September weather in Fishers, IN
The average temperature in Fishers in September is 65.8°F (54.5°F–77.1°F). Average precipitation: 3.46 inches.
September is a fall month in Fishers, and is warmer than the annual average of 51.6°F. Daily temperatures swing about 22.6°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
77.1°F
Avg Low
54.5°F
Precipitation
3.46 in
Daylight
12h 15m
September records in Fishers
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2011) | 42.1°F (2000) | 4.60 in (2003) |
| September 2 | 98.1°F (2011) | 46.9°F (2009) | 2.09 in (2003) |
| September 3 | 97.0°F (2011) | 48.0°F (2024) | 1.17 in (2012) |
| September 4 | 96.1°F (2008) | 48.0°F (2024) | 1.59 in (2000) |
| September 5 | 95.0°F (1999) | 46.0°F (2010) | 0.39 in (2008) |
| September 6 | 95.0°F (1999) | 45.0°F (2010) | 0.39 in (2014) |
| September 7 | 91.9°F (2015) | 46.0°F (2017) | 0.82 in (2018) |
| September 8 | 93.0°F (2002) | 39.9°F (2024) | 2.86 in (2012) |
| September 9 | 91.9°F (2002) | 43.0°F (2025) | 1.43 in (2018) |
| September 10 | 98.1°F (1999) | 44.1°F (2017) | 0.66 in (2000) |
| September 11 | 95.0°F (2013) | 45.0°F (2017) | 2.25 in (2014) |
| September 12 | 93.0°F (2013) | 46.9°F (2007) | 2.08 in (2022) |
| September 13 | 91.0°F (2019) | 46.0°F (2007) | 0.74 in (2006) |
| September 14 | 90.0°F (2008) | 43.0°F (2013) | 0.20 in (2025) |
| September 15 | 88.0°F (2024) | 42.1°F (2007) | 1.05 in (2005) |
| September 16 | 88.0°F (2025) | 39.9°F (2000) | 1.30 in (2005) |
| September 17 | 87.1°F (2024) | 44.1°F (1999) | 1.54 in (2016) |
| September 18 | 88.0°F (2018) | 39.0°F (1999) | 0.78 in (2006) |
| September 19 | 89.1°F (2018) | 41.0°F (2012) | 1.40 in (2013) |
| September 20 | 88.0°F (2002) | 39.0°F (2020) | 1.49 in (2011) |
| September 21 | 89.1°F (2018) | 41.0°F (2006) | 1.47 in (2002) |
| September 22 | 93.0°F (2010) | 36.0°F (1999) | 1.32 in (2003) |
| September 23 | 90.0°F (2017) | 21.9°F (1999) | 0.55 in (2006) |
| September 24 | 91.9°F (2010) | 35.1°F (2012) | 1.07 in (2001) |
| September 25 | 91.9°F (2007) | 37.9°F (2012) | 0.63 in (2018) |
| September 26 | 88.0°F (1999) | 37.9°F (2000) | 2.10 in (2005) |
| September 27 | 89.1°F (2017) | 39.0°F (2000) | 1.06 in (2023) |
| September 28 | 86.0°F (1999) | 43.0°F (2001) | 1.71 in (2024) |
| September 29 | 90.0°F (1999) | 39.0°F (2006) | 0.56 in (1999) |
| September 30 | 87.1°F (2025) | 39.9°F (2000) | 0.68 in (2013) |