Weather on September 4
Denver, CO
55 Years of Data
Avg High
83°F
Avg Low
53°F
Warmest
2017
79°F avg
Coldest
1974
52°F avg
About This Date
September 4th in Denver, CO typically brings warm fall weather, with average highs around 83°F and lows near 53°F — a 30°F daily swing. Over 55 years of records, the warmest September 4th was in 2017 (79°F average), while the coldest was 1974 (52°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 18% of September 4th dates historically, with the wettest September 4th recording 0.58" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for September 4th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 50° | 69° | — | — |
| 2024 | 91° | 62° | 77° | — | — |
| 2023 | 85° | 56° | 70° | 0.03" | — |
| 2022 | 90° | 58° | 74° | 0.08" | — |
| 2021 | 77° | 55° | 66° | 0.03" | — |
| 2020 | 88° | 54° | 71° | — | — |
| 2019 | 80° | 59° | 70° | — | — |
| 2018 | 79° | 53° | 66° | 0.1" | — |
| 2017warmest | 93° | 65° | 79° | — | — |
| 2016 | 85° | 51° | 68° | — | — |
| 2015 | 83° | 54° | 68° | 0.2" | — |
| 2014 | 91° | 57° | 74° | — | — |
| 2013 | 90° | 65° | 77° | — | — |
| 2012 | 87° | 58° | 72° | — | — |
| 2011 | 67° | 45° | 56° | — | — |
| 2010 | 81° | 46° | 63° | — | — |
| 2009 | 87° | 48° | 68° | — | — |
| 2008 | 74° | 43° | 58° | — | — |
| 2007 | 90° | 58° | 74° | — | — |
| 2006 | 76° | 40° | 58° | — | — |
| 2005 | 92° | 45° | 68° | — | — |
| 2004 | 82° | 57° | 70° | — | — |
| 2003 | 70° | 49° | 59° | — | — |
| 2002 | 82° | 52° | 67° | — | — |
| 2001 | 89° | 54° | 71° | — | — |
| 2000 | 80° | 50° | 65° | — | — |
| 1999 | 75° | 45° | 60° | 0.15" | — |
| 1998 | 89° | 54° | 71° | — | — |
| 1997 | 81° | 57° | 69° | — | — |
| 1996 | 88° | 54° | 71° | — | — |
| 1995 | 96° | 60° | 78° | — | — |
| 1994 | 80° | 60° | 70° | — | — |
| 1993 | 82° | 53° | 68° | — | — |
| 1992 | 84° | 57° | 71° | — | — |
| 1991 | 85° | 55° | 70° | — | — |
| 1990 | 90° | 59° | 74° | — | — |
| 1989 | 89° | 51° | 70° | — | — |
| 1988 | 79° | 43° | 61° | — | — |
| 1987 | 85° | 53° | 69° | — | — |
| 1986 | 79° | 54° | 66° | — | — |
| 1985 | 78° | 56° | 67° | 0.18" | — |
| 1984 | 80° | 49° | 64° | — | — |
| 1983 | 89° | 57° | 73° | 0.2" | — |
| 1982 | 84° | 59° | 72° | — | — |
| 1981 | 71° | 48° | 60° | — | — |
| 1980 | 87° | 54° | 70° | — | — |
| 1979 | 87° | 56° | 71° | — | — |
| 1978 | 87° | 57° | 72° | — | — |
| 1977 | 88° | 60° | 74° | — | — |
| 1976 | 82° | 50° | 66° | — | — |
| 1975 | 80° | 50° | 65° | — | — |
| 1974coldest | 69° | 36° | 52° | — | — |
| 1973 | 75° | 51° | 63° | — | — |
| 1972 | 71° | 46° | 59° | 0.05" | — |
| 1971 | 70° | 42° | 56° | 0.58" | — |
55 years of data from LAKEWOOD