September weather in Marietta, OK
The average temperature in Marietta in September is 73.8°F (61.4°F–86.2°F). Average precipitation: 3.83 inches.
September is a fall month in Marietta, and is warmer than the annual average of 61.5°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
86.2°F
Avg Low
61.4°F
Precipitation
3.83 in
Daylight
12h 12m
September records in Marietta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (1985) | 55.9°F (1967) | 2.20 in (1994) |
| September 2 | 109.0°F (2000) | 55.0°F (1952) | 5.62 in (2020) |
| September 3 | 109.9°F (2000) | 48.9°F (1974) | 1.60 in (1942) |
| September 4 | 109.9°F (2000) | 48.0°F (1974) | 2.56 in (1959) |
| September 5 | 109.9°F (2000) | 48.9°F (1974) | 3.70 in (1986) |
| September 6 | 107.1°F (1947) | 45.0°F (2011) | 4.45 in (1973) |
| September 7 | 104.0°F (1947) | 45.0°F (2011) | 1.67 in (1967) |
| September 8 | 104.0°F (2012) | 46.0°F (2011) | 3.45 in (1991) |
| September 9 | 102.9°F (1954) | 48.0°F (2004) | 6.59 in (2010) |
| September 10 | 100.0°F (1954) | 46.9°F (2004) | 1.44 in (2002) |
| September 11 | 100.9°F (1963) | 51.1°F (1968) | 1.47 in (2009) |
| September 12 | 102.0°F (1963) | 50.0°F (1959) | 2.96 in (2003) |
| September 13 | 105.1°F (2011) | 48.0°F (1959) | 3.10 in (1950) |
| September 14 | 107.1°F (2011) | 45.0°F (1945) | 4.70 in (1993) |
| September 15 | 102.0°F (1943) | 45.0°F (1993) | 2.52 in (1987) |
| September 16 | 102.9°F (1952) | 45.0°F (2008) | 2.70 in (1994) |
| September 17 | 106.0°F (1997) | 44.1°F (1981) | 2.73 in (1964) |
| September 18 | 100.0°F (1954) | 43.0°F (1981) | 1.04 in (2016) |
| September 19 | 100.0°F (1954) | 45.0°F (1981) | 1.37 in (1967) |
| September 20 | 102.9°F (1953) | 42.1°F (1971) | 2.85 in (1947) |
| September 21 | 100.9°F (1956) | 41.0°F (1983) | 2.57 in (2019) |
| September 22 | 99.0°F (1948) | 41.0°F (1999) | 2.38 in (1957) |
| September 23 | 98.1°F (2005) | 39.0°F (1999) | 2.97 in (1955) |
| September 24 | 98.1°F (2000) | 41.0°F (1999) | 1.30 in (1968) |
| September 25 | 102.9°F (1977) | 43.0°F (1989) | 2.56 in (1974) |
| September 26 | 100.0°F (1953) | 37.0°F (2000) | 1.51 in (1962) |
| September 27 | 102.0°F (1959) | 33.1°F (1942) | 2.41 in (1973) |
| September 28 | 105.1°F (1953) | 39.0°F (2000) | 5.65 in (1980) |
| September 29 | 100.9°F (1953) | 42.1°F (1942) | 1.57 in (1985) |
| September 30 | 100.9°F (2011) | 36.0°F (1984) | 3.11 in (1943) |