Weather on September 1
Green Bay, WI
55 Years of Data
Avg High
77°F
Avg Low
54°F
Warmest
1973
80°F avg
Coldest
1974
51°F avg
About This Date
September 1st in Green Bay, WI typically brings pleasant fall weather, with average highs around 77°F and lows near 54°F. Over 55 years of records, the warmest September 1st was in 1973 (80°F average), while the coldest was 1974 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 1st dates historically, with the wettest September 1st recording 3.99" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for September 1st in Green Bay, WI? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 47° | 62° | — | — |
| 2024 | 75° | 51° | 63° | — | — |
| 2023 | 79° | 49° | 64° | — | — |
| 2022 | 87° | 57° | 72° | — | — |
| 2021 | 74° | 54° | 64° | — | — |
| 2020 | 74° | 48° | 61° | 0.33" | — |
| 2019 | 75° | 49° | 62° | — | — |
| 2018 | 80° | 65° | 72° | — | — |
| 2017 | 69° | 45° | 57° | — | — |
| 2016 | 71° | 53° | 62° | — | — |
| 2015 | 88° | 65° | 76° | — | — |
| 2014 | 76° | 60° | 68° | 0.69" | — |
| 2013 | 82° | 60° | 71° | — | — |
| 2012 | 78° | 54° | 66° | — | — |
| 2011 | 84° | 58° | 71° | — | — |
| 2010 | 80° | 65° | 72° | 0.43" | — |
| 2009 | 72° | 41° | 56° | — | — |
| 2008 | 88° | 53° | 70° | — | — |
| 2007 | 81° | 55° | 68° | — | — |
| 2006 | 76° | 47° | 61° | — | — |
| 2005 | 81° | 60° | 70° | — | — |
| 2004 | 79° | 61° | 70° | — | — |
| 2003 | 80° | 49° | 64° | — | — |
| 2002 | 82° | 55° | 69° | — | — |
| 2001 | 69° | 41° | 55° | — | — |
| 2000 | 75° | 59° | 67° | 0.69" | — |
| 1999 | 81° | 49° | 65° | — | — |
| 1998 | 79° | 50° | 64° | 0.81" | — |
| 1997 | 81° | 57° | 69° | 0.03" | — |
| 1996 | 81° | 52° | 66° | — | — |
| 1995 | 75° | 57° | 66° | — | — |
| 1994 | 67° | 42° | 54° | — | — |
| 1993 | 74° | 45° | 59° | — | — |
| 1992 | 74° | 43° | 58° | — | — |
| 1991 | 72° | 46° | 59° | — | — |
| 1990 | 87° | 60° | 74° | — | — |
| 1989 | 71° | 50° | 61° | 0.1" | — |
| 1988 | 82° | 58° | 70° | — | — |
| 1987 | 68° | 49° | 58° | 0.25" | — |
| 1986 | 80° | 52° | 66° | — | — |
| 1985 | 76° | 58° | 67° | — | — |
| 1984 | 67° | 56° | 61° | 3.99" | — |
| 1983 | 78° | 53° | 66° | — | — |
| 1982 | 78° | 60° | 69° | 1.04" | — |
| 1981 | 73° | 56° | 64° | 0.08" | — |
| 1980 | 77° | 63° | 70° | 1.47" | — |
| 1979 | 83° | 66° | 74° | 0.08" | — |
| 1978 | 82° | 58° | 70° | — | — |
| 1977 | 75° | 58° | 66° | — | — |
| 1976 | 62° | 44° | 53° | 0.08" | — |
| 1975 | 78° | 54° | 66° | — | — |
| 1974coldest | 62° | 40° | 51° | — | — |
| 1973warmest | 91° | 70° | 80° | — | — |
| 1972 | 77° | 61° | 69° | 2.74" | — |
| 1971 | 77° | 61° | 69° | — | — |
55 years of data from GREEN BAY