September weather in Hoopeston, IL
The average temperature in Hoopeston in September is 66.9°F (55.2°F–78.6°F). Average precipitation: 3.36 inches.
September is a fall month in Hoopeston, and is warmer than the annual average of 52.3°F. Daily temperatures swing about 23.4°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
78.6°F
Avg Low
55.2°F
Precipitation
3.36 in
Daylight
12h 15m
September records in Hoopeston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 41.0°F (1915) | 2.42 in (1926) |
| September 2 | 100.9°F (1953) | 43.0°F (1949) | 2.00 in (1905) |
| September 3 | 99.0°F (1925) | 39.9°F (1908) | 3.10 in (1993) |
| September 4 | 100.0°F (1954) | 39.9°F (1928) | 2.68 in (1918) |
| September 5 | 100.0°F (1954) | 43.0°F (1957) | 4.07 in (2015) |
| September 6 | 102.0°F (1925) | 39.9°F (1962) | 0.94 in (1993) |
| September 7 | 100.9°F (1939) | 39.9°F (1956) | 2.30 in (2018) |
| September 8 | 100.0°F (1933) | 37.9°F (1986) | 1.80 in (1995) |
| September 9 | 100.9°F (1933) | 44.1°F (1914) | 1.40 in (1926) |
| September 10 | 98.1°F (2013) | 39.0°F (1924) | 2.97 in (1905) |
| September 11 | 98.1°F (1933) | 32.0°F (1917) | 1.27 in (1915) |
| September 12 | 98.1°F (1939) | 39.9°F (1917) | 1.18 in (1974) |
| September 13 | 102.0°F (1939) | 34.0°F (1902) | 2.16 in (1977) |
| September 14 | 102.9°F (1939) | 35.1°F (1902) | 3.81 in (2008) |
| September 15 | 102.0°F (1939) | 36.0°F (2007) | 2.09 in (1993) |
| September 16 | 100.0°F (1939) | 30.9°F (1916) | 1.58 in (1965) |
| September 17 | 95.0°F (1927) | 33.1°F (1937) | 2.42 in (1969) |
| September 18 | 95.0°F (1953) | 30.9°F (1916) | 1.76 in (1911) |
| September 19 | 95.0°F (1948) | 35.1°F (1991) | 3.15 in (2015) |
| September 20 | 95.0°F (1940) | 32.0°F (1918) | 1.51 in (1988) |
| September 21 | 93.9°F (1940) | 36.0°F (1927) | 2.07 in (1950) |
| September 22 | 93.9°F (1936) | 33.1°F (1918) | 2.25 in (1970) |
| September 23 | 91.9°F (1937) | 30.0°F (1995) | 1.34 in (1970) |
| September 24 | 93.0°F (1939) | 28.0°F (1928) | 1.53 in (1994) |
| September 25 | 90.0°F (1908) | 30.9°F (1942) | 1.62 in (1911) |
| September 26 | 91.0°F (1916) | 25.0°F (1928) | 1.75 in (1933) |
| September 27 | 91.9°F (1998) | 30.9°F (1940) | 2.27 in (1933) |
| September 28 | 93.9°F (1939) | 26.1°F (1942) | 3.02 in (1999) |
| September 29 | 99.0°F (1953) | 32.0°F (1942) | 1.36 in (2019) |
| September 30 | 89.1°F (1953) | 30.0°F (1949) | 2.04 in (1927) |