September weather in Conneaut, OH
The average temperature in Conneaut in September is 61.4°F (50.0°F–72.8°F). Average precipitation: 4.59 inches.
September is a fall month in Conneaut, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
72.8°F
Avg Low
50.0°F
Precipitation
4.59 in
Daylight
12h 16m
September records in Conneaut
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (2010) | 39.0°F (2009) | 1.31 in (2011) |
| September 2 | 87.1°F (2010) | 39.0°F (2001) | 1.03 in (2003) |
| September 3 | 89.1°F (2010) | 39.9°F (2001) | 0.53 in (2020) |
| September 4 | 91.0°F (2011) | 36.0°F (1997) | 1.07 in (2010) |
| September 5 | 90.0°F (2018) | 36.0°F (1997) | 0.58 in (2012) |
| September 6 | 91.0°F (2018) | 41.0°F (1997) | 0.58 in (2014) |
| September 7 | 90.0°F (2007) | 43.0°F (2013) | 1.00 in (2024) |
| September 8 | 90.0°F (2015) | 41.0°F (2025) | 1.02 in (1996) |
| September 9 | 91.0°F (2002) | 39.9°F (2017) | 4.00 in (2004) |
| September 10 | 91.9°F (2002) | 36.0°F (2017) | 2.30 in (2018) |
| September 11 | 90.0°F (2002) | 33.1°F (2005) | 1.47 in (2014) |
| September 12 | 88.0°F (2013) | 39.9°F (2002) | 0.97 in (2015) |
| September 13 | 87.1°F (1999) | 39.9°F (2002) | 0.67 in (2015) |
| September 14 | 84.0°F (1998) | 41.0°F (2015) | 0.72 in (2008) |
| September 15 | 86.0°F (1998) | 39.0°F (2001) | 1.91 in (2002) |
| September 16 | 84.0°F (2018) | 36.0°F (2001) | 0.90 in (2002) |
| September 17 | 84.9°F (2025) | 36.0°F (2001) | 0.97 in (2004) |
| September 18 | 82.0°F (2017) | 35.1°F (2013) | 1.52 in (2004) |
| September 19 | 81.0°F (1998) | 32.0°F (2020) | 1.10 in (2006) |
| September 20 | 84.9°F (2002) | 32.0°F (2020) | 0.97 in (2015) |
| September 21 | 84.9°F (2002) | 33.1°F (2020) | 1.94 in (2000) |
| September 22 | 87.1°F (2018) | 28.9°F (1999) | 1.98 in (2013) |
| September 23 | 84.0°F (2017) | 28.9°F (1999) | 1.50 in (2021) |
| September 24 | 86.0°F (2017) | 35.1°F (1998) | 0.44 in (2012) |
| September 25 | 89.1°F (2017) | 35.1°F (1998) | 0.73 in (2018) |
| September 26 | 88.0°F (2017) | 39.0°F (2002) | 2.18 in (2022) |
| September 27 | 88.0°F (2017) | 33.1°F (1997) | 1.98 in (2022) |
| September 28 | 87.1°F (2017) | 36.0°F (1997) | 1.69 in (2002) |
| September 29 | 82.9°F (1999) | 30.0°F (2000) | 1.19 in (2020) |
| September 30 | 80.1°F (2025) | 30.9°F (2000) | 2.77 in (1999) |