September weather in Holy Cross, IA
The average temperature in Holy Cross in September is 64.2°F (53.7°F–74.7°F). Average precipitation: 3.75 inches.
September is a fall month in Holy Cross, and is warmer than the annual average of 48.5°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
74.7°F
Avg Low
53.7°F
Precipitation
3.75 in
Daylight
12h 16m
September records in Holy Cross
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1984) | 37.9°F (1949) | 1.93 in (1972) |
| September 2 | 95.0°F (1953) | 48.0°F (1952) | 2.40 in (1961) |
| September 3 | 96.1°F (2023) | 39.9°F (1974) | 1.38 in (2011) |
| September 4 | 97.0°F (2023) | 39.9°F (1974) | 1.26 in (2000) |
| September 5 | 95.0°F (1954) | 43.0°F (1962) | 2.90 in (2012) |
| September 6 | 96.1°F (1939) | 42.1°F (1988) | 1.15 in (2020) |
| September 7 | 100.9°F (1939) | 41.0°F (1956) | 1.63 in (1965) |
| September 8 | 96.1°F (1978) | 42.1°F (1949) | 2.41 in (1941) |
| September 9 | 98.1°F (1955) | 42.1°F (1949) | 0.96 in (1942) |
| September 10 | 96.1°F (2013) | 39.9°F (1960) | 2.37 in (2019) |
| September 11 | 93.0°F (1978) | 37.9°F (1955) | 1.58 in (1972) |
| September 12 | 93.9°F (1939) | 37.9°F (1975) | 4.07 in (2019) |
| September 13 | 96.1°F (1939) | 37.0°F (1975) | 4.32 in (1961) |
| September 14 | 98.1°F (1939) | 37.9°F (1949) | 1.70 in (1942) |
| September 15 | 98.1°F (1939) | 36.0°F (2007) | 1.59 in (1998) |
| September 16 | 90.0°F (1955) | 36.0°F (1984) | 1.42 in (2016) |
| September 17 | 91.9°F (1988) | 39.9°F (1971) | 2.95 in (1987) |
| September 18 | 91.9°F (1955) | 32.0°F (1973) | 1.25 in (1983) |
| September 19 | 91.9°F (1948) | 37.0°F (1991) | 1.73 in (2005) |
| September 20 | 90.0°F (2018) | 33.1°F (1991) | 4.43 in (2018) |
| September 21 | 96.1°F (2022) | 33.1°F (1991) | 2.39 in (1950) |
| September 22 | 93.0°F (2017) | 30.9°F (1953) | 0.90 in (1973) |
| September 23 | 91.9°F (2017) | 33.1°F (1995) | 1.57 in (1985) |
| September 24 | 89.1°F (1984) | 33.1°F (1976) | 1.60 in (2010) |
| September 25 | 88.0°F (2017) | 37.0°F (2001) | 2.05 in (1981) |
| September 26 | 88.0°F (1986) | 28.9°F (1984) | 1.06 in (1972) |
| September 27 | 88.0°F (1954) | 35.1°F (1985) | 1.65 in (1959) |
| September 28 | 91.0°F (1939) | 32.0°F (1961) | 0.65 in (1945) |
| September 29 | 91.9°F (1953) | 27.0°F (1949) | 1.10 in (1954) |
| September 30 | 88.0°F (1952) | 27.0°F (1972) | 1.79 in (1961) |