September weather in Underwood, MN
The average temperature in Underwood in September is 59.8°F (48.9°F–70.8°F). Average precipitation: 3.04 inches.
September is a fall month in Underwood, and is warmer than the annual average of 41.9°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
70.8°F
Avg Low
48.9°F
Precipitation
3.04 in
Daylight
12h 19m
September records in Underwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1921) | 37.0°F (1949) | 1.45 in (1966) |
| September 2 | 98.1°F (1929) | 37.0°F (1974) | 2.09 in (1904) |
| September 3 | 99.0°F (1925) | 32.0°F (1974) | 1.90 in (1989) |
| September 4 | 100.9°F (1922) | 35.1°F (1902) | 1.12 in (1971) |
| September 5 | 98.1°F (1945) | 32.0°F (1935) | 2.37 in (1938) |
| September 6 | 97.0°F (1945) | 30.9°F (1956) | 2.08 in (2004) |
| September 7 | 96.1°F (1978) | 36.0°F (1895) | 1.62 in (1996) |
| September 8 | 100.9°F (1931) | 32.0°F (1898) | 2.00 in (1962) |
| September 9 | 96.1°F (1931) | 30.9°F (1898) | 2.43 in (2013) |
| September 10 | 105.1°F (1931) | 32.0°F (1955) | 3.28 in (1913) |
| September 11 | 99.0°F (1931) | 30.0°F (1955) | 1.04 in (1926) |
| September 12 | 91.0°F (1969) | 26.1°F (1902) | 1.85 in (1965) |
| September 13 | 96.1°F (1927) | 27.0°F (1923) | 1.57 in (1907) |
| September 14 | 97.0°F (1939) | 28.9°F (1956) | 1.21 in (1941) |
| September 15 | 88.0°F (1939) | 32.0°F (1916) | 2.72 in (1900) |
| September 16 | 89.1°F (1948) | 28.9°F (1903) | 2.00 in (2004) |
| September 17 | 91.0°F (1955) | 28.0°F (1894) | 1.37 in (1923) |
| September 18 | 88.0°F (1930) | 21.9°F (1929) | 1.80 in (1905) |
| September 19 | 93.0°F (1940) | 26.1°F (1896) | 1.08 in (1907) |
| September 20 | 91.9°F (1984) | 25.0°F (1918) | 1.80 in (2004) |
| September 21 | 96.1°F (1937) | 24.1°F (1934) | 1.75 in (1989) |
| September 22 | 99.0°F (1936) | 21.9°F (1974) | 1.32 in (1968) |
| September 23 | 91.0°F (1936) | 28.0°F (1990) | 1.10 in (2000) |
| September 24 | 91.9°F (1935) | 25.0°F (1942) | 1.40 in (1973) |
| September 25 | 87.1°F (1938) | 23.0°F (1893) | 1.43 in (1901) |
| September 26 | 89.1°F (1974) | 21.9°F (1965) | 0.72 in (1929) |
| September 27 | 90.0°F (1952) | 24.1°F (1935) | 0.61 in (1916) |
| September 28 | 87.1°F (1905) | 19.9°F (1930) | 0.86 in (2013) |
| September 29 | 86.0°F (1897) | 21.0°F (1899) | 0.89 in (1988) |
| September 30 | 84.0°F (1922) | 26.1°F (1895) | 1.38 in (1995) |