September weather in Stuart, IA
The average temperature in Stuart in September is 63.5°F (50.4°F–76.6°F). Average precipitation: 3.61 inches.
September is a fall month in Stuart, and is warmer than the annual average of 48.4°F. Daily temperatures swing about 26.2°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
76.6°F
Avg Low
50.4°F
Precipitation
3.61 in
Daylight
12h 16m
September records in Stuart
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1913) | 39.9°F (1949) | 2.04 in (1926) |
| September 2 | 98.1°F (1913) | 42.1°F (1901) | 4.10 in (1912) |
| September 3 | 100.9°F (2000) | 34.0°F (1974) | 2.21 in (1994) |
| September 4 | 98.1°F (1900) | 36.0°F (1902) | 2.98 in (1956) |
| September 5 | 98.1°F (1913) | 37.0°F (1962) | 2.22 in (1936) |
| September 6 | 102.0°F (1939) | 35.1°F (1988) | 3.24 in (1958) |
| September 7 | 100.9°F (1931) | 37.0°F (2025) | 2.86 in (2001) |
| September 8 | 100.0°F (1900) | 35.1°F (2008) | 3.08 in (1946) |
| September 9 | 100.9°F (1955) | 36.0°F (1988) | 1.42 in (1951) |
| September 10 | 99.0°F (1933) | 36.0°F (1976) | 2.55 in (2016) |
| September 11 | 98.1°F (1895) | 35.1°F (1917) | 5.41 in (1972) |
| September 12 | 98.1°F (2000) | 30.9°F (1902) | 1.56 in (2003) |
| September 13 | 98.1°F (1939) | 30.9°F (1902) | 3.27 in (1978) |
| September 14 | 99.0°F (1939) | 33.1°F (1996) | 1.62 in (1978) |
| September 15 | 98.1°F (1939) | 30.0°F (2007) | 6.69 in (1992) |
| September 16 | 98.1°F (1931) | 30.0°F (1937) | 3.11 in (2016) |
| September 17 | 96.1°F (1955) | 32.0°F (1900) | 2.80 in (2025) |
| September 18 | 95.0°F (1955) | 28.9°F (1929) | 2.85 in (1919) |
| September 19 | 95.0°F (1931) | 28.0°F (1991) | 3.28 in (1926) |
| September 20 | 91.0°F (1931) | 27.0°F (1991) | 1.55 in (1978) |
| September 21 | 97.0°F (1937) | 25.0°F (1918) | 1.37 in (1955) |
| September 22 | 98.1°F (1937) | 24.1°F (1913) | 1.22 in (2003) |
| September 23 | 90.0°F (2017) | 26.1°F (1983) | 2.45 in (2008) |
| September 24 | 89.1°F (1930) | 28.0°F (1942) | 1.11 in (1960) |
| September 25 | 89.1°F (1920) | 28.9°F (1928) | 1.20 in (2016) |
| September 26 | 91.0°F (1956) | 28.0°F (1926) | 2.10 in (1973) |
| September 27 | 93.0°F (2020) | 28.9°F (1928) | 0.98 in (1907) |
| September 28 | 95.0°F (1953) | 24.1°F (1942) | 1.94 in (1923) |
| September 29 | 90.0°F (2021) | 21.9°F (1899) | 1.56 in (1986) |
| September 30 | 93.0°F (2023) | 19.0°F (1899) | 3.03 in (1961) |