September weather in Buchanan, ND
The average temperature in Buchanan in September is 58.4°F (45.9°F–70.9°F). Average precipitation: 2.06 inches.
September is a fall month in Buchanan, and is warmer than the annual average of 41.3°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
70.9°F
Avg Low
45.9°F
Precipitation
2.06 in
Daylight
12h 19m
September records in Buchanan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1983) | 35.1°F (1949) | 2.94 in (1992) |
| September 2 | 105.1°F (1983) | 35.1°F (1952) | 1.04 in (2019) |
| September 3 | 98.1°F (1978) | 32.0°F (1974) | 0.89 in (1989) |
| September 4 | 97.0°F (1948) | 34.0°F (2025) | 2.48 in (2016) |
| September 5 | 105.1°F (1978) | 32.0°F (1965) | 0.86 in (2004) |
| September 6 | 100.9°F (1978) | 32.0°F (1956) | 1.96 in (2010) |
| September 7 | 96.1°F (2002) | 33.1°F (2025) | 0.75 in (2016) |
| September 8 | 102.0°F (1959) | 32.0°F (2020) | 1.58 in (1991) |
| September 9 | 91.0°F (1994) | 29.1°F (2020) | 0.89 in (2013) |
| September 10 | 99.0°F (1952) | 28.0°F (1959) | 1.21 in (1961) |
| September 11 | 95.0°F (1948) | 27.0°F (1955) | 0.75 in (2009) |
| September 12 | 93.9°F (1952) | 32.0°F (1955) | 0.89 in (1980) |
| September 13 | 88.0°F (1997) | 27.0°F (1970) | 0.65 in (1954) |
| September 14 | 88.0°F (1968) | 27.0°F (1949) | 1.00 in (1991) |
| September 15 | 99.0°F (1948) | 28.0°F (1964) | 1.28 in (1994) |
| September 16 | 93.9°F (1979) | 23.0°F (1959) | 1.04 in (1986) |
| September 17 | 91.9°F (1989) | 26.1°F (1959) | 0.61 in (2003) |
| September 18 | 88.0°F (1989) | 30.9°F (1971) | 1.61 in (1957) |
| September 19 | 93.9°F (1972) | 28.9°F (1991) | 1.00 in (1961) |
| September 20 | 89.1°F (1960) | 28.0°F (1973) | 0.95 in (2018) |
| September 21 | 90.0°F (1984) | 27.0°F (1982) | 1.38 in (2019) |
| September 22 | 86.0°F (2013) | 24.1°F (1974) | 0.52 in (2006) |
| September 23 | 91.9°F (1958) | 24.1°F (2012) | 1.35 in (1977) |
| September 24 | 84.9°F (1990) | 23.0°F (1951) | 2.37 in (1973) |
| September 25 | 91.9°F (1949) | 24.1°F (1965) | 0.61 in (1959) |
| September 26 | 91.9°F (1963) | 18.0°F (1965) | 0.56 in (1996) |
| September 27 | 97.0°F (1956) | 25.0°F (1967) | 0.49 in (1996) |
| September 28 | 91.0°F (2021) | 23.0°F (1949) | 0.45 in (2013) |
| September 29 | 89.1°F (2024) | 26.1°F (1956) | 0.94 in (1965) |
| September 30 | 91.0°F (1976) | 21.0°F (1974) | 0.87 in (1969) |