September weather in Marietta, OH
The average temperature in Marietta in September is °F (°F–°F). Average precipitation: 3.29 inches.
September is a fall month in Marietta, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
3.29 in
Daylight
12h 15m
September records in Marietta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 0.70 in (1965) |
| September 2 | — | — | 2.10 in (2012) |
| September 3 | — | — | 2.10 in (1977) |
| September 4 | — | — | 1.98 in (1935) |
| September 5 | — | — | 1.38 in (1991) |
| September 6 | — | — | 1.30 in (1968) |
| September 7 | — | — | 1.59 in (1996) |
| September 8 | — | — | 0.93 in (1998) |
| September 9 | — | — | 3.45 in (2004) |
| September 10 | — | — | 0.95 in (1942) |
| September 11 | — | — | 0.48 in (1960) |
| September 12 | — | — | 1.10 in (1975) |
| September 13 | — | — | 1.85 in (1988) |
| September 14 | — | — | 2.30 in (1951) |
| September 15 | — | — | 1.70 in (1952) |
| September 16 | — | — | 1.65 in (1956) |
| September 17 | — | — | 2.02 in (1996) |
| September 18 | — | — | 5.14 in (2004) |
| September 19 | — | — | 2.19 in (2003) |
| September 20 | — | — | 2.35 in (1953) |
| September 21 | — | — | 2.18 in (1945) |
| September 22 | — | — | 1.20 in (1979) |
| September 23 | — | — | 0.80 in (2006) |
| September 24 | — | — | 2.10 in (1975) |
| September 25 | — | — | 1.93 in (1991) |
| September 26 | — | — | 1.32 in (2000) |
| September 27 | — | — | 1.65 in (2002) |
| September 28 | — | — | 1.74 in (1976) |
| September 29 | — | — | 1.00 in (1964) |
| September 30 | — | — | 0.60 in (1972) |