Weather on September 30
Milwaukee, WI
55 Years of Data
Avg High
69°F
Avg Low
50°F
Warmest
1971
77°F avg
Coldest
1972
45°F avg
About This Date
September 30th in Milwaukee, WI typically brings mild fall weather, with average highs around 69°F and lows near 50°F. Over 55 years of records, the warmest September 30th was in 1971 (77°F average), while the coldest was 1972 (45°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 33% of September 30th dates historically, with the wettest September 30th recording 2.95" of rain. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for September 30th in Milwaukee, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 56° | 70° | — | — |
| 2024 | 78° | 56° | 67° | — | — |
| 2023 | 76° | 56° | 66° | — | — |
| 2022 | 65° | 44° | 54° | — | — |
| 2021 | 75° | 56° | 65° | — | — |
| 2020 | 61° | 50° | 55° | 0.25" | — |
| 2019 | 87° | 63° | 75° | — | — |
| 2018 | 57° | 48° | 53° | 2.95" | — |
| 2017 | 63° | 49° | 56° | — | — |
| 2016 | 64° | 59° | 62° | 1.45" | — |
| 2015 | 59° | 52° | 55° | — | — |
| 2014 | 54° | 45° | 49° | 0.05" | — |
| 2013 | 71° | 45° | 58° | — | — |
| 2012 | 63° | 47° | 55° | — | — |
| 2011 | 59° | 44° | 52° | 0.05" | — |
| 2010 | 80° | 54° | 67° | — | — |
| 2009 | 63° | 38° | 50° | — | — |
| 2008 | 63° | 47° | 55° | 0.13" | — |
| 2007 | 74° | 55° | 64° | — | — |
| 2006 | 55° | 47° | 51° | — | — |
| 2005 | 63° | 40° | 51° | — | — |
| 2004 | 70° | 40° | 55° | — | — |
| 2003 | 60° | 38° | 49° | 0.1" | — |
| 2002 | 81° | 58° | 69° | 0.1" | — |
| 2001 | 70° | 41° | 55° | — | — |
| 2000 | 70° | 50° | 60° | — | — |
| 1999 | 63° | 46° | 54° | — | — |
| 1998 | 71° | 49° | 60° | 0.97" | — |
| 1997 | 63° | 50° | 56° | 0.03" | — |
| 1996 | 80° | 47° | 63° | — | — |
| 1995 | 81° | 66° | 73° | 0.13" | — |
| 1994 | 70° | 49° | 59° | — | — |
| 1993 | 59° | 36° | 47° | — | — |
| 1992 | 65° | 43° | 54° | — | — |
| 1991 | 77° | 54° | 65° | — | — |
| 1990 | 61° | 45° | 53° | — | — |
| 1989 | 68° | 45° | 56° | — | — |
| 1988 | 80° | 53° | 67° | — | — |
| 1987 | 60° | 47° | 53° | — | — |
| 1986 | 64° | 52° | 58° | 0.76" | — |
| 1985 | 63° | 46° | 54° | 0.38" | — |
| 1984 | 60° | 40° | 50° | — | — |
| 1983 | 80° | 56° | 68° | — | — |
| 1982 | 87° | 61° | 74° | — | — |
| 1981 | 63° | 55° | 59° | 2.92" | — |
| 1980 | 77° | 56° | 66° | — | — |
| 1979 | 78° | 58° | 68° | — | — |
| 1978 | 71° | 56° | 63° | 0.1" | — |
| 1977 | 60° | 51° | 56° | 1.73" | — |
| 1976 | 78° | 47° | 62° | — | — |
| 1975 | 73° | 52° | 62° | 0.05" | — |
| 1974 | 53° | 41° | 47° | — | — |
| 1973 | 62° | 55° | 59° | 0.2" | — |
| 1972coldest | 55° | 36° | 45° | — | — |
| 1971warmest | 91° | 62° | 77° | — | — |
55 years of data from W ALLIS