Weather on September 17
Davenport, IA
55 Years of Data
Avg High
77°F
Avg Low
56°F
Warmest
1988
80°F avg
Coldest
1973
52°F avg
About This Date
September 17th in Davenport, IA typically brings pleasant fall weather, with average highs around 77°F and lows near 56°F. Over 55 years of records, the warmest September 17th was in 1988 (80°F average), while the coldest was 1973 (52°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 17th dates historically, with the wettest September 17th recording 3.73" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for September 17th in Davenport, IA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 57° | 72° | — | — |
| 2024 | 88° | 64° | 76° | — | — |
| 2023 | 74° | 54° | 64° | — | — |
| 2022 | 77° | 67° | 72° | 1.22" | — |
| 2021 | 87° | 59° | 73° | — | — |
| 2020 | 71° | 56° | 63° | — | — |
| 2019 | 82° | 63° | 72° | — | — |
| 2018 | 90° | 66° | 78° | — | — |
| 2017 | 78° | 55° | 67° | 0.03" | — |
| 2016 | 81° | 61° | 71° | — | — |
| 2015 | 86° | 74° | 80° | 1.02" | — |
| 2014 | 71° | 45° | 58° | — | — |
| 2013 | 70° | 50° | 60° | — | — |
| 2012 | 75° | 51° | 63° | 1.27" | — |
| 2011 | 68° | 47° | 57° | — | — |
| 2010 | 79° | 53° | 66° | — | — |
| 2009 | 71° | 57° | 64° | — | — |
| 2008 | 81° | 65° | 73° | — | — |
| 2007 | 89° | 53° | 71° | — | — |
| 2006 | 85° | 61° | 73° | — | — |
| 2005 | 81° | 50° | 65° | — | — |
| 2004 | 76° | 58° | 67° | — | — |
| 2003 | 83° | 59° | 71° | — | — |
| 2002 | 82° | 56° | 69° | — | — |
| 2001 | 68° | 57° | 63° | — | — |
| 2000 | 85° | 50° | 67° | — | — |
| 1999 | 76° | 50° | 63° | — | — |
| 1998 | 78° | 64° | 71° | — | — |
| 1997 | 84° | 64° | 74° | 3.73" | — |
| 1996 | 70° | 55° | 62° | — | — |
| 1995 | 70° | 44° | 57° | — | — |
| 1994 | 78° | 59° | 69° | — | — |
| 1993 | 70° | 52° | 61° | — | — |
| 1992 | 80° | 68° | 74° | 0.33" | — |
| 1991 | 83° | 56° | 69° | — | — |
| 1990 | 67° | 48° | 57° | — | — |
| 1989 | 78° | 54° | 66° | — | — |
| 1988warmest | 92° | 69° | 80° | 0.2" | — |
| 1987 | 77° | 64° | 71° | 0.2" | — |
| 1986 | 65° | 51° | 58° | 0.99" | — |
| 1985 | 76° | 59° | 67° | 0.79" | — |
| 1984 | 69° | 42° | 56° | — | — |
| 1983 | 78° | 51° | 65° | — | — |
| 1982 | 68° | 55° | 62° | 0.15" | — |
| 1981 | 63° | 45° | 54° | — | — |
| 1980 | 68° | 45° | 56° | 1.24" | — |
| 1979 | 81° | 48° | 64° | — | — |
| 1978 | 73° | 61° | 67° | 0.46" | — |
| 1977 | 78° | 61° | 69° | — | — |
| 1976 | 75° | 54° | 64° | — | — |
| 1975 | 67° | 57° | 62° | — | — |
| 1974 | 82° | 58° | 70° | — | — |
| 1973coldest | 55° | 48° | 52° | 3.28" | — |
| 1972 | 89° | 68° | 79° | — | — |
| 1971 | 69° | 51° | 60° | — | — |
55 years of data from DAVENPORT L&D 15