September weather in Chalmers, IN
The average temperature in Chalmers in September is 64.6°F (52.2°F–76.9°F). Average precipitation: 3.00 inches.
September is a fall month in Chalmers, and is warmer than the annual average of 49.9°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
76.9°F
Avg Low
52.2°F
Precipitation
3.00 in
Daylight
12h 15m
September records in Chalmers
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (2010) | 42.1°F (2009) | 1.66 in (2003) |
| September 2 | 96.1°F (2011) | 45.0°F (2009) | 1.39 in (2003) |
| September 3 | 96.1°F (2011) | 45.0°F (2017) | 2.45 in (1993) |
| September 4 | 93.9°F (2011) | 48.0°F (2024) | 0.78 in (2000) |
| September 5 | 93.9°F (2015) | 45.0°F (2010) | 0.58 in (1994) |
| September 6 | 93.0°F (2018) | 43.0°F (2011) | 1.34 in (1993) |
| September 7 | 91.0°F (2015) | 42.1°F (2011) | 0.48 in (2007) |
| September 8 | 91.0°F (2016) | 41.0°F (2025) | 1.79 in (1995) |
| September 9 | 90.0°F (2015) | 39.0°F (2025) | 1.32 in (2016) |
| September 10 | 93.0°F (2013) | 44.1°F (2025) | 1.53 in (1992) |
| September 11 | 98.1°F (2013) | 45.0°F (2008) | 2.80 in (2014) |
| September 12 | 97.0°F (2013) | 44.1°F (2017) | 1.12 in (2006) |
| September 13 | 93.9°F (2019) | 41.0°F (2014) | 0.42 in (2008) |
| September 14 | 90.0°F (2021) | 39.9°F (2014) | 0.85 in (2025) |
| September 15 | 91.9°F (2021) | 39.9°F (2014) | 1.85 in (2008) |
| September 16 | 88.0°F (2024) | 39.9°F (2011) | 0.46 in (2014) |
| September 17 | 88.0°F (2018) | 42.1°F (2011) | 1.68 in (2005) |
| September 18 | 90.0°F (2017) | 42.1°F (2014) | 0.22 in (2012) |
| September 19 | 91.9°F (2018) | 37.9°F (2012) | 2.91 in (2013) |
| September 20 | 91.9°F (2021) | 37.0°F (2012) | 0.42 in (1997) |
| September 21 | 93.0°F (2018) | 42.1°F (2012) | 1.37 in (1992) |
| September 22 | 93.9°F (2010) | 41.0°F (2012) | 1.17 in (2021) |
| September 23 | 91.9°F (2017) | 39.9°F (2012) | 0.62 in (2019) |
| September 24 | 91.9°F (2010) | 37.0°F (2012) | 1.11 in (2005) |
| September 25 | 90.0°F (2017) | 36.0°F (2012) | 0.61 in (2005) |
| September 26 | 89.1°F (2016) | 48.0°F (2013) | 0.80 in (2011) |
| September 27 | 90.0°F (2017) | 41.0°F (2022) | 1.61 in (1992) |
| September 28 | 91.0°F (2021) | 39.9°F (2010) | 1.59 in (2019) |
| September 29 | 91.0°F (2025) | 39.0°F (2022) | 1.83 in (1999) |
| September 30 | 90.0°F (2025) | 39.0°F (2022) | 0.83 in (2005) |