Weather on September 12
Milwaukee, WI
55 Years of Data
Avg High
75°F
Avg Low
57°F
Warmest
2005
81°F avg
Coldest
2014
46°F avg
About This Date
September 12th in Milwaukee, WI typically brings pleasant fall weather, with average highs around 75°F and lows near 57°F. Over 55 years of records, the warmest September 12th was in 2005 (81°F average), while the coldest was 2014 (46°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 12th dates historically, with the wettest September 12th recording 7.87" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for September 12th in Milwaukee, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 58° | 65° | — | — |
| 2024 | 86° | 56° | 71° | — | — |
| 2023 | 65° | 54° | 59° | 0.66" | — |
| 2022 | 67° | 56° | 61° | 2.01" | — |
| 2021 | 76° | 66° | 71° | — | — |
| 2020 | 70° | 61° | 65° | 0.56" | — |
| 2019 | 72° | 60° | 66° | 4.01" | — |
| 2018 | 78° | 62° | 70° | — | — |
| 2017 | 75° | 51° | 63° | — | — |
| 2016 | 79° | 59° | 69° | — | — |
| 2015 | 63° | 48° | 55° | — | — |
| 2014coldest | 50° | 42° | 46° | 0.41" | — |
| 2013 | 74° | 56° | 65° | — | — |
| 2012 | 86° | 64° | 75° | — | — |
| 2011 | 87° | 67° | 77° | — | — |
| 2010 | 73° | 53° | 63° | 0.1" | — |
| 2009 | 81° | 57° | 69° | — | — |
| 2008 | 78° | 60° | 69° | — | — |
| 2007 | 67° | 42° | 54° | — | — |
| 2006 | 65° | 59° | 62° | 2.18" | — |
| 2005warmest | 93° | 68° | 81° | — | — |
| 2004 | 86° | 61° | 73° | — | — |
| 2003 | 86° | 65° | 75° | — | — |
| 2002 | 80° | 51° | 66° | — | — |
| 2001 | 80° | 50° | 65° | — | — |
| 2000 | 73° | 57° | 65° | 7.87" | — |
| 1999 | 74° | 55° | 64° | — | — |
| 1998 | 81° | 65° | 73° | — | — |
| 1997 | 69° | 51° | 60° | — | — |
| 1996 | 66° | 52° | 59° | — | — |
| 1995 | 73° | 52° | 62° | — | — |
| 1994 | 87° | 66° | 77° | — | — |
| 1993 | 82° | 61° | 71° | 0.03" | — |
| 1992 | 72° | 51° | 61° | — | — |
| 1991 | 74° | 60° | 67° | 3.07" | — |
| 1990 | 85° | 67° | 76° | — | — |
| 1989 | 66° | 47° | 56° | — | — |
| 1988 | 83° | 65° | 74° | 0.03" | — |
| 1987 | 74° | 57° | 65° | — | — |
| 1986 | 69° | 53° | 61° | — | — |
| 1985 | 61° | 49° | 55° | — | — |
| 1984 | 88° | 59° | 73° | — | — |
| 1983 | 69° | 56° | 62° | 0.1" | — |
| 1982 | 83° | 67° | 75° | — | — |
| 1981 | 80° | 65° | 72° | — | — |
| 1980 | 69° | 59° | 64° | 2.18" | — |
| 1979 | 86° | 65° | 75° | — | — |
| 1978 | 71° | 61° | 66° | 3.86" | — |
| 1977 | 66° | 56° | 61° | 1.19" | — |
| 1976 | 85° | 59° | 72° | — | — |
| 1975 | 57° | 44° | 51° | — | — |
| 1974 | 71° | 56° | 63° | 0.81" | — |
| 1973 | 74° | 51° | 62° | — | — |
| 1972 | 66° | 59° | 63° | 1.02" | — |
| 1971 | 74° | 60° | 67° | — | — |
55 years of data from W ALLIS