September weather in Marietta, TX
The average temperature in Marietta in September is °F (°F–°F). Average precipitation: 4.25 inches.
September is a fall month in Marietta, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 12m.
Avg High
°F
Avg Low
°F
Precipitation
4.25 in
Daylight
12h 12m
September records in Marietta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1975) | 66.0°F (1972) | 3.32 in (2001) |
| September 2 | 96.1°F (1977) | 66.0°F (1979) | 1.99 in (2022) |
| September 3 | 98.1°F (1975) | 57.9°F (1974) | 2.52 in (1992) |
| September 4 | 98.1°F (1975) | 48.9°F (1974) | 1.93 in (2009) |
| September 5 | 99.0°F (1975) | 50.0°F (1974) | 3.05 in (1973) |
| September 6 | 97.0°F (1977) | 52.0°F (1974) | 2.82 in (1973) |
| September 7 | 96.1°F (1969) | 59.0°F (1976) | 0.82 in (1942) |
| September 8 | 96.1°F (1969) | 59.0°F (1975) | 0.90 in (2010) |
| September 9 | 99.0°F (1972) | 59.0°F (1979) | 1.58 in (2001) |
| September 10 | 93.9°F (1972) | 51.1°F (1976) | 2.37 in (1951) |
| September 11 | 91.0°F (1972) | 50.0°F (1976) | 2.73 in (1998) |
| September 12 | 95.0°F (1972) | 51.1°F (1976) | 5.43 in (1998) |
| September 13 | 93.9°F (1972) | 52.0°F (1969) | 3.64 in (1961) |
| September 14 | 95.0°F (1972) | 55.9°F (1979) | 1.74 in (2008) |
| September 15 | 95.0°F (1972) | 53.1°F (1979) | 3.57 in (2009) |
| September 16 | 93.0°F (1969) | 50.0°F (1979) | 6.30 in (1950) |
| September 17 | 91.9°F (1976) | 51.1°F (1979) | 3.77 in (1964) |
| September 18 | 95.0°F (1972) | 57.0°F (1973) | 1.46 in (2009) |
| September 19 | 93.9°F (1972) | 57.9°F (1971) | 2.15 in (2006) |
| September 20 | 97.0°F (1972) | 50.0°F (1971) | 3.25 in (1986) |
| September 21 | 96.1°F (1972) | 50.0°F (1971) | 7.11 in (2013) |
| September 22 | 91.9°F (1970) | 51.1°F (1976) | 3.85 in (1957) |
| September 23 | 91.0°F (1970) | 46.9°F (1974) | 2.40 in (1996) |
| September 24 | 90.0°F (1978) | 50.0°F (1974) | 1.95 in (2018) |
| September 25 | 90.0°F (1977) | 45.0°F (1975) | 3.70 in (2005) |
| September 26 | 91.9°F (1977) | 43.0°F (1975) | 2.00 in (1960) |
| September 27 | 91.0°F (1977) | 45.0°F (1975) | 1.56 in (1951) |
| September 28 | 91.0°F (1969) | 45.0°F (1975) | 1.23 in (1973) |
| September 29 | 90.0°F (1977) | 43.0°F (1975) | 4.25 in (2013) |
| September 30 | 90.0°F (1977) | 45.0°F (1974) | 1.50 in (1954) |