September weather in East Grand Forks, MN
The average temperature in East Grand Forks in September is 58.5°F (47.4°F–69.7°F). Average precipitation: 2.42 inches.
September is a fall month in East Grand Forks, and is warmer than the annual average of 40.5°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.
Avg High
69.7°F
Avg Low
47.4°F
Precipitation
2.42 in
Daylight
12h 20m
September records in East Grand Forks
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1894) | 33.1°F (1974) | 3.00 in (1957) |
| September 2 | 100.0°F (1983) | 33.1°F (1917) | 3.03 in (1957) |
| September 3 | 93.9°F (1978) | 33.1°F (1918) | 0.87 in (1898) |
| September 4 | 96.1°F (1979) | 34.0°F (1914) | 3.73 in (2016) |
| September 5 | 102.0°F (1978) | 32.0°F (1924) | 2.50 in (1910) |
| September 6 | 98.1°F (1976) | 32.0°F (1956) | 2.28 in (1981) |
| September 7 | 100.0°F (1931) | 33.1°F (1895) | 2.46 in (1970) |
| September 8 | 97.0°F (1959) | 30.9°F (1956) | 2.77 in (1962) |
| September 9 | 96.1°F (1931) | 30.0°F (1917) | 0.99 in (1954) |
| September 10 | 96.1°F (1952) | 21.9°F (1917) | 2.52 in (1950) |
| September 11 | 96.1°F (1931) | 25.0°F (1902) | 1.62 in (1978) |
| September 12 | 93.9°F (2017) | 28.0°F (1910) | 1.95 in (1903) |
| September 13 | 93.0°F (1927) | 24.1°F (1923) | 1.70 in (1919) |
| September 14 | 87.1°F (1908) | 25.0°F (1956) | 2.21 in (1900) |
| September 15 | 87.1°F (1923) | 27.0°F (1903) | 2.14 in (2017) |
| September 16 | 91.9°F (1979) | 26.1°F (1973) | 1.16 in (1997) |
| September 17 | 91.9°F (1998) | 21.9°F (1894) | 1.20 in (2003) |
| September 18 | 91.0°F (1914) | 18.0°F (1929) | 2.04 in (1950) |
| September 19 | 91.9°F (1914) | 21.9°F (1896) | 1.46 in (1920) |
| September 20 | 91.0°F (1914) | 23.0°F (1918) | 4.73 in (2019) |
| September 21 | 91.9°F (1908) | 24.1°F (1934) | 1.75 in (1973) |
| September 22 | 96.1°F (1922) | 21.0°F (1974) | 0.97 in (2000) |
| September 23 | 91.0°F (2007) | 25.0°F (1976) | 1.85 in (2010) |
| September 24 | 86.0°F (1990) | 24.1°F (1951) | 2.02 in (1973) |
| September 25 | 93.9°F (1938) | 24.1°F (1926) | 0.55 in (1933) |
| September 26 | 91.0°F (1974) | 14.0°F (1893) | 2.94 in (1964) |
| September 27 | 96.1°F (1952) | 10.9°F (1893) | 0.81 in (1947) |
| September 28 | 91.0°F (2021) | 18.0°F (1942) | 1.04 in (2013) |
| September 29 | 88.0°F (1905) | 21.0°F (1930) | 1.05 in (2019) |
| September 30 | 90.0°F (1976) | 21.0°F (1907) | 0.82 in (1981) |