Weather on September 4
Duluth, MN
55 Years of Data
Avg High
70°F
Avg Low
54°F
Warmest
2023
75°F avg
Coldest
2025
48°F avg
About This Date
September 4th in Duluth, MN typically brings pleasant fall weather, with average highs around 70°F and lows near 54°F. Over 55 years of records, the warmest September 4th was in 2023 (75°F average), while the coldest was 2025 (48°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 4th dates historically, with the wettest September 4th recording 2.03" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for September 4th in Duluth, MN? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 53° | 42° | 48° | 1.42" | — |
| 2024 | 83° | 58° | 70° | — | — |
| 2023warmest | 83° | 68° | 75° | — | — |
| 2022 | 63° | 51° | 57° | — | — |
| 2021 | 78° | 58° | 68° | — | — |
| 2020 | 71° | 46° | 59° | — | — |
| 2019 | 64° | 51° | 58° | — | — |
| 2018 | 67° | 64° | 65° | 0.84" | — |
| 2017 | 69° | 55° | 62° | 0.23" | — |
| 2016 | 78° | 57° | 68° | — | — |
| 2015 | 64° | 59° | 62° | — | — |
| 2014 | 68° | 61° | 64° | 0.18" | — |
| 2013 | 77° | 49° | 63° | — | — |
| 2012 | 74° | 60° | 67° | — | — |
| 2011 | 65° | 55° | 60° | — | — |
| 2010 | 65° | 46° | 55° | — | — |
| 2009 | 79° | 51° | 65° | — | — |
| 2008 | 60° | 44° | 52° | — | — |
| 2007 | 60° | 59° | 60° | — | — |
| 2006 | 77° | 54° | 65° | — | — |
| 2005 | 61° | 55° | 58° | — | — |
| 2004 | 76° | 54° | 65° | — | — |
| 2003 | 69° | 48° | 59° | — | — |
| 2002 | 76° | 50° | 63° | — | — |
| 2001 | 72° | 56° | 64° | — | — |
| 2000 | 58° | 53° | 55° | — | — |
| 1999 | 66° | 59° | 63° | — | — |
| 1998 | 69° | 55° | 62° | — | — |
| 1997 | 61° | 52° | 56° | — | — |
| 1996 | 76° | 61° | 68° | — | — |
| 1995 | 86° | 61° | 73° | — | — |
| 1994 | 61° | 57° | 59° | — | — |
| 1993 | 64° | 47° | 55° | — | — |
| 1992 | 71° | 53° | 62° | 0.76" | — |
| 1991 | 72° | 59° | 65° | — | — |
| 1990 | 81° | 59° | 70° | — | — |
| 1989 | 72° | 59° | 65° | — | — |
| 1988 | 65° | 53° | 59° | 0.25" | — |
| 1987 | 78° | 54° | 66° | — | — |
| 1986 | 67° | 54° | 60° | — | — |
| 1985 | 63° | 52° | 57° | — | — |
| 1984 | 63° | 50° | 56° | 0.05" | — |
| 1983 | 73° | 64° | 69° | 0.74" | — |
| 1982 | 78° | 53° | 66° | — | — |
| 1981 | 67° | 53° | 60° | — | — |
| 1980 | 73° | 62° | 68° | 2.03" | — |
| 1979 | 75° | 54° | 64° | 0.08" | — |
| 1978 | 85° | 57° | 71° | — | — |
| 1977 | 74° | 44° | 59° | 0.23" | — |
| 1976 | 74° | 51° | 62° | — | — |
| 1975 | 72° | 56° | 64° | 0.1" | — |
| 1974 | 69° | 38° | 53° | — | — |
| 1973 | 70° | 61° | 65° | 0.05" | — |
| 1972 | 64° | 53° | 59° | 0.15" | — |
| 1971 | 78° | 62° | 70° | 0.33" | — |
55 years of data from DULUTH HARBOR STN