September weather in Bluffton, IN
The average temperature in Bluffton in September is 64.7°F (53.7°F–75.6°F). Average precipitation: 3.07 inches.
September is a fall month in Bluffton, and is warmer than the annual average of 50.1°F. Daily temperatures swing about 21.9°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
75.6°F
Avg Low
53.7°F
Precipitation
3.07 in
Daylight
12h 15m
September records in Bluffton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.0°F (1993) | 45.0°F (1988) | 1.34 in (1989) |
| September 2 | 95.0°F (2011) | 46.0°F (1994) | 1.60 in (2003) |
| September 3 | 95.0°F (2008) | 45.0°F (1987) | 1.03 in (1988) |
| September 4 | 95.0°F (2008) | 42.1°F (1974) | 1.51 in (1991) |
| September 5 | 95.0°F (2008) | 39.9°F (1974) | 0.99 in (1971) |
| September 6 | 91.9°F (1983) | 37.9°F (1984) | 1.21 in (1971) |
| September 7 | 93.0°F (1998) | 37.9°F (1988) | 0.55 in (1990) |
| September 8 | 93.0°F (1985) | 39.0°F (1986) | 1.81 in (2020) |
| September 9 | 93.0°F (2002) | 39.0°F (1979) | 1.68 in (2007) |
| September 10 | 95.0°F (1983) | 44.1°F (1980) | 2.68 in (1992) |
| September 11 | 97.0°F (1983) | 41.0°F (1993) | 1.78 in (2014) |
| September 12 | 93.9°F (2013) | 43.0°F (1973) | 1.34 in (1972) |
| September 13 | 90.0°F (2005) | 37.0°F (1975) | 1.16 in (1978) |
| September 14 | 91.9°F (1991) | 33.1°F (1975) | 1.34 in (1977) |
| September 15 | 91.0°F (1991) | 37.9°F (2013) | 0.84 in (1990) |
| September 16 | 93.0°F (1991) | 36.0°F (1984) | 1.50 in (2005) |
| September 17 | 87.1°F (1994) | 34.0°F (1984) | 1.07 in (2016) |
| September 18 | 87.1°F (2002) | 37.0°F (1984) | 1.15 in (2016) |
| September 19 | 90.0°F (2018) | 36.0°F (1982) | 1.60 in (2015) |
| September 20 | 90.0°F (1983) | 35.1°F (1991) | 1.23 in (1988) |
| September 21 | 91.0°F (2018) | 34.0°F (1991) | 1.33 in (2002) |
| September 22 | 91.9°F (2010) | 32.0°F (1976) | 1.30 in (1996) |
| September 23 | 91.9°F (2010) | 28.9°F (1995) | 0.57 in (1980) |
| September 24 | 93.0°F (2010) | 27.0°F (1989) | 0.77 in (1985) |
| September 25 | 91.9°F (2007) | 30.9°F (1989) | 1.04 in (2003) |
| September 26 | 89.1°F (1986) | 35.1°F (1987) | 2.68 in (1971) |
| September 27 | 90.0°F (1998) | 30.9°F (1989) | 1.74 in (2003) |
| September 28 | 88.0°F (1999) | 28.9°F (1989) | 1.85 in (1996) |
| September 29 | 89.1°F (1999) | 36.0°F (1984) | 1.50 in (1999) |
| September 30 | 89.1°F (1986) | 30.9°F (1993) | 0.70 in (1981) |