September weather in Trenton, MO
The average temperature in Trenton in September is 67.1°F (54.8°F–79.4°F). Average precipitation: 3.88 inches.
September is a fall month in Trenton, and is warmer than the annual average of 52.8°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
79.4°F
Avg Low
54.8°F
Precipitation
3.88 in
Daylight
12h 15m
September records in Trenton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1984) | 43.0°F (1967) | 2.80 in (1980) |
| September 2 | 100.0°F (2000) | 46.9°F (1946) | 1.20 in (1935) |
| September 3 | 104.0°F (1939) | 42.1°F (1974) | 1.78 in (1926) |
| September 4 | 99.0°F (1913) | 37.9°F (1974) | 1.05 in (1898) |
| September 5 | 99.0°F (1936) | 41.0°F (1974) | 1.70 in (1975) |
| September 6 | 105.1°F (1939) | 42.1°F (1962) | 2.50 in (1964) |
| September 7 | 106.0°F (1939) | 39.9°F (1956) | 6.66 in (1914) |
| September 8 | 102.9°F (1947) | 37.0°F (1986) | 2.69 in (1915) |
| September 9 | 99.0°F (1947) | 41.0°F (1943) | 2.67 in (1903) |
| September 10 | 100.0°F (1938) | 37.9°F (1976) | 3.93 in (2014) |
| September 11 | 102.9°F (1936) | 39.0°F (1940) | 3.29 in (1928) |
| September 12 | 98.1°F (1939) | 37.0°F (1940) | 2.50 in (1928) |
| September 13 | 100.0°F (1939) | 37.0°F (1902) | 4.16 in (1998) |
| September 14 | 100.0°F (1939) | 37.0°F (1974) | 2.14 in (2003) |
| September 15 | 100.0°F (1939) | 37.0°F (1979) | 2.60 in (1926) |
| September 16 | 96.1°F (1931) | 37.9°F (1984) | 2.52 in (1911) |
| September 17 | 100.0°F (1953) | 37.9°F (1900) | 2.49 in (1964) |
| September 18 | 97.0°F (1895) | 35.1°F (1901) | 5.61 in (1978) |
| September 19 | 98.1°F (1948) | 35.1°F (2006) | 2.20 in (2001) |
| September 20 | 96.1°F (1948) | 35.1°F (1918) | 1.65 in (1965) |
| September 21 | 97.0°F (1940) | 35.1°F (1918) | 3.40 in (1947) |
| September 22 | 100.0°F (1937) | 33.1°F (1913) | 2.28 in (2010) |
| September 23 | 93.9°F (1939) | 28.9°F (1983) | 2.30 in (1958) |
| September 24 | 95.0°F (2017) | 33.1°F (1942) | 1.38 in (1911) |
| September 25 | 93.0°F (1933) | 34.0°F (1942) | 2.20 in (1973) |
| September 26 | 96.1°F (1938) | 30.9°F (1928) | 3.75 in (1976) |
| September 27 | 93.9°F (1956) | 30.9°F (1942) | 2.42 in (1999) |
| September 28 | 102.0°F (1953) | 27.0°F (1942) | 1.72 in (1945) |
| September 29 | 93.9°F (1953) | 30.0°F (1899) | 1.29 in (2019) |
| September 30 | 91.9°F (1937) | 28.9°F (1984) | 2.48 in (1911) |