September weather in Leland, IA
The average temperature in Leland in September is 61.5°F (50.0°F–73.0°F). Average precipitation: 3.46 inches.
September is a fall month in Leland, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Daylight averages about 12h 17m. For travel, September is one of the best months of the year to visit.
Avg High
73.0°F
Avg Low
50.0°F
Precipitation
3.46 in
Daylight
12h 17m
September records in Leland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1922) | 30.9°F (1949) | 1.45 in (1923) |
| September 2 | 98.1°F (1925) | 39.0°F (1946) | 2.05 in (1906) |
| September 3 | 97.0°F (1925) | 35.1°F (1974) | 1.41 in (2021) |
| September 4 | 98.1°F (1925) | 37.9°F (1974) | 1.07 in (1989) |
| September 5 | 99.0°F (1913) | 37.9°F (1962) | 3.00 in (1985) |
| September 6 | 100.9°F (1922) | 37.9°F (1956) | 2.68 in (1938) |
| September 7 | 99.0°F (1939) | 37.9°F (1986) | 2.70 in (2016) |
| September 8 | 98.1°F (1931) | 37.0°F (1986) | 5.76 in (1964) |
| September 9 | 96.1°F (1947) | 6.1°F (1922) | 2.25 in (1940) |
| September 10 | 99.0°F (1931) | 35.1°F (1894) | 1.20 in (1896) |
| September 11 | 93.9°F (1931) | 35.1°F (1955) | 3.08 in (1972) |
| September 12 | 95.0°F (1939) | 32.0°F (1902) | 2.07 in (1909) |
| September 13 | 96.1°F (1939) | 30.0°F (1902) | 1.92 in (1978) |
| September 14 | 98.1°F (1939) | 30.0°F (1949) | 5.66 in (2004) |
| September 15 | 96.1°F (1939) | 30.0°F (2011) | 1.51 in (1941) |
| September 16 | 93.9°F (1931) | 30.0°F (2007) | 2.67 in (1906) |
| September 17 | 93.0°F (1925) | 30.0°F (1916) | 1.45 in (1997) |
| September 18 | 91.9°F (1947) | 27.0°F (1929) | 2.14 in (1926) |
| September 19 | 96.1°F (1948) | 30.0°F (1896) | 2.02 in (2018) |
| September 20 | 91.0°F (1895) | 28.0°F (1896) | 4.32 in (2018) |
| September 21 | 93.0°F (1937) | 30.0°F (1918) | 2.20 in (1895) |
| September 22 | 91.9°F (1937) | 26.1°F (1974) | 3.05 in (2016) |
| September 23 | 90.0°F (1938) | 28.9°F (1928) | 1.03 in (1997) |
| September 24 | 88.0°F (1935) | 27.0°F (1942) | 1.69 in (2023) |
| September 25 | 90.0°F (1956) | 25.0°F (1942) | 2.31 in (2005) |
| September 26 | 87.1°F (1986) | 26.1°F (1926) | 3.85 in (1973) |
| September 27 | 88.0°F (1905) | 27.0°F (1942) | 2.00 in (1902) |
| September 28 | 90.0°F (1897) | 19.9°F (1942) | 2.96 in (1901) |
| September 29 | 90.0°F (1897) | 19.9°F (1949) | 2.05 in (1923) |
| September 30 | 90.0°F (1897) | 25.0°F (1908) | 2.10 in (1925) |