 2021 | 21°C (69°F) | 1°C (33°F) | 0 mm |
| 2020 | 22°C (71°F) | 6°C (42°F) | 0 mm |
| 2019 | 18°C (64°F) | 8°C (46°F) | 0 mm |
| 2018 | 12°C (54°F) | 2°C (35°F) | 2 mm |
| 2017 | 18°C (65°F) | 0°C (32°F) | 0 mm |
| 2016 | 21°C (69°F) | 10°C (50°F) | 0 mm |
| 2015 | 16°C (61°F) | 1°C (33°F) | 0 mm |
| 2014 | 26°C (78°F) | 7°C (44°F) | 0 mm |
| 2013 | 21°C (69°F) | 9°C (49°F) | 4 mm |
| 2012 | 25°C (77°F) | 4°C (40°F) | 0 mm |
| 2011 | 17°C (63°F) | 4°C (39°F) | 0 mm |
| 2010 | 8°C (46°F) | 1°C (33°F) | 1 mm |
| 2009 | 21°C (69°F) | 7°C (45°F) | 0 mm |
| 2008 | 26°C (79°F) | 5°C (41°F) | 0 mm |
| 2007 | 13°C (55°F) | 6°C (42°F) | 3 mm |
| 2006 | 9°C (48°F) | -1°C (31°F) | 0 mm |
| 2005 | 17°C (62°F) | 1°C (34°F) | 0 mm |
| 2004 | 18°C (64°F) | 3°C (37°F) | 0 mm |
| 2003 | 2°C (36°F) | -2°C (28°F) | 6 mm |
| 2002 | 14°C (58°F) | 6°C (42°F) | 0 mm |
| 2001 | 27°C (80°F) | 8°C (47°F) | 0 mm |
| 2000 | 28°C (82°F) | 10°C (50°F) | 0 mm |
| 1999 | 18°C (64°F) | 7°C (44°F) | 0 mm |
| 1998 | 15°C (59°F) | 6°C (42°F) | 23 mm |
| 1997 | 8°C (46°F) | 2°C (35°F) | 20 mm |
| 1996 | 9°C (48°F) | 6°C (42°F) | 35 mm |
| 1995 | 13°C (56°F) | 6°C (42°F) | 2 mm |
| 1994 | 28°C (83°F) | 7°C (44°F) | 0 mm |
| 1993 | 16°C (61°F) | -2°C (29°F) | 0 mm |
| 1992 | 9°C (49°F) | 1°C (34°F) | 4 mm |
| 1991 | 11°C (51°F) | 2°C (36°F) | 4 mm |
| 1990 | 17°C (62°F) | 4°C (40°F) | 0 mm |
| 1989 | 5°C (41°F) | 3°C (38°F) | 5 mm |
| 1988 | 4°C (39°F) | 1°C (34°F) | 0 mm |
| 1987 | 16°C (61°F) | 2°C (35°F) | 0 mm |
| 1986 | 6°C (42°F) | 3°C (37°F) | 6 mm |
| 1985 | 11°C (51°F) | 3°C (38°F) | 0 mm |
| 1984 | 25°C (77°F) | 7°C (45°F) | 0 mm |
| 1983 | 9°C (49°F) | 3°C (37°F) | 0 mm |
| 1982 | 23°C (74°F) | 3°C (38°F) | 0 mm |
| 1981 | 31°C (87°F) | -- | 0 mm |
| 1980 | 7°C (44°F) | 4°C (40°F) | 12 mm |
| 1979 | 22°C (72°F) | 3°C (37°F) | 0 mm |
| 1978 | 11°C (52°F) | 1°C (34°F) | 2 mm |
| 1977 | 8°C (46°F) | 3°C (38°F) | 0 mm |
| 1976 | 18°C (65°F) | 9°C (48°F) | 0 mm |
| 1975 | 15°C (59°F) | 6°C (42°F) | 6 mm |
| 1974 | 22°C (72°F) | 7°C (44°F) | 0 mm |
| 1973 | 18°C (64°F) | 0°C (32°F) | 0 mm |
| 1972 | 11°C (52°F) | 4°C (39°F) | 3 mm |
| 1971 | 13°C (56°F) | -4°C (25°F) | 0 mm |