September weather in Garden Grove, IA
The average temperature in Garden Grove in September is 63.2°F (50.4°F–76.0°F). Average precipitation: 4.17 inches.
September is a fall month in Garden Grove, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 25.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
76.0°F
Avg Low
50.4°F
Precipitation
4.17 in
Daylight
12h 15m
September records in Garden Grove
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1984) | 41.0°F (1987) | 0.80 in (1973) |
| September 2 | 97.0°F (1983) | 44.1°F (2009) | 4.11 in (1992) |
| September 3 | 99.0°F (1983) | 39.0°F (1974) | 1.08 in (2006) |
| September 4 | 96.1°F (1983) | 41.0°F (1974) | 1.58 in (1971) |
| September 5 | 93.9°F (1985) | 41.0°F (1962) | 1.45 in (1980) |
| September 6 | 98.1°F (1985) | 35.1°F (1988) | 3.50 in (1964) |
| September 7 | 96.1°F (1990) | 35.1°F (1988) | 0.95 in (1969) |
| September 8 | 100.0°F (1983) | 32.0°F (1986) | 1.40 in (2001) |
| September 9 | 99.0°F (1983) | 37.0°F (2008) | 3.00 in (1989) |
| September 10 | 93.0°F (1983) | 37.0°F (1995) | 1.28 in (1965) |
| September 11 | 91.0°F (1990) | 37.0°F (1995) | 1.15 in (1972) |
| September 12 | 97.0°F (2000) | 37.9°F (2007) | 2.70 in (1972) |
| September 13 | 91.9°F (1991) | 37.9°F (1974) | 3.18 in (2008) |
| September 14 | 91.0°F (1991) | 33.1°F (1996) | 1.41 in (1970) |
| September 15 | 87.1°F (1994) | 33.1°F (1996) | 6.64 in (1992) |
| September 16 | 89.1°F (1978) | 32.0°F (1984) | 1.06 in (1973) |
| September 17 | 95.0°F (1983) | 35.1°F (1993) | 1.66 in (1970) |
| September 18 | 91.9°F (1972) | 32.0°F (1981) | 2.35 in (1978) |
| September 19 | 93.0°F (1984) | 28.0°F (1991) | 1.79 in (1986) |
| September 20 | 91.9°F (1984) | 28.0°F (1991) | 3.45 in (1978) |
| September 21 | 89.1°F (1986) | 28.9°F (1991) | 1.68 in (1965) |
| September 22 | 89.1°F (1980) | 30.0°F (1982) | 2.72 in (2010) |
| September 23 | 88.0°F (1988) | 26.1°F (1983) | 2.12 in (1985) |
| September 24 | 93.9°F (1984) | 27.0°F (1989) | 1.10 in (2010) |
| September 25 | 87.1°F (1986) | 27.0°F (1989) | 1.40 in (1976) |
| September 26 | 87.1°F (1986) | 28.0°F (1984) | 1.41 in (2005) |
| September 27 | 88.0°F (1971) | 30.0°F (1989) | 1.16 in (1999) |
| September 28 | 88.0°F (1983) | 33.1°F (1989) | 0.63 in (1990) |
| September 29 | 91.0°F (1981) | 21.9°F (1984) | 1.68 in (1986) |
| September 30 | 90.0°F (1981) | 24.1°F (1984) | 1.51 in (1985) |