Weather on September 27
Ann Arbor, MI
55 Years of Data
About This Date
September 27th in Ann Arbor, MI typically brings pleasant fall weather, with average highs around 71°F and lows near 49°F. Over 56 years of records, the warmest September 27th was in 1998 (77°F average), while the coldest was 1991 (45°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 41% of September 27th dates historically, with the wettest September 27th recording 3.94" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 27th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 72° | 45° | 58° | — | — |
| 2025 | 85° | 48° | 66° | — | — |
| 2024 | 72° | 59° | 65° | 0.01" | — |
| 2023 | 63° | 58° | 60° | 0.72" | — |
| 2022 | 61° | 46° | 53° | — | — |
| 2021 | 81° | 60° | 70° | — | — |
| 2020 | 76° | 56° | 66° | 0.04" | — |
| 2019 | 75° | 39° | 57° | — | — |
| 2018 | 62° | 36° | 49° | — | — |
| 2017 | 79° | 57° | 68° | — | — |
| 2016 | 69° | 44° | 57° | — | — |
| 2015 | 77° | 52° | 64° | — | — |
| 2014 | 78° | 43° | 60° | — | — |
| 2013 | 75° | 40° | 57° | — | — |
| 2012 | 69° | 47° | 58° | — | — |
| 2011 | 70° | 45° | 57° | 0.22" | — |
| 2010 | 58° | 44° | 51° | — | — |
| 2009 | 70° | 52° | 61° | 0.01" | — |
| 2008 | 71° | 54° | 62° | — | — |
| 2007 | 74° | 50° | 62° | 0.01" | — |
| 2006 | 72° | 42° | 57° | 0.06" | — |
| 2005 | 77° | 39° | 58° | — | — |
| 2004 | 75° | 37° | 56° | — | — |
| 2003 | 64° | 43° | 53° | 0.02" | — |
| 2002 | 72° | 56° | 64° | 0.5" | — |
| 2001 | 59° | 46° | 53° | — | — |
| 2000 | 73° | 40° | 56° | 0.04" | — |
| 1999 | 87° | 48° | 68° | — | — |
| 1998warmest | 86° | 68° | 77° | 0.03" | — |
| 1997 | 67° | 43° | 55° | — | — |
| 1996 | 69° | 57° | 63° | 1.08" | — |
| 1995 | 78° | 48° | 63° | — | — |
| 1994 | 58° | 53° | 55° | 0.63" | — |
| 1993 | 58° | 48° | 53° | 0.62" | — |
| 1992 | 69° | 55° | 62° | 0.26" | — |
| 1991coldest | 56° | 35° | 45° | — | — |
| 1990 | 77° | 52° | 64° | — | — |
| 1989 | 59° | 32° | 46° | — | — |
| 1988 | 78° | 54° | 66° | — | — |
| 1987 | 82° | 51° | 67° | 0.02" | — |
| 1986 | 83° | 64° | 73° | 0.55" | — |
| 1985 | 63° | 44° | 53° | — | — |
| 1984 | 53° | 40° | 46° | — | — |
| 1983 | 77° | 49° | 63° | — | — |
| 1982 | 64° | 55° | 60° | 0.69" | — |
| 1981 | 72° | 53° | 62° | 0.31" | — |
| 1980 | 66° | 35° | 51° | — | — |
| 1979 | 78° | 54° | 66° | — | — |
| 1978 | 74° | 47° | 60° | 0.1" | — |
| 1977 | 67° | 52° | 59° | — | — |
| 1976 | 66° | 52° | 59° | 0.35" | — |
| 1975 | 65° | 43° | 54° | — | — |
| 1974 | 76° | 50° | 63° | — | — |
| 1973 | 84° | 62° | 73° | — | — |
| 1972 | 75° | 51° | 63° | 0.01" | — |
| 1971 | 73° | 58° | 65° | 3.94" | — |
Ann Arbor, MI Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Ann Arbor, MI Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Ann Arbor, MI 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 Ann Arbor, MI
Most pleasant months in Ann Arbor, MI: May, June, August, September.
What to expect on September 27th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 27th outlook →