September weather in Santee, NE
The average temperature in Santee in September is 63.4°F (50.6°F–76.1°F). Average precipitation: 2.70 inches.
September is a fall month in Santee, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 25.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
76.1°F
Avg Low
50.6°F
Precipitation
2.70 in
Daylight
12h 16m
September records in Santee
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1911) | 37.0°F (1974) | 1.05 in (1933) |
| September 2 | 102.9°F (1956) | 37.9°F (1974) | 1.18 in (2006) |
| September 3 | 102.9°F (1945) | 33.1°F (1974) | 2.03 in (1973) |
| September 4 | 102.9°F (1922) | 32.0°F (1902) | 3.51 in (1999) |
| September 5 | 106.0°F (1922) | 21.9°F (1914) | 1.87 in (1895) |
| September 6 | 106.0°F (1922) | 34.0°F (1956) | 0.70 in (1929) |
| September 7 | 104.0°F (1931) | 36.0°F (1986) | 1.70 in (1926) |
| September 8 | 102.0°F (1947) | 39.0°F (1984) | 3.12 in (1938) |
| September 9 | 104.0°F (1931) | 34.0°F (1922) | 1.70 in (1919) |
| September 10 | 102.0°F (1931) | 34.0°F (1896) | 2.40 in (2003) |
| September 11 | 99.0°F (1931) | 28.9°F (1955) | 2.18 in (2019) |
| September 12 | 102.0°F (1939) | 25.0°F (1902) | 1.70 in (1979) |
| September 13 | 104.0°F (1939) | 26.1°F (1902) | 1.56 in (2002) |
| September 14 | 100.0°F (1939) | 34.0°F (1904) | 1.71 in (2001) |
| September 15 | 100.0°F (1955) | 28.0°F (1916) | 2.39 in (2004) |
| September 16 | 97.0°F (1955) | 25.0°F (1903) | 4.84 in (2016) |
| September 17 | 102.0°F (1895) | 28.0°F (1916) | 0.70 in (1906) |
| September 18 | 102.0°F (1940) | 24.1°F (1902) | 1.40 in (1905) |
| September 19 | 100.0°F (1895) | 26.1°F (1991) | 1.92 in (1964) |
| September 20 | 95.0°F (1893) | 21.0°F (1918) | 3.30 in (2018) |
| September 21 | 98.1°F (1936) | 27.0°F (1934) | 1.50 in (1895) |
| September 22 | 99.0°F (1936) | 27.0°F (1995) | 2.28 in (1968) |
| September 23 | 99.0°F (1935) | 28.0°F (1995) | 3.28 in (2015) |
| September 24 | 93.0°F (1935) | 24.1°F (1942) | 1.40 in (1931) |
| September 25 | 93.9°F (1903) | 24.1°F (1926) | 1.08 in (2017) |
| September 26 | 98.1°F (1990) | 24.1°F (1984) | 1.80 in (1996) |
| September 27 | 99.0°F (1956) | 27.0°F (1928) | 0.82 in (1975) |
| September 28 | 91.9°F (1894) | 24.1°F (1942) | 2.00 in (1973) |
| September 29 | 91.9°F (2021) | 21.0°F (1899) | 1.85 in (1894) |
| September 30 | 93.9°F (1991) | 23.0°F (1920) | 0.85 in (1903) |