September weather in Barnett, MO
The average temperature in Barnett in September is 69.3°F (58.8°F–79.8°F). Average precipitation: 4.29 inches.
September is a fall month in Barnett, and is warmer than the annual average of 56.1°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
79.8°F
Avg Low
58.8°F
Precipitation
4.29 in
Daylight
12h 14m
September records in Barnett
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (1913) | 45.0°F (1919) | 4.28 in (2003) |
| September 2 | 104.0°F (1913) | 46.0°F (1915) | 2.73 in (1931) |
| September 3 | 106.0°F (1939) | 44.1°F (1974) | 2.31 in (1970) |
| September 4 | 108.0°F (1913) | 37.9°F (1988) | 4.10 in (1965) |
| September 5 | 105.1°F (1913) | 44.1°F (1902) | 4.33 in (1994) |
| September 6 | 104.0°F (1925) | 41.0°F (1988) | 1.62 in (1898) |
| September 7 | 106.0°F (1925) | 42.1°F (1956) | 1.95 in (2007) |
| September 8 | 104.0°F (1925) | 42.1°F (1956) | 2.86 in (1917) |
| September 9 | 100.9°F (1939) | 44.1°F (1943) | 3.11 in (1984) |
| September 10 | 102.9°F (1925) | 39.0°F (1998) | 2.30 in (2016) |
| September 11 | 98.1°F (1983) | 39.9°F (1917) | 3.95 in (1975) |
| September 12 | 100.0°F (1939) | 42.1°F (1917) | 2.00 in (1936) |
| September 13 | 100.9°F (1939) | 33.1°F (1902) | 3.10 in (1961) |
| September 14 | 102.0°F (1939) | 36.0°F (1902) | 5.20 in (2008) |
| September 15 | 102.0°F (1939) | 37.9°F (1916) | 2.13 in (1914) |
| September 16 | 100.0°F (1956) | 41.0°F (1902) | 2.95 in (1969) |
| September 17 | 99.0°F (1931) | 41.0°F (1993) | 2.76 in (1899) |
| September 18 | 97.0°F (1925) | 32.0°F (1901) | 2.02 in (1970) |
| September 19 | 100.9°F (1954) | 32.0°F (1901) | 0.90 in (1896) |
| September 20 | 98.1°F (1954) | 33.1°F (1918) | 2.36 in (1942) |
| September 21 | 97.0°F (1955) | 34.0°F (1918) | 2.32 in (1947) |
| September 22 | 99.0°F (1937) | 35.1°F (1983) | 2.40 in (1970) |
| September 23 | 95.0°F (1939) | 35.1°F (1988) | 3.80 in (1933) |
| September 24 | 93.9°F (1935) | 30.9°F (1988) | 3.72 in (1996) |
| September 25 | 95.0°F (1939) | 33.1°F (1942) | 2.00 in (1937) |
| September 26 | 93.9°F (1938) | 34.0°F (1899) | 1.85 in (2007) |
| September 27 | 93.9°F (1898) | 30.9°F (1942) | 3.42 in (1936) |
| September 28 | 100.0°F (1953) | 32.0°F (1942) | 1.70 in (1936) |
| September 29 | 99.0°F (1953) | 30.0°F (1916) | 1.84 in (1934) |
| September 30 | 91.0°F (1938) | 30.9°F (1899) | 5.81 in (1925) |