Weather on September 5
Rockford, IL
55 Years of Data
Avg High
79°F
Avg Low
56°F
Warmest
1990
81°F avg
Coldest
1988
54°F avg
About This Date
September 5th in Rockford, IL typically brings pleasant fall weather, with average highs around 79°F and lows near 56°F. Over 55 years of records, the warmest September 5th was in 1990 (81°F average), while the coldest was 1988 (54°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 5th dates historically, with the wettest September 5th recording 1.83" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 5th in Rockford, IL? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 44° | 55° | — | — |
| 2024 | 84° | 53° | 69° | — | — |
| 2023 | 88° | 71° | 79° | — | — |
| 2022 | 78° | 58° | 68° | — | — |
| 2021 | 84° | 52° | 68° | — | — |
| 2020 | 83° | 60° | 71° | — | — |
| 2019 | 73° | 50° | 62° | — | — |
| 2018 | 87° | 68° | 78° | 0.18" | — |
| 2017 | 68° | 50° | 59° | — | — |
| 2016 | 88° | 64° | 76° | — | — |
| 2015 | 82° | 69° | 76° | — | — |
| 2014 | 83° | 60° | 71° | 0.53" | — |
| 2013 | 78° | 60° | 69° | — | — |
| 2012 | 90° | 63° | 76° | 0.48" | — |
| 2011 | 66° | 50° | 58° | — | — |
| 2010 | 76° | 46° | 61° | 0.03" | — |
| 2009 | 77° | 51° | 64° | — | — |
| 2008 | 73° | 58° | 65° | — | — |
| 2007 | 90° | 65° | 77° | — | — |
| 2006 | 77° | 52° | 64° | — | — |
| 2005 | 87° | 61° | 74° | — | — |
| 2004 | 84° | 66° | 75° | — | — |
| 2003 | 80° | 44° | 62° | — | — |
| 2002 | 81° | 56° | 68° | — | — |
| 2001 | 81° | 53° | 67° | — | — |
| 2000 | 70° | 50° | 60° | — | — |
| 1999 | 87° | 62° | 75° | — | — |
| 1998 | 87° | 54° | 70° | — | — |
| 1997 | 73° | 45° | 59° | — | — |
| 1996 | 86° | 61° | 73° | — | — |
| 1995 | 86° | 59° | 73° | — | — |
| 1994 | 66° | 57° | 62° | — | — |
| 1993 | 74° | 56° | 65° | 0.08" | — |
| 1992 | 82° | 57° | 70° | — | — |
| 1991 | 81° | 50° | 65° | — | — |
| 1990warmest | 91° | 71° | 81° | — | — |
| 1989 | 80° | 59° | 70° | 0.25" | — |
| 1988coldest | 65° | 44° | 54° | — | — |
| 1987 | 87° | 58° | 72° | — | — |
| 1986 | 71° | 47° | 59° | — | — |
| 1985 | 89° | 72° | 80° | — | — |
| 1984 | 71° | 48° | 60° | — | — |
| 1983 | 82° | 70° | 76° | 1.83" | — |
| 1982 | 82° | 55° | 69° | — | — |
| 1981 | 71° | 58° | 64° | — | — |
| 1980 | 81° | 51° | 66° | — | — |
| 1979 | 83° | 57° | 70° | — | — |
| 1978 | 87° | 55° | 71° | — | — |
| 1977 | 77° | 58° | 67° | — | — |
| 1976 | 76° | 51° | 63° | — | — |
| 1975 | 66° | 52° | 59° | 1.27" | — |
| 1974 | 73° | 44° | 59° | — | — |
| 1973 | 79° | 56° | 67° | — | — |
| 1972 | 76° | 52° | 64° | — | — |
| 1971 | 89° | 69° | 79° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP