September weather in Colby, KS
The average temperature in Colby in September is 65.8°F (50.3°F–81.3°F). Average precipitation: 1.44 inches. Average snowfall is 0.2 inches.
September is a fall month in Colby, and is warmer than the annual average of 51.8°F. Daily temperatures swing about 31°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
81.3°F
Avg Low
50.3°F
Precipitation
1.44 in
Snow
0.2 in
September records in Colby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1985) | 45.0°F (1993) | 2.08 in (1992) |
| September 2 | 102.9°F (2011) | 39.0°F (1962) | 0.74 in (2021) |
| September 3 | 102.9°F (1964) | 32.0°F (1974) | 1.54 in (1966) |
| September 4 | 102.0°F (2023) | 36.0°F (1974) | 0.77 in (1963) |
| September 5 | 100.9°F (2023) | 39.9°F (1962) | 0.98 in (1957) |
| September 6 | 104.0°F (2010) | 37.0°F (2017) | 0.18 in (1965) |
| September 7 | 102.9°F (2000) | 42.1°F (2010) | 1.61 in (1996) |
| September 8 | 102.9°F (1971) | 41.0°F (2020) | 1.43 in (2008) |
| September 9 | 100.9°F (2013) | 34.0°F (2020) | 0.75 in (1965) |
| September 10 | 102.0°F (1964) | 33.1°F (1970) | 0.75 in (2007) |
| September 11 | 102.0°F (2021) | 37.0°F (1970) | 0.67 in (1991) |
| September 12 | 102.9°F (2021) | 34.0°F (2014) | 1.46 in (1973) |
| September 13 | 98.1°F (2004) | 30.9°F (1974) | 2.61 in (2013) |
| September 14 | 99.0°F (2000) | 33.1°F (1989) | 2.61 in (1957) |
| September 15 | 97.0°F (2017) | 33.1°F (1961) | 1.03 in (1970) |
| September 16 | 98.1°F (2015) | 37.0°F (1993) | 2.19 in (1976) |
| September 17 | 96.1°F (2015) | 35.1°F (1965) | 0.65 in (2001) |
| September 18 | 97.0°F (2018) | 36.0°F (1965) | 1.51 in (2001) |
| September 19 | 99.0°F (1997) | 30.9°F (1971) | 0.44 in (1995) |
| September 20 | 100.9°F (1980) | 33.1°F (1983) | 0.77 in (1965) |
| September 21 | 99.0°F (2022) | 23.0°F (1983) | 1.36 in (1965) |
| September 22 | 99.0°F (2005) | 24.1°F (1983) | 1.50 in (1963) |
| September 23 | 95.0°F (2017) | 28.9°F (1989) | 1.01 in (2004) |
| September 24 | 95.0°F (1958) | 28.9°F (1989) | 2.40 in (2025) |
| September 25 | 96.1°F (1966) | 28.9°F (2000) | 1.24 in (2017) |
| September 26 | 100.0°F (1998) | 27.0°F (1985) | 1.00 in (1962) |
| September 27 | 98.1°F (2021) | 30.0°F (1967) | 0.67 in (1973) |
| September 28 | 95.0°F (2021) | 28.9°F (1976) | 1.48 in (1973) |
| September 29 | 95.0°F (2023) | 27.0°F (1985) | 0.74 in (1990) |
| September 30 | 93.0°F (1994) | 21.0°F (1985) | 0.99 in (2007) |