| COMPLETE WINNIPEG RECORD TEMPERATURES SINCE 1872 | |||||
| September | |||||
| DATE | HIGH | YEAR | LOW | YEAR | COMMENTS |
| 1 | 37.2 | 1929 | 1.1 | 1946 | |
| 2 | 38.8 | 1983 | -1.7 | 1946 | |
| 3 | 35.2 | 1978 | -0.6 | 1896 | |
| 4 | 34.4 | 1940 | 1.1 | 1885 | |
| 5 | 36.2 | 1978 | 0.6 | 1903 | |
| 6 | 34.5 | 1976 | -0.6 | 1881 | |
| 7 | 37.2 | 1906 | -2.2 | 1883 | |
| 8 | 33.9 | 1897 | -3.9 | 1883 | (EC says high 30.8 2003; note 31.6 in 2011 also beats EC's reported record) |
| 9 | 36.1 | 1906 | -1.7 | 1935 | |
| 10 | 32.4 | 1998 | -1.1 | 1875, 1918 | |
| 11 | 33.9 | 1931 | -2.8 | 1940 | |
| 12 | 33.3 | 1952 | -5.0 | 1888 | |
| 13 | 31.7 | 1927 | -2.8 | 1886* | |
| 14 | 30.0 | 1927 | -3.9 | 1886 | |
| 15 | 32.8 | 1908 | -4.4 | 1903 | |
| 16 | 32.8 | 1979 | -2.8 | 1881 | |
| 17 | 31.8 | 1989 | -2.8 | 1875* | |
| 18 | 30.0 | 1939 | -4.2 | 1980 | |
| 19 | 31.2 | 2004 | -3.9 | 1973 | Previous record high: 30.0 in 1941 |
| 20 | 27.8 | 1940 | -3.9 | 1882, 1999 | |
| 21 | 31.7 | 1938 | -6.7 | 1896 | |
| 22 | 32.2 | 1938 | -7.8 | 1899 | (EC says low -4.4 1974; note -4.9 in 2012 also beats EC's reported record) |
| 23 | 30.6 | 1875 | -7.1 | 2012 | Previous record low: -6.1 in 1879 (also lower than EC's reported record -5.6 1943) |
| 24 | 30.4 | 1997 | -5.6 | 1947 | |
| 25 | 31.1 | 1950 | -6.7 | 1951* | |
| 26 | 31.7 | 1952 | -7.2 | 1965 | |
| 27 | 35.6 | 1952 | -5.6 | 1907 | |
| 28 | 28.9 | 1897* | -7.0 | 2002 | |
| 29 | 30.0 | 1905 | -8.3 | 1899 | (EC says high 29.4 1943; note high 29.6 in 2012 also beats EC's record) |
| 30 | 30.4 | 2025 | -7.2 | 1883 | Previous record high: 29.6 in 1989. Now only two of September's record highs are below 30 Celsius. |
| * = Record has since been equalled, but year not recorded; previous records noted when known. | |||||
| Red: Highest for the month. Blue: Lowest for the month. Bold: Highest or lowest ever. | |||||
| All temperatures are Celsius. | Page last updated: 2012 | ||||