Weather on September 12
Cedar Rapids, IA
55 Years of Data
Avg High
79°F
Avg Low
56°F
Warmest
1978
78°F avg
Coldest
1975
50°F avg
About This Date
September 12th in Cedar Rapids, IA typically brings pleasant fall weather, with average highs around 79°F and lows near 56°F. Over 55 years of records, the warmest September 12th was in 1978 (78°F average), while the coldest was 1975 (50°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 33% of September 12th dates historically, with the wettest September 12th recording 3.4" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for September 12th in Cedar Rapids, IA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 58° | 73° | — | — |
| 2024 | 85° | 54° | 69° | — | — |
| 2023 | 77° | 46° | 62° | 0.05" | — |
| 2022 | 71° | 58° | 64° | — | — |
| 2021 | 84° | 68° | 76° | — | — |
| 2020 | 68° | 59° | 64° | 3.4" | — |
| 2019 | 88° | 67° | 77° | 1.3" | — |
| 2018 | 83° | 55° | 69° | — | — |
| 2017 | 82° | 50° | 66° | — | — |
| 2016 | 83° | 51° | 67° | — | — |
| 2015 | 68° | 45° | 56° | — | — |
| 2014 | 58° | 44° | 51° | 0.48" | — |
| 2013 | 83° | 61° | 72° | — | — |
| 2012 | 85° | 63° | 74° | — | — |
| 2011 | 88° | 62° | 75° | — | — |
| 2010 | 87° | 50° | 69° | — | — |
| 2009 | 80° | 57° | 69° | — | — |
| 2008 | 72° | 68° | 70° | 0.28" | — |
| 2007 | 69° | 38° | 53° | — | — |
| 2006 | 60° | 54° | 57° | 0.03" | — |
| 2005 | 87° | 65° | 76° | — | — |
| 2004 | 85° | 57° | 71° | — | — |
| 2003 | 84° | 66° | 75° | 0.38" | — |
| 2002 | 77° | 49° | 63° | — | — |
| 2001 | 83° | 56° | 69° | — | — |
| 2000 | 74° | 51° | 62° | — | — |
| 1999 | 69° | 60° | 65° | 0.13" | — |
| 1998 | 91° | 55° | 73° | — | — |
| 1997 | 75° | 48° | 62° | — | — |
| 1996 | 70° | 45° | 57° | — | — |
| 1995 | 72° | 58° | 65° | 0.18" | — |
| 1994 | 85° | 62° | 73° | — | — |
| 1993 | 86° | 62° | 74° | 0.05" | — |
| 1992 | 74° | 49° | 61° | — | — |
| 1991 | 90° | 66° | 78° | 0.86" | — |
| 1990 | 87° | 62° | 75° | — | — |
| 1989 | 67° | 46° | 56° | 0.03" | — |
| 1988 | 87° | 64° | 76° | — | — |
| 1987 | 71° | 51° | 61° | — | — |
| 1986 | 71° | 47° | 59° | — | — |
| 1985 | 68° | 51° | 60° | — | — |
| 1984 | 90° | 61° | 75° | — | — |
| 1983 | 71° | 55° | 63° | 0.13" | — |
| 1982 | 83° | 67° | 75° | — | — |
| 1981 | 83° | 60° | 71° | — | — |
| 1980 | 80° | 62° | 71° | 2.01" | — |
| 1979 | 83° | 59° | 71° | — | — |
| 1978warmest | 87° | 70° | 78° | — | — |
| 1977 | 72° | 59° | 65° | 0.38" | — |
| 1976 | 85° | 52° | 68° | — | — |
| 1975coldest | 63° | 38° | 50° | 0.03" | — |
| 1974 | 78° | 54° | 66° | 1.52" | — |
| 1973 | 75° | 45° | 60° | — | — |
| 1972 | 80° | 64° | 72° | 0.2" | — |
| 1971 | 84° | 53° | 69° | — | — |
55 years of data from CEDAR RAPIDS #1