September weather in Norman, OK
The average temperature in Norman in September is 73.2°F (62.2°F–84.2°F). Average precipitation: 3.68 inches.
September is a fall month in Norman, and is warmer than the annual average of 60.7°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
84.2°F
Avg Low
62.2°F
Precipitation
3.68 in
Daylight
12h 13m
September records in Norman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (1939) | 50.0°F (1967) | 1.69 in (1962) |
| September 2 | 107.1°F (1939) | 51.1°F (1915) | 1.43 in (1989) |
| September 3 | 107.1°F (1939) | 46.9°F (1974) | 1.72 in (1959) |
| September 4 | 106.0°F (1947) | 45.0°F (1974) | 3.30 in (1918) |
| September 5 | 106.0°F (1913) | 48.0°F (1974) | 1.92 in (1906) |
| September 6 | 105.1°F (1936) | 51.1°F (1974) | 1.08 in (1942) |
| September 7 | 105.1°F (1907) | 46.9°F (1943) | 1.95 in (1951) |
| September 8 | 105.1°F (2012) | 46.9°F (1943) | 1.96 in (1993) |
| September 9 | 102.0°F (1896) | 48.9°F (2004) | 2.64 in (2010) |
| September 10 | 102.0°F (1930) | 45.0°F (1962) | 2.10 in (1999) |
| September 11 | 102.9°F (2000) | 41.0°F (1940) | 3.03 in (1925) |
| September 12 | 102.0°F (1895) | 41.0°F (1902) | 1.25 in (1975) |
| September 13 | 100.9°F (1895) | 37.0°F (1902) | 4.35 in (1961) |
| September 14 | 102.9°F (2011) | 41.0°F (1902) | 2.39 in (1993) |
| September 15 | 100.9°F (1895) | 43.0°F (1904) | 3.03 in (1957) |
| September 16 | 102.9°F (1896) | 43.0°F (1934) | 3.73 in (1991) |
| September 17 | 104.0°F (1896) | 45.0°F (1951) | 2.05 in (1936) |
| September 18 | 100.0°F (1896) | 46.9°F (1909) | 2.18 in (2001) |
| September 19 | 100.0°F (1954) | 45.0°F (1905) | 3.01 in (1923) |
| September 20 | 100.9°F (1954) | 39.9°F (1971) | 1.72 in (1962) |
| September 21 | 100.9°F (2024) | 43.0°F (1913) | 2.43 in (1957) |
| September 22 | 98.1°F (1921) | 39.0°F (1912) | 3.28 in (2018) |
| September 23 | 97.0°F (1939) | 43.0°F (1912) | 6.38 in (1970) |
| September 24 | 98.1°F (1898) | 41.0°F (1909) | 1.82 in (1941) |
| September 25 | 99.0°F (1898) | 41.0°F (1909) | 2.85 in (1913) |
| September 26 | 99.0°F (1898) | 32.0°F (1912) | 2.30 in (1945) |
| September 27 | 99.0°F (1898) | 33.1°F (1896) | 3.53 in (1973) |
| September 28 | 102.9°F (1953) | 36.0°F (1909) | 2.65 in (1945) |
| September 29 | 100.9°F (1953) | 34.0°F (1916) | 1.73 in (1985) |
| September 30 | 97.0°F (1938) | 35.1°F (1916) | 2.58 in (1945) |