September weather in Negaunee, MI
The average temperature in Negaunee in September is 56.3°F (46.3°F–66.3°F). Average precipitation: 3.96 inches.
September is a fall month in Negaunee, and is warmer than the annual average of 40.2°F. Daily temperatures swing about 20°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
66.3°F
Avg Low
46.3°F
Precipitation
3.96 in
Snow
0.1 in
September records in Negaunee
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 88.0°F (2008) | 30.9°F (1976) | 1.67 in (2018) |
| September 2 | 90.0°F (1983) | 26.1°F (1976) | 1.94 in (1960) |
| September 3 | 91.9°F (1983) | 32.0°F (1972) | 1.64 in (1985) |
| September 4 | 95.0°F (2023) | 34.0°F (1963) | 4.29 in (2007) |
| September 5 | 88.0°F (1998) | 32.0°F (1962) | 2.69 in (2018) |
| September 6 | 88.0°F (1960) | 32.0°F (1962) | 1.87 in (1995) |
| September 7 | 91.0°F (2002) | 28.9°F (1982) | 0.81 in (1985) |
| September 8 | 91.0°F (2002) | 34.0°F (1995) | 1.10 in (1968) |
| September 9 | 93.0°F (2002) | 30.0°F (1967) | 1.79 in (1968) |
| September 10 | 84.9°F (1961) | 27.0°F (1967) | 2.34 in (2014) |
| September 11 | 91.9°F (1998) | 30.0°F (1992) | 2.61 in (1978) |
| September 12 | 89.1°F (2005) | 30.9°F (1964) | 1.04 in (1996) |
| September 13 | 82.9°F (2004) | 28.0°F (1963) | 1.59 in (1993) |
| September 14 | 84.0°F (2018) | 28.9°F (1975) | 1.61 in (2003) |
| September 15 | 84.9°F (2024) | 30.9°F (2007) | 0.80 in (2010) |
| September 16 | 86.0°F (2024) | 28.9°F (1960) | 1.28 in (2016) |
| September 17 | 82.9°F (2024) | 30.9°F (1973) | 1.42 in (2012) |
| September 18 | 86.0°F (2000) | 30.0°F (1974) | 0.50 in (1992) |
| September 19 | 82.9°F (1985) | 27.0°F (1993) | 1.71 in (2005) |
| September 20 | 82.9°F (2022) | 28.9°F (1962) | 1.73 in (2002) |
| September 21 | 82.9°F (2023) | 28.9°F (1973) | 1.39 in (2007) |
| September 22 | 81.0°F (2017) | 27.0°F (1974) | 0.99 in (2003) |
| September 23 | 88.0°F (2017) | 21.9°F (1974) | 2.14 in (2010) |
| September 24 | 88.0°F (2017) | 25.0°F (1989) | 1.28 in (1984) |
| September 25 | 79.0°F (2017) | 25.0°F (1975) | 1.00 in (1972) |
| September 26 | 79.0°F (1983) | 25.0°F (1965) | 0.98 in (2020) |
| September 27 | 79.0°F (2014) | 21.0°F (1965) | 1.19 in (2011) |
| September 28 | 79.0°F (2014) | 24.1°F (1961) | 1.28 in (2009) |
| September 29 | 82.0°F (2025) | 19.9°F (1961) | 2.90 in (2011) |
| September 30 | 80.1°F (2000) | 24.1°F (1993) | 2.26 in (2019) |