Weather on September 1
Des Moines, IA
55 Years of Data
About This Date
September 1st in Des Moines, 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 1984 (83°F average), while the coldest was 1994 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 1st dates historically, with the wettest September 1st recording 5" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Des Moines, IA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 58° | 67° | — | — |
| 2024 | 79° | 62° | 70° | — | — |
| 2023 | 87° | 58° | 72° | — | — |
| 2022 | 85° | 67° | 76° | 3.91" | — |
| 2021 | 80° | 61° | 70° | — | — |
| 2020 | 80° | 59° | 70° | 0.05" | — |
| 2019 | 67° | 55° | 61° | — | — |
| 2018 | 87° | 67° | 77° | 3.05" | — |
| 2017 | 81° | 52° | 66° | — | — |
| 2016 | 80° | 55° | 68° | — | — |
| 2015 | 86° | 67° | 76° | — | — |
| 2014 | 86° | 64° | 75° | 5" | — |
| 2013 | 91° | 67° | 79° | 0.23" | — |
| 2012 | 83° | 69° | 76° | — | — |
| 2011 | 93° | 61° | 77° | — | — |
| 2010 | 88° | 68° | 78° | 2.69" | — |
| 2009 | 74° | 46° | 60° | — | — |
| 2008 | 85° | 61° | 73° | — | — |
| 2007 | 83° | 54° | 68° | — | — |
| 2006 | 82° | 54° | 68° | — | — |
| 2005 | 87° | 51° | 69° | — | — |
| 2004 | 85° | 54° | 69° | — | — |
| 2003 | 66° | 52° | 59° | 0.1" | — |
| 2002 | 88° | 63° | 75° | — | — |
| 2001 | 84° | 48° | 66° | — | — |
| 2000 | 98° | 68° | 83° | — | — |
| 1999 | 79° | 40° | 59° | — | — |
| 1998 | 78° | 56° | 67° | — | — |
| 1997 | 91° | 56° | 73° | — | — |
| 1996 | 82° | 52° | 67° | — | — |
| 1995 | 81° | 54° | 67° | — | — |
| 1994coldest | 67° | 49° | 58° | — | — |
| 1993 | 72° | 49° | 60° | — | — |
| 1992 | 74° | 47° | 60° | — | — |
| 1991 | 84° | 58° | 71° | — | — |
| 1990 | 89° | 65° | 77° | — | — |
| 1989 | 80° | 62° | 71° | — | — |
| 1988 | 85° | 59° | 72° | — | — |
| 1987 | 79° | 51° | 65° | — | — |
| 1986 | 84° | 56° | 70° | — | — |
| 1985 | 86° | 70° | 78° | — | — |
| 1984warmest | 97° | 69° | 83° | — | — |
| 1983 | 87° | 58° | 72° | — | — |
| 1982 | 83° | 66° | 74° | — | — |
| 1981 | 74° | 54° | 64° | — | — |
| 1980 | 82° | 63° | 72° | — | — |
| 1979 | 81° | 62° | 71° | 0.58" | — |
| 1978 | 84° | 61° | 72° | — | — |
| 1977 | 83° | 62° | 72° | 0.64" | — |
| 1976 | 90° | 63° | 76° | — | — |
| 1975 | 79° | 60° | 69° | — | — |
| 1974 | 68° | 52° | 60° | 0.08" | — |
| 1973 | 87° | 68° | 78° | 0.76" | — |
| 1972 | 81° | 54° | 67° | — | — |
| 1971 | 86° | 63° | 74° | — | — |
Des Moines, IA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Des Moines, IA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Des Moines, IA 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 Des Moines, IA
Des Moines, IA has no months that meet our "pleasant" threshold — every season has tradeoffs.