Weather on September 11
Davenport, IA
55 Years of Data
Avg High
80°F
Avg Low
59°F
Warmest
2000
82°F avg
Coldest
2014
52°F avg
About This Date
September 11th in Davenport, IA typically brings warm fall weather, with average highs around 80°F and lows near 59°F. Over 55 years of records, the warmest September 11th was in 2000 (82°F average), while the coldest was 2014 (52°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 11th dates historically, with the wettest September 11th recording 3.66" of rain. The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
Planning for September 11th in Davenport, IA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | — | 57° | — | — | — |
| 2024 | 85° | 60° | 72° | — | — |
| 2023 | 68° | 61° | 64° | 1.7" | — |
| 2022 | 69° | 57° | 63° | 3.66" | — |
| 2021 | 87° | 64° | 76° | — | — |
| 2020 | 65° | — | — | 1.47" | — |
| 2019 | 89° | 73° | 81° | — | — |
| 2018 | 82° | 54° | 68° | — | — |
| 2017 | 75° | 43° | 59° | — | — |
| 2016 | 78° | 57° | 68° | — | — |
| 2015 | 70° | 57° | 63° | 0.38" | — |
| 2014coldest | 56° | 48° | 52° | — | — |
| 2013 | 82° | 74° | 78° | — | — |
| 2012 | 85° | 60° | 72° | — | — |
| 2011 | 81° | 61° | 71° | — | — |
| 2010 | 76° | 63° | 69° | 0.38" | — |
| 2009 | 76° | 62° | 69° | — | — |
| 2008 | 76° | 64° | 70° | — | — |
| 2007 | 72° | 51° | 61° | 0.33" | — |
| 2006 | 73° | 59° | 66° | 0.23" | — |
| 2005 | 92° | 72° | 82° | — | — |
| 2004 | 88° | 60° | 74° | — | — |
| 2003 | 87° | 65° | 76° | — | — |
| 2002 | 77° | 56° | 66° | — | — |
| 2001 | 84° | 55° | 70° | — | — |
| 2000warmest | 96° | 68° | 82° | 0.84" | — |
| 1999 | 85° | 52° | 68° | — | — |
| 1998 | 80° | 58° | 69° | — | — |
| 1997 | 75° | 54° | 64° | — | — |
| 1996 | 76° | 58° | 67° | — | — |
| 1995 | 77° | 41° | 59° | — | — |
| 1994 | 88° | 66° | 77° | — | — |
| 1993 | 71° | 51° | 61° | — | — |
| 1992 | 70° | 49° | 59° | — | — |
| 1991 | 81° | 65° | 73° | — | — |
| 1990 | 84° | 68° | 76° | — | — |
| 1989 | 75° | 56° | 65° | — | — |
| 1988 | 88° | 62° | 75° | — | — |
| 1987 | 82° | 56° | 69° | — | — |
| 1986 | 74° | 59° | 66° | 0.89" | — |
| 1985 | 71° | 54° | 62° | — | — |
| 1984 | 79° | 57° | 68° | — | — |
| 1983 | 75° | 57° | 66° | 0.46" | — |
| 1982 | 88° | 68° | 78° | — | — |
| 1981 | 87° | 64° | 76° | — | — |
| 1980 | 80° | 55° | 68° | — | — |
| 1979 | 90° | 60° | 75° | — | — |
| 1978 | 93° | 70° | 81° | — | — |
| 1977 | 79° | 53° | 66° | — | — |
| 1976 | 84° | 54° | 69° | — | — |
| 1975 | 74° | 55° | 64° | — | — |
| 1974 | 84° | 67° | 75° | — | — |
| 1973 | 75° | 59° | 67° | — | — |
| 1972 | 82° | 66° | 74° | 1.14" | — |
| 1971 | 80° | 61° | 70° | — | — |
55 years of data from DAVENPORT L&D 15