September weather in Mount Pleasant, OH
The average temperature in Mount Pleasant in September is 66.5°F (56.6°F–76.4°F). Average precipitation: 3.65 inches.
September is a fall month in Mount Pleasant, and is warmer than the annual average of 52.4°F. Daily temperatures swing about 19.8°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
76.4°F
Avg Low
56.6°F
Precipitation
3.65 in
Daylight
12h 15m
September records in Mount Pleasant
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.0°F (1993) | 50.0°F (1986) | 2.42 in (2021) |
| September 2 | 89.1°F (2010) | 50.0°F (1994) | 1.29 in (2021) |
| September 3 | 91.9°F (2010) | 50.0°F (1994) | 1.15 in (1993) |
| September 4 | 93.0°F (2011) | 45.0°F (1997) | 1.26 in (1993) |
| September 5 | 93.9°F (2018) | 45.0°F (1997) | 1.01 in (2011) |
| September 6 | 91.0°F (2018) | 46.0°F (1984) | 0.80 in (2011) |
| September 7 | 91.9°F (1998) | 46.0°F (1984) | 1.66 in (1996) |
| September 8 | 91.0°F (1985) | 45.0°F (1986) | 1.42 in (1998) |
| September 9 | 91.0°F (2002) | 43.0°F (1986) | 4.82 in (2004) |
| September 10 | 91.9°F (1983) | 45.0°F (1986) | 3.44 in (2018) |
| September 11 | 90.0°F (1983) | 46.0°F (1995) | 1.15 in (1997) |
| September 12 | 90.0°F (2019) | 46.0°F (1985) | 0.73 in (2015) |
| September 13 | 88.0°F (2019) | 43.0°F (1985) | 1.40 in (1995) |
| September 14 | 90.0°F (2019) | 43.0°F (1985) | 0.92 in (2008) |
| September 15 | 90.0°F (1998) | 44.1°F (1985) | 1.43 in (1989) |
| September 16 | 89.1°F (1991) | 43.0°F (2007) | 0.69 in (1989) |
| September 17 | 93.0°F (1991) | 41.0°F (1986) | 1.09 in (1996) |
| September 18 | 86.0°F (1983) | 41.0°F (1986) | 6.86 in (2004) |
| September 19 | 86.0°F (1983) | 41.0°F (2020) | 1.37 in (2003) |
| September 20 | 86.0°F (2002) | 41.0°F (2020) | 0.55 in (2011) |
| September 21 | 88.0°F (2002) | 41.0°F (1991) | 0.72 in (2013) |
| September 22 | 89.1°F (2024) | 39.9°F (1999) | 0.93 in (2013) |
| September 23 | 88.0°F (2010) | 37.0°F (1995) | 1.31 in (1989) |
| September 24 | 89.1°F (2010) | 37.0°F (1995) | 0.81 in (2011) |
| September 25 | 89.1°F (2010) | 39.0°F (1989) | 1.11 in (1991) |
| September 26 | 89.1°F (2007) | 43.0°F (2012) | 1.08 in (1994) |
| September 27 | 88.0°F (1998) | 39.0°F (1991) | 2.04 in (2011) |
| September 28 | 89.1°F (2017) | 39.0°F (1991) | 0.91 in (2010) |
| September 29 | 86.0°F (2019) | 37.9°F (1989) | 1.12 in (1996) |
| September 30 | 87.1°F (1986) | 39.9°F (2000) | 4.15 in (2015) |