September weather in Galesburg, MI
The average temperature in Galesburg in September is 64.3°F (53.1°F–75.6°F). Average precipitation: 3.48 inches.
September is a fall month in Galesburg, and is warmer than the annual average of 50.4°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.6°F
Avg Low
53.1°F
Precipitation
3.48 in
Daylight
12h 16m
September records in Galesburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 39.9°F (1949) | 2.75 in (2018) |
| September 2 | 100.0°F (1953) | 37.9°F (1946) | 2.24 in (1981) |
| September 3 | 95.0°F (2008) | 36.0°F (1946) | 0.84 in (2010) |
| September 4 | 93.9°F (1999) | 39.0°F (1997) | 1.26 in (1939) |
| September 5 | 95.0°F (1999) | 42.1°F (1974) | 3.27 in (1943) |
| September 6 | 95.0°F (1999) | 34.0°F (1962) | 1.26 in (1971) |
| September 7 | 98.1°F (1960) | 39.0°F (1962) | 1.51 in (2023) |
| September 8 | 97.0°F (1960) | 35.1°F (2022) | 3.95 in (1989) |
| September 9 | 93.9°F (1931) | 37.9°F (1944) | 1.40 in (1946) |
| September 10 | 93.9°F (2002) | 37.0°F (1935) | 3.20 in (1950) |
| September 11 | 95.0°F (1931) | 34.0°F (1943) | 1.66 in (1947) |
| September 12 | 93.9°F (1931) | 34.0°F (1964) | 1.50 in (1978) |
| September 13 | 93.9°F (1998) | 30.0°F (1964) | 2.74 in (2008) |
| September 14 | 93.0°F (1939) | 35.1°F (1953) | 6.05 in (2008) |
| September 15 | 93.0°F (1939) | 33.1°F (1953) | 0.83 in (1993) |
| September 16 | 90.0°F (1931) | 36.0°F (1945) | 0.72 in (1936) |
| September 17 | 91.9°F (1955) | 32.0°F (1959) | 2.50 in (1995) |
| September 18 | 90.0°F (1955) | 35.1°F (1929) | 1.50 in (2021) |
| September 19 | 90.0°F (1948) | 33.1°F (1929) | 1.30 in (1960) |
| September 20 | 90.0°F (1998) | 32.0°F (1937) | 1.54 in (1988) |
| September 21 | 91.9°F (2017) | 32.0°F (1962) | 2.07 in (1947) |
| September 22 | 91.0°F (2017) | 34.0°F (1942) | 2.71 in (2025) |
| September 23 | 93.0°F (2017) | 32.0°F (1947) | 2.00 in (2021) |
| September 24 | 93.0°F (2017) | 30.9°F (1943) | 1.46 in (1945) |
| September 25 | 93.0°F (2017) | 28.9°F (1947) | 3.54 in (1986) |
| September 26 | 91.0°F (2017) | 28.9°F (1940) | 1.57 in (1935) |
| September 27 | 90.0°F (1998) | 30.9°F (1957) | 1.47 in (1971) |
| September 28 | 84.9°F (1999) | 28.0°F (1942) | 1.30 in (1944) |
| September 29 | 95.0°F (1953) | 25.0°F (1942) | 1.55 in (1973) |
| September 30 | 84.9°F (1971) | 28.9°F (1993) | 1.45 in (1986) |