September weather in Essex, IA
The average temperature in Essex in September is 66.7°F (54.5°F–79.0°F). Average precipitation: 3.02 inches.
September is a fall month in Essex, and is warmer than the annual average of 51.8°F. Daily temperatures swing about 24.5°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
79.0°F
Avg Low
54.5°F
Precipitation
3.02 in
Daylight
12h 15m
September records in Essex
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1975) | 37.9°F (1949) | 2.68 in (1979) |
| September 2 | 99.0°F (1975) | 41.0°F (1981) | 3.05 in (1997) |
| September 3 | 102.9°F (1939) | 37.0°F (1974) | 2.10 in (2018) |
| September 4 | 100.0°F (1954) | 42.1°F (1974) | 3.38 in (1946) |
| September 5 | 96.1°F (1990) | 39.9°F (1962) | 1.12 in (1969) |
| September 6 | 104.0°F (1939) | 39.9°F (1956) | 1.42 in (1986) |
| September 7 | 105.1°F (1939) | 39.0°F (1956) | 1.51 in (1948) |
| September 8 | 100.0°F (1947) | 37.9°F (1986) | 5.89 in (1989) |
| September 9 | 100.0°F (1955) | 39.9°F (1943) | 3.41 in (1989) |
| September 10 | 98.1°F (1936) | 37.0°F (1980) | 2.03 in (2014) |
| September 11 | 99.0°F (1936) | 39.0°F (1940) | 1.52 in (1975) |
| September 12 | 98.1°F (2000) | 33.1°F (1940) | 3.27 in (1961) |
| September 13 | 99.0°F (1939) | 35.1°F (2014) | 1.71 in (2008) |
| September 14 | 100.0°F (1939) | 37.9°F (2014) | 1.63 in (1992) |
| September 15 | 100.0°F (1939) | 34.0°F (1993) | 4.28 in (1941) |
| September 16 | 93.0°F (1955) | 32.0°F (1937) | 1.58 in (1988) |
| September 17 | 96.1°F (1953) | 30.0°F (1980) | 1.88 in (1982) |
| September 18 | 95.0°F (1947) | 28.9°F (1981) | 1.22 in (1978) |
| September 19 | 97.0°F (1948) | 30.0°F (1991) | 3.98 in (1986) |
| September 20 | 95.0°F (1980) | 28.0°F (1918) | 1.62 in (1978) |
| September 21 | 100.0°F (2022) | 33.1°F (1999) | 1.63 in (1955) |
| September 22 | 100.9°F (1937) | 28.9°F (1995) | 2.25 in (2019) |
| September 23 | 96.1°F (2005) | 26.1°F (1983) | 1.05 in (1937) |
| September 24 | 91.9°F (2017) | 30.0°F (1942) | 1.46 in (1960) |
| September 25 | 91.0°F (1956) | 34.0°F (1975) | 1.33 in (1976) |
| September 26 | 93.9°F (1998) | 28.9°F (1980) | 3.38 in (1936) |
| September 27 | 93.9°F (1956) | 30.0°F (1942) | 1.04 in (1946) |
| September 28 | 102.0°F (1953) | 24.1°F (1942) | 1.80 in (1988) |
| September 29 | 93.0°F (1981) | 23.0°F (1984) | 1.32 in (1985) |
| September 30 | 93.9°F (2023) | 25.0°F (1984) | 1.26 in (1961) |