September weather in Spencer, IN
The average temperature in Spencer in September is 66.4°F (54.0°F–78.8°F). Average precipitation: 3.76 inches.
September is a fall month in Spencer, and is warmer than the annual average of 52.8°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
78.8°F
Avg Low
54.0°F
Precipitation
3.76 in
Daylight
12h 15m
September records in Spencer
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 43.0°F (1967) | 2.85 in (1950) |
| September 2 | 100.9°F (1953) | 39.9°F (1949) | 2.61 in (2014) |
| September 3 | 102.0°F (1953) | 44.1°F (1952) | 3.21 in (1993) |
| September 4 | 100.0°F (2011) | 39.9°F (1952) | 0.97 in (1991) |
| September 5 | 100.9°F (1954) | 39.9°F (1997) | 1.29 in (2021) |
| September 6 | 104.0°F (1954) | 39.0°F (1953) | 1.52 in (1948) |
| September 7 | 102.0°F (1954) | 37.0°F (1956) | 0.54 in (1983) |
| September 8 | 96.1°F (1964) | 37.9°F (1988) | 1.61 in (2012) |
| September 9 | 97.0°F (1960) | 42.1°F (1986) | 4.26 in (2018) |
| September 10 | 99.0°F (1955) | 39.9°F (1999) | 1.52 in (2001) |
| September 11 | 95.0°F (1964) | 42.1°F (1976) | 1.51 in (1965) |
| September 12 | 95.0°F (1952) | 35.1°F (1955) | 2.37 in (1965) |
| September 13 | 93.0°F (1952) | 35.1°F (1953) | 2.05 in (2006) |
| September 14 | 95.0°F (1984) | 36.0°F (1964) | 1.85 in (1962) |
| September 15 | 93.9°F (1954) | 37.0°F (1964) | 1.32 in (1993) |
| September 16 | 93.9°F (1955) | 39.0°F (1984) | 1.70 in (1958) |
| September 17 | 97.0°F (1955) | 39.0°F (1999) | 1.88 in (1968) |
| September 18 | 97.0°F (1955) | 39.0°F (1999) | 1.34 in (2006) |
| September 19 | 99.0°F (1955) | 36.0°F (1991) | 1.39 in (1977) |
| September 20 | 97.0°F (1955) | 30.0°F (1991) | 2.29 in (2005) |
| September 21 | 91.0°F (1963) | 30.0°F (1991) | 1.98 in (2002) |
| September 22 | 98.1°F (1955) | 30.9°F (1999) | 1.83 in (2003) |
| September 23 | 93.0°F (2017) | 28.0°F (1995) | 1.40 in (1955) |
| September 24 | 91.9°F (2010) | 28.9°F (1995) | 1.69 in (1994) |
| September 25 | 91.9°F (2017) | 30.9°F (1983) | 2.46 in (1972) |
| September 26 | 91.0°F (2017) | 35.1°F (2001) | 2.65 in (2000) |
| September 27 | 91.9°F (2017) | 30.0°F (1991) | 1.96 in (2003) |
| September 28 | 91.0°F (1954) | 30.0°F (1991) | 1.28 in (1996) |
| September 29 | 91.9°F (1953) | 33.1°F (1967) | 1.63 in (1974) |
| September 30 | 100.0°F (1953) | 32.0°F (1993) | 1.47 in (1976) |