Weather on September 6
Denver, CO
55 Years of Data
Avg High
83°F
Avg Low
54°F
Warmest
1984
88°F avg
Coldest
2008
48°F avg
About This Date
September 6th in Denver, CO typically brings warm fall weather, with average highs around 83°F and lows near 54°F — a 29°F daily swing. Over 55 years of records, the warmest September 6th was in 1984 (88°F average), while the coldest was 2008 (48°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 16% of September 6th dates historically, with the wettest September 6th recording 5.16" of rain. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for September 6th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 42° | 54° | — | — |
| 2024 | 72° | 51° | 61° | 0.03" | — |
| 2023 | 76° | 50° | 63° | — | — |
| 2022 | 94° | 63° | 78° | — | — |
| 2021 | 84° | 58° | 71° | — | — |
| 2020 | 96° | 64° | 80° | — | — |
| 2019 | 93° | 61° | 77° | — | — |
| 2018 | 70° | 47° | 58° | 5.16" | — |
| 2017 | 67° | 47° | 57° | — | — |
| 2016 | 87° | 52° | 69° | — | — |
| 2015 | 84° | 57° | 71° | — | — |
| 2014 | 58° | 48° | 53° | — | — |
| 2013 | 90° | 62° | 76° | — | — |
| 2012 | 83° | 54° | 68° | — | — |
| 2011 | 86° | 51° | 69° | — | — |
| 2010 | 94° | 54° | 74° | — | — |
| 2009 | 88° | 50° | 69° | — | — |
| 2008coldest | 54° | 42° | 48° | 0.15" | — |
| 2007 | 87° | 54° | 70° | 0.25" | — |
| 2006 | 82° | 52° | 67° | — | — |
| 2005 | 88° | 57° | 72° | — | — |
| 2004 | 71° | 47° | 59° | — | — |
| 2003 | 85° | 55° | 70° | — | — |
| 2002 | 90° | 60° | 75° | — | — |
| 2001 | 84° | 55° | 70° | — | — |
| 2000 | 88° | 58° | 73° | 0.18" | — |
| 1999 | 81° | 49° | 65° | — | — |
| 1998 | 92° | 56° | 74° | — | — |
| 1997 | 82° | 55° | 69° | — | — |
| 1996 | 92° | 52° | 72° | 0.13" | — |
| 1995 | 91° | 59° | 75° | 0.03" | — |
| 1994 | 77° | 50° | 64° | — | — |
| 1993 | 82° | 51° | 67° | — | — |
| 1992 | 77° | 47° | 62° | — | — |
| 1991 | 80° | 52° | 66° | — | — |
| 1990 | 87° | 58° | 72° | 0.33" | — |
| 1989 | 86° | 60° | 73° | — | — |
| 1988 | 84° | 55° | 70° | — | — |
| 1987 | 78° | 48° | 63° | — | — |
| 1986 | 80° | 49° | 64° | — | — |
| 1985 | 83° | 55° | 69° | — | — |
| 1984warmest | 89° | 86° | 88° | — | — |
| 1983 | 85° | 52° | 68° | — | — |
| 1982 | 90° | 44° | 67° | 0.43" | — |
| 1981 | 85° | 55° | 70° | — | — |
| 1980 | 88° | 55° | 71° | — | — |
| 1979 | 86° | 56° | 71° | — | — |
| 1978 | 90° | 59° | 74° | — | — |
| 1977 | 87° | 61° | 74° | — | — |
| 1976 | 89° | 54° | 71° | — | — |
| 1975 | 72° | 51° | 61° | — | — |
| 1974 | 85° | 49° | 67° | — | — |
| 1973 | 78° | 49° | 63° | — | — |
| 1972 | 81° | 52° | 66° | — | — |
| 1971 | 86° | 54° | 70° | — | — |
55 years of data from LAKEWOOD