September weather in Two Harbors, MN
The average temperature in Two Harbors in September is 57.8°F (48.8°F–66.8°F). Average precipitation: 3.53 inches.
September is a fall month in Two Harbors, and is warmer than the annual average of 41.3°F. Daily temperatures swing about 18°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
66.8°F
Avg Low
48.8°F
Precipitation
3.53 in
Daylight
12h 19m
September records in Two Harbors
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1953) | 35.1°F (1909) | 1.60 in (1930) |
| September 2 | 88.0°F (1978) | 36.0°F (1946) | 1.76 in (1937) |
| September 3 | 91.0°F (1925) | 35.1°F (1946) | 2.20 in (1985) |
| September 4 | 89.1°F (2023) | 37.9°F (1902) | 2.13 in (1980) |
| September 5 | 90.0°F (1908) | 10.9°F (2011) | 2.05 in (1911) |
| September 6 | 88.0°F (1921) | 23.0°F (2011) | 1.66 in (1899) |
| September 7 | 91.0°F (1906) | 30.0°F (1898) | 3.81 in (1964) |
| September 8 | 91.9°F (1906) | 37.0°F (1914) | 2.49 in (1991) |
| September 9 | 89.1°F (1906) | 30.0°F (1898) | 1.42 in (2025) |
| September 10 | 87.1°F (1908) | 33.1°F (1917) | 1.78 in (1951) |
| September 11 | 87.1°F (1931) | 27.0°F (2008) | 1.70 in (1895) |
| September 12 | 89.1°F (2011) | 30.9°F (1902) | 1.35 in (1903) |
| September 13 | 82.9°F (2002) | 30.9°F (1963) | 2.30 in (1967) |
| September 14 | 80.1°F (2017) | 35.1°F (1923) | 3.34 in (1998) |
| September 15 | 84.9°F (1939) | 30.9°F (1904) | 1.70 in (1928) |
| September 16 | 82.0°F (1905) | 30.0°F (1903) | 1.45 in (1933) |
| September 17 | 91.0°F (1925) | 28.0°F (1902) | 4.02 in (1955) |
| September 18 | 82.9°F (1925) | 28.0°F (1901) | 1.51 in (2007) |
| September 19 | 84.9°F (1984) | 21.9°F (1976) | 2.13 in (1987) |
| September 20 | 84.0°F (1908) | 28.9°F (1973) | 3.80 in (1972) |
| September 21 | 82.9°F (1908) | 23.0°F (1904) | 2.30 in (1924) |
| September 22 | 84.9°F (1937) | 25.0°F (1913) | 2.01 in (1895) |
| September 23 | 84.9°F (1938) | 28.9°F (1903) | 1.33 in (1926) |
| September 24 | 80.1°F (2017) | 30.9°F (1976) | 2.85 in (1977) |
| September 25 | 78.1°F (1908) | 28.0°F (1899) | 1.47 in (1986) |
| September 26 | 82.0°F (1938) | 28.0°F (1896) | 1.89 in (1999) |
| September 27 | 81.0°F (1905) | 27.0°F (1912) | 1.68 in (1946) |
| September 28 | 80.1°F (1905) | 25.0°F (1899) | 1.71 in (1895) |
| September 29 | 80.1°F (1989) | 26.1°F (1899) | 1.40 in (1925) |
| September 30 | 80.1°F (1897) | 27.0°F (1907) | 1.77 in (1985) |