Weather on September 1
Cedar Rapids, IA
55 Years of Data
Avg High
82°F
Avg Low
59°F
Warmest
2000
84°F avg
Coldest
1974
56°F avg
About This Date
September 1st in Cedar Rapids, IA typically brings warm fall weather, with average highs around 82°F and lows near 59°F. Over 55 years of records, the warmest September 1st was in 2000 (84°F average), while the coldest was 1974 (56°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 18% of September 1st dates historically, with the wettest September 1st recording 4.75" of rain. The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
Planning for September 1st in Cedar Rapids, IA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 52° | 65° | — | — |
| 2024 | 82° | 55° | 69° | — | — |
| 2023 | 86° | 55° | 71° | — | — |
| 2022 | 87° | 62° | 75° | — | — |
| 2021 | 79° | 58° | 68° | — | — |
| 2020 | 79° | 50° | 64° | — | — |
| 2019 | 77° | 50° | 64° | — | — |
| 2018 | 84° | 70° | 77° | 3.63" | — |
| 2017 | 74° | 48° | 61° | — | — |
| 2016 | 79° | 54° | 66° | — | — |
| 2015 | 89° | 67° | 78° | — | — |
| 2014 | 87° | 64° | 76° | 2.18" | — |
| 2013 | 87° | 68° | 78° | — | — |
| 2012 | 87° | 69° | 78° | — | — |
| 2011 | 96° | 71° | 84° | — | — |
| 2010 | 82° | 67° | 74° | 4.75" | — |
| 2009 | 72° | 43° | 57° | — | — |
| 2008 | 89° | 65° | 77° | — | — |
| 2007 | 81° | 54° | 67° | — | — |
| 2006 | 77° | 55° | 66° | — | — |
| 2005 | 84° | 56° | 70° | — | — |
| 2004 | 86° | 63° | 74° | — | — |
| 2003 | 76° | 55° | 65° | — | — |
| 2002 | 86° | 64° | 75° | — | — |
| 2001 | 81° | 51° | 66° | — | — |
| 2000warmest | 94° | 74° | 84° | — | — |
| 1999 | 86° | 56° | 71° | — | — |
| 1998 | 80° | 58° | 69° | 0.3" | — |
| 1997 | 84° | 64° | 74° | — | — |
| 1996 | 83° | 57° | 70° | — | — |
| 1995 | 82° | 58° | 70° | — | — |
| 1994 | 69° | 48° | 59° | — | — |
| 1993 | 74° | 50° | 62° | — | — |
| 1992 | 71° | 51° | 61° | — | — |
| 1991 | 83° | 55° | 69° | — | — |
| 1990 | 86° | 65° | 75° | — | — |
| 1989 | 78° | 65° | 71° | 0.91" | — |
| 1988 | 82° | 60° | 71° | — | — |
| 1987 | 80° | 46° | 63° | — | — |
| 1986 | 82° | 53° | 68° | — | — |
| 1985 | 87° | 67° | 77° | — | — |
| 1984 | 97° | 64° | 80° | — | — |
| 1983 | 81° | 59° | 70° | — | — |
| 1982 | 83° | 66° | 74° | 0.03" | — |
| 1981 | 77° | 59° | 68° | 0.15" | — |
| 1980 | 79° | 65° | 72° | 0.28" | — |
| 1979 | 84° | 66° | 75° | — | — |
| 1978 | 80° | 58° | 69° | — | — |
| 1977 | 81° | 65° | 73° | 0.03" | — |
| 1976 | 84° | 61° | 72° | — | — |
| 1975 | 89° | 62° | 76° | — | — |
| 1974coldest | 65° | 48° | 56° | — | — |
| 1973 | 91° | 72° | 81° | — | — |
| 1972 | 76° | 59° | 67° | 2.29" | — |
| 1971 | 88° | 61° | 74° | — | — |
55 years of data from CEDAR RAPIDS #1