September weather in Monticello, KY
The average temperature in Monticello in September is 69.0°F (57.3°F–80.7°F). Average precipitation: 3.80 inches.
September is a fall month in Monticello, and is warmer than the annual average of 56.4°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
80.7°F
Avg Low
57.3°F
Precipitation
3.80 in
Daylight
12h 13m
September records in Monticello
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1957) | 50.0°F (1963) | 2.41 in (2003) |
| September 2 | 96.1°F (1957) | 46.0°F (1967) | 4.06 in (1982) |
| September 3 | 98.1°F (2011) | 46.0°F (1967) | 1.30 in (1950) |
| September 4 | 97.0°F (2011) | 48.0°F (1995) | 1.55 in (1993) |
| September 5 | 96.1°F (1975) | 44.1°F (1997) | 1.20 in (1944) |
| September 6 | 98.1°F (2007) | 43.0°F (1988) | 2.52 in (2011) |
| September 7 | 96.1°F (1990) | 42.1°F (1988) | 0.83 in (2011) |
| September 8 | 96.1°F (1990) | 42.1°F (1988) | 1.59 in (2004) |
| September 9 | 96.1°F (1964) | 43.0°F (1956) | 0.60 in (1974) |
| September 10 | 96.1°F (1964) | 43.0°F (1969) | 1.60 in (1957) |
| September 11 | 95.0°F (1964) | 41.0°F (1969) | 2.36 in (2010) |
| September 12 | 91.9°F (1983) | 44.1°F (1993) | 1.37 in (1986) |
| September 13 | 93.9°F (1980) | 43.0°F (1968) | 2.18 in (1957) |
| September 14 | 96.1°F (1980) | 37.0°F (1964) | 1.79 in (1979) |
| September 15 | 93.9°F (1998) | 39.9°F (1964) | 1.83 in (1981) |
| September 16 | 93.0°F (1991) | 37.9°F (1961) | 1.02 in (1989) |
| September 17 | 91.0°F (1991) | 39.0°F (2000) | 3.09 in (1988) |
| September 18 | 90.0°F (1965) | 37.9°F (2000) | 4.20 in (2012) |
| September 19 | 91.0°F (1998) | 39.0°F (1973) | 2.54 in (1992) |
| September 20 | 91.0°F (1978) | 41.0°F (1956) | 2.24 in (1966) |
| September 21 | 91.0°F (1984) | 36.0°F (1956) | 1.80 in (1958) |
| September 22 | 93.0°F (1980) | 35.1°F (1983) | 2.35 in (1979) |
| September 23 | 91.0°F (1980) | 36.0°F (1974) | 2.33 in (2003) |
| September 24 | 93.0°F (2007) | 34.0°F (1983) | 2.80 in (1975) |
| September 25 | 91.9°F (2005) | 37.0°F (1965) | 1.09 in (1988) |
| September 26 | 91.9°F (2007) | 35.1°F (1965) | 1.52 in (2002) |
| September 27 | 91.9°F (1998) | 35.1°F (2001) | 3.13 in (2009) |
| September 28 | 91.9°F (1998) | 36.0°F (1991) | 2.60 in (1967) |
| September 29 | 91.0°F (1998) | 37.0°F (1962) | 4.28 in (1964) |
| September 30 | 91.0°F (1998) | 33.1°F (1993) | 2.85 in (1955) |