September weather in Superior, NE
The average temperature in Superior in September is 66.2°F (52.7°F–79.8°F). Average precipitation: 2.27 inches.
September is a fall month in Superior, and is warmer than the annual average of 51.3°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
79.8°F
Avg Low
52.7°F
Precipitation
2.27 in
Daylight
12h 15m
September records in Superior
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1990) | 44.1°F (2009) | 1.45 in (1909) |
| September 2 | 106.0°F (2000) | 45.0°F (1905) | 2.68 in (1942) |
| September 3 | 105.1°F (1921) | 32.0°F (1907) | 5.18 in (1973) |
| September 4 | 102.9°F (1921) | 34.0°F (1907) | 3.27 in (1965) |
| September 5 | 104.0°F (2012) | 33.1°F (1907) | 3.82 in (1958) |
| September 6 | 102.9°F (1998) | 42.1°F (2011) | 2.14 in (1986) |
| September 7 | 100.0°F (2015) | 34.0°F (1907) | 1.00 in (1901) |
| September 8 | 102.9°F (2013) | 41.0°F (1907) | 1.36 in (1935) |
| September 9 | 100.9°F (2013) | 39.9°F (2008) | 1.33 in (1989) |
| September 10 | 99.0°F (2000) | 39.9°F (1903) | 2.40 in (1900) |
| September 11 | 97.0°F (2013) | 32.0°F (1907) | 4.56 in (2003) |
| September 12 | 96.1°F (2012) | 25.0°F (1907) | 2.83 in (1961) |
| September 13 | 98.1°F (2000) | 32.0°F (1902) | 2.44 in (1967) |
| September 14 | 98.1°F (1921) | 34.0°F (2014) | 2.36 in (1966) |
| September 15 | 100.0°F (1921) | 32.0°F (1993) | 2.70 in (2001) |
| September 16 | 95.0°F (1907) | 30.0°F (1903) | 2.22 in (2023) |
| September 17 | 96.1°F (1907) | 30.9°F (1903) | 2.08 in (1968) |
| September 18 | 99.0°F (2000) | 32.0°F (1903) | 3.52 in (1978) |
| September 19 | 98.1°F (1921) | 30.9°F (1991) | 2.57 in (1993) |
| September 20 | 99.0°F (2022) | 36.0°F (2006) | 3.22 in (1950) |
| September 21 | 100.0°F (2022) | 32.0°F (1983) | 1.10 in (1965) |
| September 22 | 102.9°F (2005) | 26.1°F (1995) | 3.00 in (1902) |
| September 23 | 95.0°F (1921) | 30.9°F (1983) | 2.30 in (1910) |
| September 24 | 91.9°F (2017) | 30.9°F (1965) | 1.06 in (2008) |
| September 25 | 98.1°F (1998) | 33.1°F (1975) | 1.90 in (1935) |
| September 26 | 93.9°F (1998) | 33.1°F (1984) | 2.15 in (1936) |
| September 27 | 96.1°F (1921) | 33.1°F (1903) | 1.90 in (1907) |
| September 28 | 96.1°F (2021) | 30.9°F (1908) | 1.53 in (1973) |
| September 29 | 95.0°F (1994) | 25.0°F (1984) | 4.00 in (1983) |
| September 30 | 96.1°F (1994) | 26.1°F (1984) | 2.05 in (1965) |