September weather in Graham, TX
The average temperature in Graham in September is 76.8°F (63.5°F–90.0°F). Average precipitation: 3.13 inches.
September is a fall month in Graham, and is warmer than the annual average of 64.5°F. Daily temperatures swing about 26.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
90.0°F
Avg Low
63.5°F
Precipitation
3.13 in
Daylight
12h 12m
September records in Graham
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 108.0°F (1939) | 55.9°F (1955) | 2.55 in (1932) |
| September 2 | 109.0°F (1939) | 50.0°F (1955) | 1.75 in (1924) |
| September 3 | 109.0°F (1951) | 53.1°F (1974) | 1.90 in (1935) |
| September 4 | 109.9°F (2000) | 48.9°F (1974) | 2.60 in (1911) |
| September 5 | 109.9°F (2000) | 48.9°F (1974) | 1.65 in (1920) |
| September 6 | 109.0°F (1907) | 48.9°F (1974) | 1.82 in (1962) |
| September 7 | 109.0°F (1907) | 46.9°F (2011) | 3.88 in (1942) |
| September 8 | 107.1°F (2012) | 48.0°F (2004) | 3.60 in (1951) |
| September 9 | 107.1°F (2012) | 48.9°F (2004) | 2.60 in (2008) |
| September 10 | 105.1°F (1936) | 48.9°F (2004) | 4.62 in (2007) |
| September 11 | 106.0°F (2000) | 48.9°F (1968) | 4.12 in (2003) |
| September 12 | 100.9°F (1907) | 46.0°F (1940) | 2.10 in (1924) |
| September 13 | 102.9°F (2011) | 51.1°F (1968) | 3.43 in (1946) |
| September 14 | 104.0°F (1918) | 42.1°F (1945) | 4.90 in (1996) |
| September 15 | 102.9°F (1965) | 43.0°F (1993) | 1.61 in (1988) |
| September 16 | 104.0°F (1965) | 44.1°F (1993) | 4.82 in (1936) |
| September 17 | 104.0°F (1997) | 44.1°F (1951) | 2.06 in (1974) |
| September 18 | 104.0°F (1907) | 42.1°F (1981) | 1.65 in (1966) |
| September 19 | 100.9°F (1907) | 44.1°F (1981) | 2.20 in (1976) |
| September 20 | 106.0°F (1953) | 41.0°F (1971) | 2.75 in (1976) |
| September 21 | 102.9°F (1944) | 36.0°F (1983) | 1.75 in (1967) |
| September 22 | 102.9°F (1910) | 39.0°F (1983) | 4.50 in (1990) |
| September 23 | 104.0°F (1907) | 39.0°F (1983) | 3.00 in (1924) |
| September 24 | 106.0°F (1907) | 37.0°F (1989) | 2.00 in (1925) |
| September 25 | 100.9°F (1931) | 37.0°F (1989) | 2.10 in (2010) |
| September 26 | 108.0°F (1977) | 37.0°F (1989) | 5.80 in (1955) |
| September 27 | 107.1°F (1953) | 30.0°F (1942) | 2.58 in (1960) |
| September 28 | 107.1°F (1953) | 37.0°F (1908) | 3.80 in (1980) |
| September 29 | 105.1°F (1977) | 37.9°F (1999) | 2.50 in (1980) |
| September 30 | 104.0°F (1977) | 37.9°F (1942) | 1.97 in (1945) |