Weather on September 3
Denver, CO
55 Years of Data
Avg High
85°F
Avg Low
54°F
Warmest
2019
79°F avg
Coldest
2006
51°F avg
About This Date
September 3rd in Denver, CO typically brings warm fall weather, with average highs around 85°F and lows near 54°F — a 31°F daily swing. Over 55 years of records, the warmest September 3rd was in 2019 (79°F average), while the coldest was 2006 (51°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 13% of September 3rd dates historically, with the wettest September 3rd recording 2.16" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°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
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 51° | 68° | — | — |
| 2024 | 91° | 57° | 74° | — | — |
| 2023 | 93° | 61° | 77° | — | — |
| 2022 | 93° | 61° | 77° | — | — |
| 2021 | 83° | 60° | 71° | — | — |
| 2020 | 91° | 50° | 71° | — | — |
| 2019warmest | 98° | 61° | 79° | — | — |
| 2018 | 80° | 58° | 69° | — | — |
| 2017 | 92° | 55° | 73° | — | — |
| 2016 | 85° | 59° | 72° | — | — |
| 2015 | 91° | 60° | 76° | — | — |
| 2014 | 88° | 49° | 68° | — | — |
| 2013 | 92° | 57° | 74° | — | — |
| 2012 | 91° | 59° | 75° | 0.13" | — |
| 2011 | 87° | 55° | 71° | 2.16" | — |
| 2010 | 69° | 45° | 57° | — | — |
| 2009 | 86° | 52° | 69° | — | — |
| 2008 | 65° | 48° | 56° | — | — |
| 2007 | 89° | 57° | 73° | 0.58" | — |
| 2006coldest | 59° | 43° | 51° | — | — |
| 2005 | 89° | 52° | 70° | — | — |
| 2004 | 88° | 50° | 69° | — | — |
| 2003 | 85° | — | — | 0.53" | — |
| 2002 | 86° | 53° | 70° | — | — |
| 2001 | 90° | 56° | 73° | — | — |
| 2000 | 82° | 52° | 67° | — | — |
| 1999 | 81° | 55° | 68° | 0.41" | — |
| 1998 | 91° | 60° | 76° | — | — |
| 1997 | 82° | 56° | 69° | — | — |
| 1996 | 91° | 58° | 74° | — | — |
| 1995 | 94° | 62° | 78° | 0.03" | — |
| 1994 | 86° | 61° | 73° | — | — |
| 1993 | 87° | 46° | 67° | — | — |
| 1992 | 85° | 53° | 69° | — | — |
| 1991 | 78° | 56° | 67° | — | — |
| 1990 | 93° | 58° | 75° | — | — |
| 1989 | 90° | 55° | 72° | — | — |
| 1988 | 79° | 48° | 63° | — | — |
| 1987 | 89° | 59° | 74° | — | — |
| 1986 | 82° | 50° | 66° | — | — |
| 1985 | 81° | 56° | 68° | — | — |
| 1984 | 82° | 51° | 67° | — | — |
| 1983 | 91° | 58° | 74° | — | — |
| 1982 | 88° | 54° | 71° | — | — |
| 1981 | 74° | 58° | 66° | — | — |
| 1980 | 91° | 54° | 72° | — | — |
| 1979 | 86° | 55° | 71° | — | — |
| 1978 | 90° | 58° | 74° | — | — |
| 1977 | 91° | 57° | 74° | — | — |
| 1976 | 83° | 54° | 68° | — | — |
| 1975 | 78° | 50° | 64° | — | — |
| 1974 | 72° | 41° | 56° | — | — |
| 1973 | 79° | 40° | 59° | — | — |
| 1972 | 77° | 48° | 63° | — | — |
| 1971 | 88° | 49° | 68° | 0.56" | — |
55 years of data from DENVER-STAPLETON