September weather in Pennville, IN
The average temperature in Pennville in September is 65.5°F (54.7°F–76.3°F). Average precipitation: 3.48 inches.
September is a fall month in Pennville, and is warmer than the annual average of 51.3°F. Daily temperatures swing about 21.6°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
76.3°F
Avg Low
54.7°F
Precipitation
3.48 in
Daylight
12h 15m
September records in Pennville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (2010) | 42.1°F (1967) | 2.75 in (2013) |
| September 2 | 96.1°F (2011) | 41.0°F (1965) | 0.80 in (1968) |
| September 3 | 97.0°F (2011) | 46.0°F (1994) | 1.24 in (1993) |
| September 4 | 97.0°F (2011) | 42.1°F (1997) | 0.95 in (1962) |
| September 5 | 91.9°F (2018) | 43.0°F (1974) | 0.95 in (1951) |
| September 6 | 91.9°F (1998) | 41.0°F (1962) | 0.72 in (1948) |
| September 7 | 91.0°F (2002) | 39.0°F (1988) | 2.82 in (1969) |
| September 8 | 91.9°F (1964) | 37.9°F (1986) | 2.79 in (2020) |
| September 9 | 91.9°F (1960) | 39.9°F (1986) | 2.84 in (2007) |
| September 10 | 93.0°F (1983) | 39.9°F (1969) | 1.96 in (1985) |
| September 11 | 95.0°F (1983) | 37.0°F (1967) | 1.42 in (2014) |
| September 12 | 93.9°F (2013) | 42.1°F (1967) | 1.67 in (1972) |
| September 13 | 90.0°F (2019) | 35.1°F (1964) | 0.89 in (1949) |
| September 14 | 90.0°F (1998) | 32.0°F (1964) | 1.79 in (1977) |
| September 15 | 89.1°F (2021) | 37.9°F (1975) | 1.29 in (1965) |
| September 16 | 88.0°F (1970) | 37.0°F (1966) | 1.94 in (2005) |
| September 17 | 87.1°F (2024) | 34.0°F (1959) | 3.93 in (1969) |
| September 18 | 88.0°F (2025) | 32.0°F (1959) | 2.39 in (1952) |
| September 19 | 90.0°F (2018) | 32.0°F (1959) | 1.25 in (1957) |
| September 20 | 90.0°F (1983) | 36.0°F (1962) | 2.84 in (1957) |
| September 21 | 91.9°F (2018) | 36.0°F (1962) | 2.12 in (1950) |
| September 22 | 93.0°F (2010) | 34.0°F (1999) | 1.48 in (2021) |
| September 23 | 90.0°F (2017) | 28.9°F (1995) | 1.13 in (2021) |
| September 24 | 93.9°F (2010) | 32.0°F (1983) | 2.57 in (2005) |
| September 25 | 91.9°F (2007) | 34.0°F (1983) | 2.14 in (1961) |
| September 26 | 90.0°F (1998) | 35.1°F (1966) | 2.37 in (2005) |
| September 27 | 89.1°F (2017) | 37.0°F (1980) | 1.23 in (2003) |
| September 28 | 89.1°F (1999) | 36.0°F (1984) | 1.10 in (1996) |
| September 29 | 89.1°F (2025) | 32.0°F (1970) | 1.67 in (1999) |
| September 30 | 87.1°F (1986) | 30.0°F (1993) | 0.75 in (2019) |