September weather in Columbus, MT
The average temperature in Columbus in September is 56.7°F (39.2°F–74.2°F). Average precipitation: 1.36 inches. Average snowfall is 0.2 inches.
September is a fall month in Columbus, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 35°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
74.2°F
Avg Low
39.2°F
Precipitation
1.36 in
Snow
0.2 in
September records in Columbus
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1940) | 34.0°F (1932) | 0.78 in (2008) |
| September 2 | 98.1°F (1947) | 30.0°F (2006) | 2.20 in (1944) |
| September 3 | 99.0°F (1950) | 30.9°F (2006) | 1.47 in (1971) |
| September 4 | 102.0°F (1950) | 28.0°F (1962) | 0.71 in (1936) |
| September 5 | 97.0°F (1931) | 32.0°F (1951) | 0.45 in (2016) |
| September 6 | 100.0°F (2020) | 30.0°F (1956) | 0.74 in (1949) |
| September 7 | 100.0°F (1932) | 30.9°F (1943) | 1.62 in (1941) |
| September 8 | 99.0°F (2022) | 26.1°F (1943) | 0.85 in (1995) |
| September 9 | 93.9°F (1998) | 24.1°F (1962) | 0.60 in (1950) |
| September 10 | 91.0°F (1935) | 28.0°F (1945) | 1.06 in (1947) |
| September 11 | 93.0°F (1971) | 23.0°F (1989) | 1.04 in (1952) |
| September 12 | 95.0°F (1990) | 25.0°F (1951) | 0.99 in (2019) |
| September 13 | 91.9°F (1959) | 28.0°F (1974) | 1.35 in (1966) |
| September 14 | 93.9°F (1953) | 26.1°F (1970) | 1.91 in (1982) |
| September 15 | 99.0°F (2000) | 25.0°F (1970) | 0.85 in (2017) |
| September 16 | 93.9°F (1998) | 25.0°F (1936) | 1.53 in (2006) |
| September 17 | 93.0°F (1933) | 25.0°F (1965) | 0.90 in (1996) |
| September 18 | 95.0°F (1937) | 21.0°F (1943) | 2.16 in (1978) |
| September 19 | 97.0°F (1937) | 23.0°F (1965) | 1.10 in (1983) |
| September 20 | 91.9°F (1938) | 19.9°F (1983) | 1.58 in (1931) |
| September 21 | 91.9°F (1936) | 25.0°F (1983) | 2.29 in (2019) |
| September 22 | 91.9°F (1938) | 25.0°F (1955) | 1.17 in (2017) |
| September 23 | 91.0°F (1987) | 24.1°F (1955) | 0.53 in (1937) |
| September 24 | 91.9°F (2001) | 18.0°F (2000) | 0.55 in (2005) |
| September 25 | 91.0°F (2001) | 21.0°F (1984) | 0.70 in (1936) |
| September 26 | 93.9°F (2015) | 21.9°F (1934) | 0.41 in (1941) |
| September 27 | 91.9°F (2015) | 24.1°F (1951) | 1.60 in (1974) |
| September 28 | 91.9°F (1938) | 21.9°F (1984) | 0.80 in (1985) |
| September 29 | 91.9°F (1963) | 23.0°F (1959) | 0.51 in (2019) |
| September 30 | 93.0°F (2024) | 23.0°F (1985) | 0.56 in (1950) |