September weather in Jamestown, ND
The average temperature in Jamestown in September is 58.7°F (46.2°F–71.2°F). Average precipitation: 2.24 inches.
September is a fall month in Jamestown, and is warmer than the annual average of 41.2°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
71.2°F
Avg Low
46.2°F
Precipitation
2.24 in
Daylight
12h 19m
September records in Jamestown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1937) | 33.1°F (1946) | 3.91 in (1997) |
| September 2 | 104.0°F (1983) | 32.0°F (1917) | 1.05 in (2005) |
| September 3 | 100.0°F (1978) | 30.0°F (1974) | 1.12 in (1989) |
| September 4 | 100.0°F (1978) | 30.0°F (1902) | 1.56 in (2014) |
| September 5 | 102.9°F (1978) | 28.0°F (1924) | 2.07 in (2016) |
| September 6 | 107.1°F (1931) | 30.0°F (1929) | 1.60 in (1981) |
| September 7 | 100.0°F (1906) | 32.0°F (1929) | 1.85 in (2010) |
| September 8 | 100.0°F (1906) | 26.1°F (1898) | 2.75 in (1921) |
| September 9 | 96.1°F (1906) | 28.0°F (1898) | 1.62 in (1946) |
| September 10 | 99.0°F (1952) | 27.0°F (1917) | 1.70 in (1961) |
| September 11 | 96.1°F (1948) | 28.9°F (1955) | 0.62 in (1901) |
| September 12 | 93.9°F (1976) | 21.9°F (1902) | 1.25 in (1903) |
| September 13 | 95.0°F (2017) | 25.0°F (1898) | 1.14 in (1942) |
| September 14 | 91.0°F (1908) | 28.0°F (1949) | 1.20 in (1928) |
| September 15 | 100.0°F (1948) | 25.0°F (1916) | 2.21 in (1900) |
| September 16 | 95.0°F (1979) | 28.0°F (1916) | 1.32 in (1986) |
| September 17 | 91.9°F (1908) | 3.9°F (2016) | 0.63 in (2003) |
| September 18 | 95.0°F (1933) | 15.1°F (1929) | 2.40 in (1977) |
| September 19 | 96.1°F (1940) | 18.0°F (1929) | 1.14 in (1988) |
| September 20 | 96.1°F (1922) | 19.0°F (1918) | 0.78 in (1924) |
| September 21 | 97.0°F (1922) | 25.0°F (1934) | 1.59 in (2019) |
| September 22 | 98.1°F (1936) | 21.9°F (1947) | 1.13 in (1969) |
| September 23 | 93.0°F (1958) | 19.9°F (1983) | 1.25 in (2004) |
| September 24 | 84.9°F (1897) | 23.0°F (1928) | 2.23 in (1973) |
| September 25 | 95.0°F (1938) | 18.0°F (1926) | 1.27 in (1986) |
| September 26 | 91.9°F (1952) | 19.0°F (1942) | 0.80 in (1973) |
| September 27 | 96.1°F (1952) | 19.0°F (1927) | 1.18 in (1924) |
| September 28 | 96.1°F (1905) | 18.0°F (1930) | 0.40 in (1915) |
| September 29 | 93.9°F (1905) | 17.1°F (1930) | 1.03 in (1925) |
| September 30 | 93.0°F (1976) | 17.1°F (1907) | 0.93 in (2021) |