September weather in Princeton, KY
The average temperature in Princeton in September is 70.9°F (58.6°F–83.3°F). Average precipitation: 3.28 inches.
September is a fall month in Princeton, and is warmer than the annual average of 58.6°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
83.3°F
Avg Low
58.6°F
Precipitation
3.28 in
Daylight
12h 13m
September records in Princeton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1999) | 46.0°F (1967) | 1.36 in (2013) |
| September 2 | 98.1°F (2011) | 46.0°F (1967) | 2.80 in (2020) |
| September 3 | 100.0°F (2011) | 52.0°F (1974) | 2.03 in (2012) |
| September 4 | 102.0°F (1999) | 46.9°F (1974) | 1.24 in (1969) |
| September 5 | 100.9°F (1999) | 46.0°F (1997) | 1.73 in (1968) |
| September 6 | 99.0°F (1990) | 46.0°F (1988) | 0.59 in (2007) |
| September 7 | 100.0°F (1990) | 44.1°F (2017) | 1.08 in (1980) |
| September 8 | 97.0°F (1999) | 48.9°F (1986) | 1.30 in (1997) |
| September 9 | 99.0°F (1983) | 48.9°F (1986) | 0.76 in (1974) |
| September 10 | 97.0°F (1983) | 46.9°F (1969) | 1.19 in (2010) |
| September 11 | 98.1°F (1983) | 42.1°F (1976) | 1.91 in (1965) |
| September 12 | 93.9°F (1980) | 45.0°F (1968) | 1.12 in (2006) |
| September 13 | 95.0°F (1980) | 43.0°F (2015) | 1.75 in (1979) |
| September 14 | 95.0°F (1980) | 44.1°F (1975) | 1.35 in (1979) |
| September 15 | 93.9°F (1991) | 45.0°F (1974) | 2.34 in (1981) |
| September 16 | 95.0°F (1991) | 42.1°F (1966) | 1.52 in (1995) |
| September 17 | 93.0°F (1983) | 42.1°F (1984) | 1.00 in (1980) |
| September 18 | 93.0°F (2018) | 46.0°F (1980) | 0.80 in (1968) |
| September 19 | 95.0°F (1978) | 42.1°F (1973) | 0.83 in (1966) |
| September 20 | 96.1°F (2018) | 41.0°F (1991) | 1.87 in (2002) |
| September 21 | 97.0°F (2010) | 39.9°F (1991) | 5.15 in (1979) |
| September 22 | 98.1°F (2010) | 34.0°F (1983) | 3.57 in (2006) |
| September 23 | 97.0°F (2010) | 36.0°F (1974) | 3.35 in (2006) |
| September 24 | 96.1°F (2010) | 36.0°F (1983) | 1.71 in (2018) |
| September 25 | 91.0°F (2008) | 35.1°F (1965) | 2.00 in (2011) |
| September 26 | 90.0°F (1986) | 35.1°F (2001) | 1.56 in (1992) |
| September 27 | 95.0°F (1998) | 37.9°F (1991) | 2.65 in (2002) |
| September 28 | 96.1°F (1998) | 41.0°F (1975) | 1.19 in (1996) |
| September 29 | 97.0°F (1998) | 37.9°F (2003) | 1.30 in (1974) |
| September 30 | 93.9°F (1998) | 37.9°F (1993) | 0.76 in (1985) |