September weather in Gays, IL
The average temperature in Gays in September is 66.8°F (55.2°F–78.4°F). Average precipitation: 2.97 inches.
September is a fall month in Gays, and is warmer than the annual average of 52.6°F. Daily temperatures swing about 23.2°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
78.4°F
Avg Low
55.2°F
Precipitation
2.97 in
Daylight
12h 15m
September records in Gays
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1913) | 41.0°F (1915) | 4.34 in (2003) |
| September 2 | 102.9°F (1913) | 41.0°F (1909) | 1.85 in (1931) |
| September 3 | 102.0°F (1913) | 37.0°F (1908) | 4.62 in (2010) |
| September 4 | 105.1°F (1954) | 43.0°F (1928) | 3.56 in (1918) |
| September 5 | 106.0°F (1954) | 45.0°F (1928) | 1.89 in (1994) |
| September 6 | 104.0°F (1925) | 39.0°F (1962) | 1.61 in (1914) |
| September 7 | 100.0°F (1913) | 39.0°F (1956) | 1.84 in (1916) |
| September 8 | 100.0°F (1922) | 39.9°F (1926) | 1.90 in (1926) |
| September 9 | 104.0°F (1925) | 42.1°F (2024) | 3.98 in (1926) |
| September 10 | 98.1°F (1912) | 36.0°F (1924) | 2.80 in (2000) |
| September 11 | 98.1°F (1936) | 34.0°F (1917) | 1.60 in (1975) |
| September 12 | 96.1°F (1936) | 37.9°F (1917) | 1.67 in (1988) |
| September 13 | 99.0°F (1939) | 35.1°F (1964) | 3.52 in (1911) |
| September 14 | 99.0°F (1939) | 33.1°F (1923) | 1.92 in (2008) |
| September 15 | 99.0°F (1939) | 37.0°F (1923) | 2.22 in (1931) |
| September 16 | 96.1°F (1954) | 30.9°F (1916) | 2.48 in (1980) |
| September 17 | 98.1°F (1954) | 35.1°F (1937) | 3.97 in (1969) |
| September 18 | 97.0°F (1908) | 32.0°F (1916) | 1.75 in (1923) |
| September 19 | 97.0°F (1925) | 34.0°F (1916) | 1.97 in (1966) |
| September 20 | 95.0°F (1908) | 33.1°F (1991) | 2.70 in (1986) |
| September 21 | 96.1°F (1955) | 35.1°F (1918) | 1.86 in (1919) |
| September 22 | 93.9°F (2005) | 34.0°F (1913) | 3.00 in (1965) |
| September 23 | 98.1°F (1922) | 32.0°F (1995) | 3.03 in (1993) |
| September 24 | 93.0°F (2017) | 32.0°F (1989) | 1.43 in (1910) |
| September 25 | 95.0°F (1908) | 34.0°F (1907) | 4.00 in (1961) |
| September 26 | 97.0°F (1939) | 28.0°F (1928) | 1.81 in (1904) |
| September 27 | 91.9°F (1905) | 32.0°F (1918) | 1.73 in (1981) |
| September 28 | 96.1°F (1929) | 26.1°F (1942) | 2.47 in (1911) |
| September 29 | 100.0°F (1953) | 33.1°F (1967) | 3.00 in (1955) |
| September 30 | 93.0°F (1922) | 30.0°F (1912) | 0.98 in (1945) |