Weather on September 20
Cedar Rapids, IA
55 Years of Data
Avg High
76°F
Avg Low
53°F
Warmest
2022
83°F avg
Coldest
1991
45°F avg
About This Date
September 20th in Cedar Rapids, IA typically brings pleasant fall weather, with average highs around 76°F and lows near 53°F. Over 55 years of records, the warmest September 20th was in 2022 (83°F average), while the coldest was 1991 (45°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 49% of September 20th dates historically, with the wettest September 20th recording 3.58" of rain. The last decade has been 9.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.6°F warmer on this date compared to 20-30 years ago.
Planning for September 20th in Cedar Rapids, IA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 58° | 66° | 0.81" | — |
| 2024 | 92° | 64° | 78° | 0.18" | — |
| 2023 | 78° | 60° | 69° | 0.28" | — |
| 2022warmest | 98° | 68° | 83° | — | — |
| 2021 | 87° | 68° | 78° | — | — |
| 2020 | 72° | 46° | 59° | — | — |
| 2019 | 87° | 65° | 76° | 0.05" | — |
| 2018 | 91° | 59° | 75° | 0.28" | — |
| 2017 | 90° | 67° | 78° | — | — |
| 2016 | 88° | 58° | 73° | — | — |
| 2015 | 73° | 44° | 59° | — | — |
| 2014 | 79° | 65° | 72° | 0.58" | — |
| 2013 | 78° | 58° | 68° | 2.03" | — |
| 2012 | 77° | 43° | 60° | — | — |
| 2011 | 80° | 46° | 63° | — | — |
| 2010 | 87° | 55° | 71° | 0.1" | — |
| 2009 | 77° | 56° | 66° | — | — |
| 2008 | 82° | 55° | 69° | — | — |
| 2007 | 84° | 51° | 68° | — | — |
| 2006 | 61° | 37° | 49° | — | — |
| 2005 | 87° | 53° | 70° | — | — |
| 2004 | 82° | 56° | 69° | — | — |
| 2003 | 71° | 42° | 57° | — | — |
| 2002 | 73° | 61° | 67° | 0.36" | — |
| 2001 | 74° | 52° | 63° | 0.23" | — |
| 2000 | 65° | 55° | 60° | 0.86" | — |
| 1999 | 64° | 45° | 54° | — | — |
| 1998 | 83° | 66° | 74° | 0.03" | — |
| 1997 | 73° | 50° | 62° | — | — |
| 1996 | 70° | 56° | 63° | 0.94" | — |
| 1995 | 55° | 48° | 52° | 0.05" | — |
| 1994 | 81° | 55° | 68° | — | — |
| 1993 | 68° | 57° | 63° | 0.05" | — |
| 1992 | 62° | 49° | 55° | 2.29" | — |
| 1991coldest | 61° | 30° | 45° | — | — |
| 1990 | 67° | 48° | 57° | — | — |
| 1989 | 80° | 53° | 67° | — | — |
| 1988 | 71° | 50° | 61° | 0.05" | — |
| 1987 | 63° | 50° | 56° | 0.1" | — |
| 1986 | 73° | 58° | 65° | 0.25" | — |
| 1985 | 85° | 55° | 70° | 0.46" | — |
| 1984 | 86° | 55° | 71° | — | — |
| 1983 | 81° | 46° | 63° | 2.06" | — |
| 1982 | 65° | 41° | 53° | — | — |
| 1981 | 77° | 47° | 62° | — | — |
| 1980 | 87° | 64° | 76° | 0.89" | — |
| 1979 | 81° | 48° | 64° | — | — |
| 1978 | 82° | 54° | 68° | 3.58" | — |
| 1977 | 70° | 50° | 60° | — | — |
| 1976 | 69° | 55° | 62° | — | — |
| 1975 | 61° | 49° | 55° | 0.03" | — |
| 1974 | 70° | 51° | 60° | — | — |
| 1973 | 69° | 48° | 59° | 0.33" | — |
| 1972 | 84° | 69° | 77° | 0.71" | — |
| 1971 | 70° | 38° | 54° | 0.03" | — |
55 years of data from CEDAR RAPIDS #1