September weather in Paw Paw, IL
The average temperature in Paw Paw in September is 63.2°F (51.5°F–74.9°F). Average precipitation: 3.58 inches.
September is a fall month in Paw Paw, and is warmer than the annual average of 47.8°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
74.9°F
Avg Low
51.5°F
Precipitation
3.58 in
Daylight
12h 16m
September records in Paw Paw
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (2000) | 42.1°F (1967) | 3.60 in (1989) |
| September 2 | 91.0°F (2000) | 45.0°F (1967) | 2.90 in (1930) |
| September 3 | 89.1°F (2011) | 41.0°F (1974) | 1.60 in (1970) |
| September 4 | 90.0°F (1964) | 39.9°F (1974) | 2.35 in (2019) |
| September 5 | 91.9°F (2012) | 39.9°F (1962) | 2.06 in (1920) |
| September 6 | 90.0°F (1990) | 39.9°F (2000) | 3.65 in (1923) |
| September 7 | 91.9°F (1990) | 39.0°F (1986) | 2.25 in (1970) |
| September 8 | 91.0°F (1985) | 39.9°F (1986) | 1.51 in (1925) |
| September 9 | 93.0°F (1978) | 42.1°F (2008) | 1.96 in (1941) |
| September 10 | 91.0°F (1971) | 43.0°F (1969) | 5.24 in (1992) |
| September 11 | 91.9°F (2005) | 42.1°F (1995) | 2.12 in (2022) |
| September 12 | 91.0°F (2000) | 37.9°F (1964) | 2.27 in (1986) |
| September 13 | 89.1°F (1962) | 36.0°F (1975) | 4.08 in (2008) |
| September 14 | 91.0°F (2005) | 36.0°F (2014) | 4.25 in (2008) |
| September 15 | 91.9°F (1971) | 32.0°F (2007) | 1.52 in (1977) |
| September 16 | 88.0°F (1991) | 33.1°F (2011) | 1.62 in (1936) |
| September 17 | 88.0°F (2018) | 39.0°F (1999) | 1.10 in (1997) |
| September 18 | 90.0°F (1988) | 39.0°F (1973) | 3.48 in (1978) |
| September 19 | 90.0°F (2021) | 36.0°F (1991) | 1.72 in (2015) |
| September 20 | 90.0°F (2013) | 30.9°F (1962) | 1.35 in (1924) |
| September 21 | 91.9°F (2018) | 34.0°F (1991) | 2.24 in (1947) |
| September 22 | 91.0°F (2024) | 30.0°F (1974) | 2.03 in (1970) |
| September 23 | 91.0°F (2017) | 28.9°F (1995) | 1.58 in (1926) |
| September 24 | 91.0°F (2017) | 30.0°F (1976) | 1.64 in (1961) |
| September 25 | 90.0°F (2007) | 33.1°F (2001) | 2.00 in (1941) |
| September 26 | 90.0°F (2017) | 33.1°F (2001) | 3.15 in (1951) |
| September 27 | 88.0°F (2008) | 33.1°F (1975) | 2.50 in (2023) |
| September 28 | 87.1°F (1998) | 32.0°F (1975) | 3.36 in (1999) |
| September 29 | 86.0°F (1971) | 34.0°F (1967) | 1.31 in (1972) |
| September 30 | 87.1°F (2025) | 33.1°F (1993) | 1.25 in (1919) |