September weather in Barnum, MN
The average temperature in Barnum in September is 58.6°F (48.2°F–68.9°F). Average precipitation: 3.18 inches.
September is a fall month in Barnum, and is warmer than the annual average of 41.4°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
68.9°F
Avg Low
48.2°F
Precipitation
3.18 in
Daylight
12h 19m
September records in Barnum
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (1930) | 28.0°F (1974) | 1.65 in (1986) |
| September 2 | 93.9°F (1961) | 30.0°F (1946) | 1.29 in (1937) |
| September 3 | 93.9°F (1961) | 27.0°F (1974) | 3.95 in (1985) |
| September 4 | 95.0°F (1929) | 28.0°F (1918) | 0.97 in (2014) |
| September 5 | 89.1°F (1970) | 30.0°F (1972) | 0.99 in (1930) |
| September 6 | 93.0°F (1960) | 30.9°F (1935) | 2.18 in (1990) |
| September 7 | 97.0°F (1976) | 27.0°F (1956) | 2.73 in (1991) |
| September 8 | 93.0°F (1976) | 30.9°F (1956) | 1.71 in (1938) |
| September 9 | 93.0°F (1931) | 30.0°F (1956) | 2.01 in (1938) |
| September 10 | 89.1°F (1931) | 24.1°F (1917) | 1.91 in (1983) |
| September 11 | 87.1°F (1948) | 24.1°F (1918) | 1.35 in (1950) |
| September 12 | 93.0°F (1931) | 28.0°F (1940) | 2.98 in (2003) |
| September 13 | 89.1°F (1939) | 25.0°F (1963) | 2.40 in (2005) |
| September 14 | 91.9°F (1939) | 32.0°F (1929) | 1.69 in (1990) |
| September 15 | 93.0°F (1939) | 25.0°F (1964) | 3.50 in (1994) |
| September 16 | 91.9°F (1948) | 28.9°F (1918) | 1.04 in (1983) |
| September 17 | 88.0°F (1948) | 21.9°F (1959) | 1.85 in (1986) |
| September 18 | 87.1°F (1955) | 19.9°F (1929) | 1.98 in (1914) |
| September 19 | 89.1°F (1984) | 19.9°F (1929) | 2.58 in (2007) |
| September 20 | 89.1°F (1984) | 24.1°F (1956) | 1.87 in (1988) |
| September 21 | 88.0°F (2016) | 21.0°F (1934) | 2.18 in (1972) |
| September 22 | 82.0°F (1940) | 18.0°F (1974) | 1.50 in (1945) |
| September 23 | 87.1°F (1937) | 23.0°F (1983) | 1.11 in (1968) |
| September 24 | 88.0°F (1930) | 24.1°F (1976) | 2.46 in (1984) |
| September 25 | 82.9°F (1950) | 18.0°F (1947) | 0.84 in (2007) |
| September 26 | 84.0°F (2014) | 21.9°F (1939) | 0.95 in (1944) |
| September 27 | 84.9°F (1987) | 21.0°F (1935) | 0.93 in (1981) |
| September 28 | 84.9°F (2014) | 19.9°F (1942) | 0.55 in (1997) |
| September 29 | 81.0°F (1948) | 21.9°F (1984) | 0.61 in (1983) |
| September 30 | 82.0°F (1976) | 18.0°F (1939) | 4.85 in (2019) |