Weather on September 23
Milwaukee, WI
55 Years of Data
About This Date
September 23rd in Milwaukee, WI typically brings mild fall weather, with average highs around 69°F and lows near 51°F. Over 55 years of records, the warmest September 23rd was in 2017 (82°F average), while the coldest was 1995 (43°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 29% of September 23rd dates historically, with the wettest September 23rd recording 5.21" of rain. The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
Planning for September 23rd in Milwaukee, WI? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 61° | 70° | 2.97" | — |
| 2024 | 69° | 52° | 60° | 4.24" | — |
| 2023 | 81° | 65° | 73° | — | — |
| 2022 | 64° | 47° | 55° | — | — |
| 2021 | 68° | 53° | 61° | — | — |
| 2020 | 80° | 60° | 70° | — | — |
| 2019 | 76° | 58° | 67° | — | — |
| 2018 | 67° | 47° | 57° | — | — |
| 2017warmest | 91° | 73° | 82° | — | — |
| 2016 | 71° | 63° | 67° | 0.08" | — |
| 2015 | 76° | 55° | 65° | — | — |
| 2014 | 73° | 53° | 63° | — | — |
| 2013 | 61° | 48° | 54° | — | — |
| 2012 | 58° | 41° | 49° | — | — |
| 2011 | 60° | 46° | 53° | — | — |
| 2010 | 76° | 58° | 67° | — | — |
| 2009 | 72° | 62° | 67° | 1.42" | — |
| 2008 | 77° | 60° | 69° | — | — |
| 2007 | 77° | 48° | 63° | — | — |
| 2006 | 67° | 57° | 62° | 0.05" | — |
| 2005 | 76° | 51° | 63° | 0.13" | — |
| 2004 | 85° | 55° | 70° | — | — |
| 2003 | 68° | 46° | 57° | 0.1" | — |
| 2002 | 68° | 40° | 54° | — | — |
| 2001 | 78° | 53° | 66° | 0.1" | — |
| 2000 | 60° | 51° | 56° | 5.21" | — |
| 1999 | 75° | 47° | 61° | — | — |
| 1998 | 65° | 46° | 55° | — | — |
| 1997 | 61° | 50° | 55° | — | — |
| 1996 | 65° | 50° | 57° | 0.13" | — |
| 1995coldest | 54° | 32° | 43° | — | — |
| 1994 | 75° | 60° | 68° | — | — |
| 1993 | 66° | 49° | 57° | — | — |
| 1992 | 57° | 40° | 48° | — | — |
| 1991 | 63° | 46° | 54° | — | — |
| 1990 | 61° | 42° | 51° | — | — |
| 1989 | 56° | 36° | 46° | — | — |
| 1988 | 67° | 50° | 58° | — | — |
| 1987 | 73° | 61° | 67° | — | — |
| 1986 | 71° | 63° | 67° | 0.46" | — |
| 1985 | 72° | 49° | 60° | 0.23" | — |
| 1984 | 73° | 64° | 69° | — | — |
| 1983 | 58° | 39° | 48° | — | — |
| 1982 | 68° | 46° | 57° | 0.1" | — |
| 1981 | 67° | 47° | 57° | — | — |
| 1980 | 61° | 45° | 53° | — | — |
| 1979 | 69° | 48° | 59° | — | — |
| 1978 | 71° | 49° | 60° | — | — |
| 1977 | 65° | 56° | 60° | 0.46" | — |
| 1976 | 62° | 43° | 52° | — | — |
| 1975 | 70° | 45° | 57° | — | — |
| 1974 | 58° | 40° | 49° | 0.05" | — |
| 1973 | 65° | 49° | 57° | — | — |
| 1972 | 64° | 48° | 56° | 0.33" | — |
| 1971 | 62° | 48° | 55° | — | — |
Milwaukee, WI Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Milwaukee, WI Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Milwaukee, WI Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Milwaukee, WI
Milwaukee, WI has no months that meet our "pleasant" threshold — every season has tradeoffs.