Weather on September 30
Davenport, IA
55 Years of Data
Avg High
74°F
Avg Low
52°F
Warmest
1971
78°F avg
Coldest
1984
46°F avg
About This Date
September 30th in Davenport, IA typically brings pleasant fall weather, with average highs around 74°F and lows near 52°F. Over 55 years of records, the warmest September 30th was in 1971 (78°F average), while the coldest was 1984 (46°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 18% of September 30th dates historically, with the wettest September 30th recording 1.04" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for September 30th in Davenport, IA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | — | — | — | — |
| 2024 | 84° | 55° | 70° | — | — |
| 2023 | 90° | 65° | 77° | — | — |
| 2022 | 70° | 44° | 57° | — | — |
| 2021 | 88° | 63° | 75° | — | — |
| 2020 | 67° | 45° | 56° | 0.18" | — |
| 2019 | 88° | 64° | 76° | — | — |
| 2018 | 61° | 50° | 55° | 0.25" | — |
| 2017 | 71° | 50° | 61° | — | — |
| 2016 | 65° | 57° | 61° | — | — |
| 2015 | 66° | 48° | 57° | — | — |
| 2014 | 65° | 52° | 58° | — | — |
| 2013 | 78° | 51° | 65° | — | — |
| 2012 | 71° | 50° | 61° | — | — |
| 2011 | 66° | 50° | 58° | — | — |
| 2010 | 74° | 57° | 65° | — | — |
| 2009 | 63° | 48° | 55° | — | — |
| 2008 | 63° | 48° | 55° | 0.33" | — |
| 2007 | 87° | 59° | 73° | — | — |
| 2006 | 74° | 50° | 62° | 0.03" | — |
| 2005 | 76° | 46° | 61° | — | — |
| 2004 | 77° | 49° | 63° | — | — |
| 2003 | 57° | 41° | 49° | — | — |
| 2002 | 88° | 69° | 78° | — | — |
| 2001 | 77° | 48° | 63° | — | — |
| 2000 | 79° | 58° | 68° | — | — |
| 1999 | 71° | 46° | 59° | — | — |
| 1998 | 83° | 55° | 69° | 1.04" | — |
| 1997 | 74° | 55° | 64° | — | — |
| 1996 | 81° | 54° | 67° | — | — |
| 1995 | 81° | 63° | 72° | 0.2" | — |
| 1994 | 88° | 58° | 73° | — | — |
| 1993 | 65° | 42° | 53° | — | — |
| 1992 | 72° | 43° | 57° | — | — |
| 1991 | 78° | 60° | 69° | — | — |
| 1990 | 67° | 45° | 56° | — | — |
| 1989 | 76° | 50° | 63° | — | — |
| 1988 | 78° | 62° | 70° | — | — |
| 1987 | 69° | 41° | 55° | — | — |
| 1986 | 68° | 55° | 62° | 0.94" | — |
| 1985 | 59° | 42° | 51° | 0.81" | — |
| 1984coldest | 62° | 30° | 46° | — | — |
| 1983 | 83° | 61° | 72° | — | — |
| 1982 | 86° | 63° | 74° | — | — |
| 1981 | 88° | 58° | 73° | 0.2" | — |
| 1980 | 80° | 54° | 67° | — | — |
| 1979 | 78° | 54° | 66° | — | — |
| 1978 | 62° | 49° | 55° | — | — |
| 1977 | 67° | 54° | 60° | — | — |
| 1976 | 74° | 47° | 60° | — | — |
| 1975 | 67° | 50° | 58° | 0.13" | — |
| 1974 | 56° | 41° | 48° | — | — |
| 1973 | 66° | 58° | 62° | — | — |
| 1972 | 59° | 37° | 48° | — | — |
| 1971warmest | 90° | 67° | 78° | — | — |
55 years of data from DAVENPORT L&D 15