September weather in Griffin, IN
The average temperature in Griffin in September is 69.8°F (57.3°F–82.2°F). Average precipitation: 3.72 inches.
September is a fall month in Griffin, and is warmer than the annual average of 56.2°F. Daily temperatures swing about 24.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
82.2°F
Avg Low
57.3°F
Precipitation
3.72 in
Daylight
12h 14m
September records in Griffin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1897) | 50.0°F (2009) | 1.56 in (2012) |
| September 2 | 99.0°F (2011) | 50.0°F (2009) | 2.45 in (2012) |
| September 3 | 100.0°F (2011) | 53.1°F (2009) | 0.89 in (2012) |
| September 4 | 100.0°F (2011) | 54.0°F (2010) | 0.01 in (2003) |
| September 5 | 100.9°F (1899) | 48.0°F (2010) | 0.29 in (2012) |
| September 6 | 100.9°F (1899) | 48.0°F (2010) | 0.52 in (2009) |
| September 7 | 100.0°F (1899) | 51.1°F (2011) | 1.69 in (2012) |
| September 8 | 97.0°F (2002) | 48.0°F (1898) | 0.92 in (2001) |
| September 9 | 97.0°F (2002) | 53.1°F (1898) | 1.24 in (2007) |
| September 10 | 96.1°F (2002) | 52.0°F (2001) | 0.21 in (2010) |
| September 11 | 96.1°F (1897) | 52.0°F (2001) | 2.40 in (1901) |
| September 12 | 97.0°F (1897) | 53.1°F (2001) | 1.72 in (2008) |
| September 13 | 95.0°F (1897) | 50.0°F (2007) | 1.01 in (1898) |
| September 14 | 96.1°F (1897) | 50.0°F (2007) | 0.68 in (2003) |
| September 15 | 97.0°F (1897) | 39.9°F (2011) | 0.45 in (1898) |
| September 16 | 93.9°F (1897) | 46.0°F (2007) | 0.50 in (1897) |
| September 17 | 89.1°F (2002) | 48.0°F (1900) | 1.31 in (2012) |
| September 18 | 89.1°F (2006) | 39.0°F (1901) | 1.41 in (2011) |
| September 19 | 93.0°F (2010) | 39.0°F (1901) | 1.76 in (2011) |
| September 20 | 91.9°F (2005) | 42.1°F (2012) | 1.72 in (2002) |
| September 21 | 95.0°F (2010) | 44.1°F (1897) | 2.69 in (2002) |
| September 22 | 99.0°F (2010) | 44.1°F (2003) | 0.77 in (2003) |
| September 23 | 93.9°F (2007) | 39.0°F (2012) | 0.92 in (2006) |
| September 24 | 96.1°F (2007) | 39.0°F (2012) | 0.64 in (2006) |
| September 25 | 93.9°F (2007) | 39.9°F (2001) | 3.39 in (2011) |
| September 26 | 93.0°F (1897) | 37.0°F (2001) | 1.40 in (1900) |
| September 27 | 87.1°F (1901) | 37.9°F (2001) | 1.39 in (2002) |
| September 28 | 89.1°F (1898) | 45.0°F (2001) | 0.17 in (2003) |
| September 29 | 89.1°F (1898) | 41.0°F (1899) | 0.39 in (2005) |
| September 30 | 87.1°F (1897) | 33.1°F (1899) | 0.33 in (2008) |