Weather on September 3
Denver, CO
55 Years of Data
Avg High
82°F
Avg Low
54°F
Warmest
2019
81°F avg
Coldest
1974
43°F avg
About This Date
September 3rd in Denver, CO typically brings warm fall weather, with average highs around 82°F and lows near 54°F — a 28°F daily swing. Over 55 years of records, the warmest September 3rd was in 2019 (81°F average), while the coldest was 1974 (43°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 3rd dates historically, with the wettest September 3rd recording 0.51" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for September 3rd in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 50° | 69° | — | — |
| 2024 | 89° | 57° | 73° | — | — |
| 2023 | 89° | 61° | 75° | — | — |
| 2022 | 89° | 60° | 75° | — | — |
| 2021 | 81° | 58° | 69° | — | — |
| 2020 | 89° | 53° | 71° | — | — |
| 2019warmest | 95° | 66° | 81° | — | — |
| 2018 | 77° | 59° | 68° | — | — |
| 2017 | 86° | 58° | 72° | — | — |
| 2016 | 83° | 57° | 70° | — | — |
| 2015 | 88° | 56° | 72° | — | — |
| 2014 | 85° | 48° | 66° | — | — |
| 2013 | 87° | 59° | 73° | — | — |
| 2012 | 88° | 60° | 74° | — | — |
| 2011 | 81° | 52° | 66° | 0.25" | — |
| 2010 | 72° | 40° | 56° | — | — |
| 2009 | 88° | 54° | 71° | — | — |
| 2008 | 66° | 44° | 55° | — | — |
| 2007 | 92° | 53° | 72° | 0.3" | — |
| 2006 | 60° | 39° | 50° | — | — |
| 2005 | 90° | 42° | 66° | — | — |
| 2004 | 85° | 56° | 70° | — | — |
| 2003 | 80° | 57° | 69° | 0.3" | — |
| 2002 | 85° | 50° | 67° | — | — |
| 2001 | 88° | 56° | 72° | — | — |
| 2000 | 81° | 51° | 66° | — | — |
| 1999 | 80° | 52° | 66° | 0.28" | — |
| 1998 | 83° | 64° | 73° | — | — |
| 1997 | 83° | 57° | 70° | — | — |
| 1996 | 87° | 54° | 70° | — | — |
| 1995 | 95° | 61° | 78° | — | — |
| 1994 | 83° | 59° | 71° | — | — |
| 1993 | 61° | 40° | 50° | 0.46" | — |
| 1992 | 81° | 60° | 70° | — | — |
| 1991 | 87° | 53° | 70° | — | — |
| 1990 | 86° | 60° | 73° | — | — |
| 1989 | 88° | 53° | 70° | — | — |
| 1988 | 85° | 56° | 70° | — | — |
| 1987 | 85° | 56° | 70° | — | — |
| 1986 | 70° | 39° | 54° | 0.05" | — |
| 1985 | 83° | 54° | 68° | 0.23" | — |
| 1984 | 78° | 51° | 65° | — | — |
| 1983 | 93° | 61° | 77° | 0.51" | — |
| 1982 | 81° | 55° | 68° | — | — |
| 1981 | 85° | 55° | 70° | 0.05" | — |
| 1980 | 85° | 47° | 66° | — | — |
| 1979 | 88° | 65° | 76° | — | — |
| 1978 | 87° | 56° | 71° | — | — |
| 1977 | 84° | 56° | 70° | — | — |
| 1976 | 87° | 48° | 68° | — | — |
| 1975 | 82° | 51° | 67° | — | — |
| 1974coldest | 49° | 37° | 43° | 0.03" | — |
| 1973 | 67° | 39° | 53° | — | — |
| 1972 | 65° | 48° | 56° | 0.03" | — |
| 1971 | 87° | 62° | 75° | — | — |
55 years of data from LAKEWOOD