September weather in New Carlisle, OH
The average temperature in New Carlisle in September is 66.0°F (53.5°F–78.4°F). Average precipitation: 3.21 inches.
September is a fall month in New Carlisle, and is warmer than the annual average of 51.9°F. Daily temperatures swing about 24.9°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
78.4°F
Avg Low
53.5°F
Precipitation
3.21 in
Daylight
12h 15m
September records in New Carlisle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 86.0°F (2018) | 46.9°F (2025) | 1.39 in (1961) |
| September 2 | 87.1°F (2022) | 48.0°F (2025) | 1.37 in (1989) |
| September 3 | 90.0°F (2018) | 46.0°F (2024) | 1.90 in (1993) |
| September 4 | 91.9°F (2018) | 48.0°F (2024) | 3.30 in (2011) |
| September 5 | 91.9°F (2018) | 46.9°F (2025) | 1.25 in (2022) |
| September 6 | 91.0°F (2018) | 42.1°F (2017) | 1.20 in (1915) |
| September 7 | 86.0°F (2024) | 41.0°F (2017) | 2.27 in (1971) |
| September 8 | 88.0°F (2020) | 39.0°F (2024) | 2.00 in (2018) |
| September 9 | 88.0°F (2020) | 39.9°F (2024) | 1.96 in (2018) |
| September 10 | 87.1°F (2020) | 42.1°F (2017) | 1.80 in (2001) |
| September 11 | 93.0°F (2019) | 46.0°F (2017) | 1.29 in (1997) |
| September 12 | 93.0°F (2019) | 44.1°F (2017) | 1.66 in (1975) |
| September 13 | 93.0°F (2019) | 48.9°F (2025) | 2.54 in (1988) |
| September 14 | 87.1°F (2024) | 46.0°F (2023) | 3.40 in (1979) |
| September 15 | 87.1°F (2021) | 46.0°F (2023) | 2.00 in (1981) |
| September 16 | 88.0°F (2018) | 43.0°F (2023) | 2.30 in (1965) |
| September 17 | 88.0°F (2025) | 43.0°F (2023) | 1.98 in (1996) |
| September 18 | 89.1°F (2017) | 48.9°F (2020) | 1.14 in (1968) |
| September 19 | 89.1°F (2018) | 41.0°F (2020) | 0.92 in (1964) |
| September 20 | 90.0°F (2024) | 39.9°F (2020) | 1.70 in (1932) |
| September 21 | 91.9°F (2024) | 39.9°F (2020) | 1.36 in (2013) |
| September 22 | 93.9°F (2017) | 39.0°F (2021) | 1.71 in (2012) |
| September 23 | 93.9°F (2017) | 39.0°F (2020) | 1.42 in (2021) |
| September 24 | 95.0°F (2017) | 39.9°F (2022) | 1.75 in (1955) |
| September 25 | 91.9°F (2017) | 43.0°F (2021) | 1.03 in (2018) |
| September 26 | 93.0°F (2017) | 43.0°F (2021) | 2.96 in (2011) |
| September 27 | 96.1°F (2017) | 41.0°F (2022) | 4.20 in (2002) |
| September 28 | 91.0°F (2017) | 39.9°F (2022) | 1.53 in (1996) |
| September 29 | 89.1°F (2025) | 39.0°F (2022) | 1.54 in (1934) |
| September 30 | 87.1°F (2025) | 37.0°F (2022) | 1.10 in (1955) |