September weather in Humboldt, IL
The average temperature in Humboldt in September is 67.9°F (56.6°F–79.2°F). Average precipitation: 3.11 inches.
September is a fall month in Humboldt, and is warmer than the annual average of 53.6°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
79.2°F
Avg Low
56.6°F
Precipitation
3.11 in
Daylight
12h 15m
September records in Humboldt
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 44.1°F (1949) | 5.03 in (2003) |
| September 2 | 100.0°F (1953) | 46.0°F (1955) | 2.79 in (1993) |
| September 3 | 98.1°F (1898) | 45.0°F (1952) | 2.95 in (2010) |
| September 4 | 102.0°F (1954) | 44.1°F (1902) | 0.64 in (1969) |
| September 5 | 102.9°F (1954) | 46.9°F (1957) | 1.79 in (1994) |
| September 6 | 100.0°F (1954) | 43.0°F (1988) | 1.12 in (1969) |
| September 7 | 97.0°F (1960) | 43.0°F (1956) | 1.70 in (1995) |
| September 8 | 98.1°F (1960) | 37.9°F (1986) | 2.55 in (1989) |
| September 9 | 99.0°F (1955) | 44.1°F (1986) | 2.14 in (2007) |
| September 10 | 96.1°F (1983) | 43.0°F (1969) | 2.82 in (2000) |
| September 11 | 95.0°F (1952) | 44.1°F (1959) | 1.51 in (2014) |
| September 12 | 93.9°F (1991) | 37.0°F (1955) | 1.20 in (1951) |
| September 13 | 93.9°F (1956) | 36.0°F (1902) | 1.06 in (2008) |
| September 14 | 97.0°F (1893) | 39.0°F (1964) | 1.61 in (1993) |
| September 15 | 95.0°F (1897) | 39.9°F (1953) | 1.11 in (2008) |
| September 16 | 93.9°F (1954) | 39.9°F (1984) | 3.74 in (1969) |
| September 17 | 95.0°F (1954) | 42.1°F (1900) | 2.89 in (1969) |
| September 18 | 96.1°F (1953) | 39.9°F (1903) | 0.90 in (2006) |
| September 19 | 95.0°F (1955) | 39.0°F (1991) | 1.78 in (1966) |
| September 20 | 91.9°F (1948) | 33.1°F (1897) | 1.99 in (1986) |
| September 21 | 95.0°F (1955) | 37.9°F (1897) | 0.65 in (1950) |
| September 22 | 91.0°F (1960) | 34.0°F (1983) | 1.70 in (1970) |
| September 23 | 90.0°F (1960) | 33.1°F (1983) | 1.21 in (1955) |
| September 24 | 87.1°F (1960) | 35.1°F (1983) | 3.93 in (1961) |
| September 25 | 95.0°F (1897) | 36.0°F (1950) | 2.40 in (1961) |
| September 26 | 90.0°F (1986) | 3.9°F (1987) | 2.12 in (1904) |
| September 27 | 91.0°F (1998) | 35.1°F (1985) | 1.36 in (2003) |
| September 28 | 93.9°F (1953) | 37.0°F (1951) | 2.09 in (1999) |
| September 29 | 98.1°F (1953) | 32.0°F (1899) | 3.30 in (1955) |
| September 30 | 90.0°F (1952) | 28.0°F (1899) | 1.35 in (1977) |