September weather in Jamestown, KS
The average temperature in Jamestown in September is 68.5°F (56.5°F–80.4°F). Average precipitation: 2.80 inches.
September is a fall month in Jamestown, and is warmer than the annual average of 54.1°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
80.4°F
Avg Low
56.5°F
Precipitation
2.80 in
Daylight
12h 15m
September records in Jamestown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 106.0°F (1922) | 48.9°F (1974) | 3.75 in (1935) |
| September 2 | 109.0°F (2000) | 45.0°F (1893) | 1.62 in (1942) |
| September 3 | 111.9°F (1947) | 39.9°F (1974) | 2.97 in (2018) |
| September 4 | 102.0°F (1914) | 44.1°F (1902) | 1.16 in (1969) |
| September 5 | 107.1°F (1931) | 43.0°F (1962) | 3.21 in (1905) |
| September 6 | 102.9°F (1913) | 44.1°F (1896) | 4.57 in (1946) |
| September 7 | 104.0°F (1947) | 41.0°F (1898) | 2.81 in (1885) |
| September 8 | 102.0°F (2013) | 43.0°F (1890) | 1.77 in (1989) |
| September 9 | 100.0°F (1904) | 43.0°F (1902) | 2.75 in (1914) |
| September 10 | 100.0°F (1936) | 42.1°F (1898) | 2.51 in (2003) |
| September 11 | 99.0°F (1911) | 39.9°F (1894) | 2.37 in (2008) |
| September 12 | 100.0°F (1911) | 36.0°F (1902) | 2.39 in (1933) |
| September 13 | 102.9°F (1911) | 33.1°F (1890) | 1.66 in (2002) |
| September 14 | 98.1°F (1895) | 37.9°F (1892) | 1.64 in (1906) |
| September 15 | 100.0°F (1895) | 34.0°F (1993) | 2.30 in (1996) |
| September 16 | 104.0°F (1895) | 36.0°F (1903) | 1.44 in (1968) |
| September 17 | 100.0°F (1895) | 37.0°F (1981) | 2.18 in (1978) |
| September 18 | 100.0°F (1895) | 36.0°F (1901) | 1.61 in (1919) |
| September 19 | 100.9°F (2022) | 33.1°F (1991) | 1.52 in (1967) |
| September 20 | 102.0°F (2022) | 33.1°F (1918) | 2.38 in (1998) |
| September 21 | 102.9°F (2005) | 33.1°F (1983) | 2.30 in (2009) |
| September 22 | 98.1°F (1892) | 28.9°F (1995) | 1.22 in (1908) |
| September 23 | 95.0°F (1892) | 33.1°F (1983) | 2.26 in (1997) |
| September 24 | 95.0°F (1920) | 34.0°F (1965) | 1.47 in (1931) |
| September 25 | 96.1°F (2020) | 33.1°F (1926) | 2.28 in (2017) |
| September 26 | 99.0°F (2021) | 30.9°F (1984) | 1.56 in (1973) |
| September 27 | 98.1°F (1892) | 34.0°F (1889) | 1.45 in (1973) |
| September 28 | 97.0°F (1921) | 33.1°F (1942) | 1.84 in (1986) |
| September 29 | 96.1°F (1994) | 28.9°F (1984) | 1.58 in (1893) |
| September 30 | 96.1°F (2023) | 28.9°F (1895) | 3.16 in (1907) |