Weather on September 28
Denver, CO
55 Years of Data
Avg High
75°F
Avg Low
43°F
Warmest
2015
72°F avg
Coldest
1984
31°F avg
About This Date
September 28th in Denver, CO typically brings pleasant fall weather, with average highs around 75°F and lows near 43°F — a 32°F daily swing. Over 55 years of records, the warmest September 28th was in 2015 (72°F average), while the coldest was 1984 (31°F) — a 41°F range across recorded history. Precipitation has occurred on 20% of recorded September 28th dates, with snow falling 5% of the time (heaviest snowfall: 5"). The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for September 28th in Denver, CO? Great weather for outdoor activities.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 48° | 67° | — | — |
| 2024 | 89° | 50° | 70° | — | — |
| 2023 | 90° | 45° | 67° | — | — |
| 2022 | 82° | 46° | 64° | — | — |
| 2021 | 91° | 49° | 70° | — | — |
| 2020 | 56° | 33° | 44° | 0.05" | — |
| 2019 | 79° | 44° | 61° | — | — |
| 2018 | 79° | 42° | 60° | — | — |
| 2017 | 56° | 50° | 53° | 1.12" | — |
| 2016 | 85° | 48° | 66° | — | — |
| 2015warmest | 91° | 53° | 72° | — | — |
| 2014 | 87° | 53° | 70° | — | — |
| 2013 | 47° | 35° | 41° | — | — |
| 2012 | 68° | — | — | — | — |
| 2011 | 91° | 52° | 71° | — | — |
| 2010 | 85° | 48° | 66° | — | — |
| 2009 | 80° | 39° | 60° | — | — |
| 2008 | 79° | 48° | 63° | — | — |
| 2007 | 76° | 42° | 59° | — | — |
| 2006 | 76° | 36° | 56° | — | — |
| 2005 | 89° | 48° | 69° | 0.2" | — |
| 2004 | 73° | 44° | 59° | 0.03" | — |
| 2003 | 77° | 39° | 58° | — | — |
| 2002 | 72° | 48° | 60° | — | — |
| 2001 | 86° | 49° | 67° | — | — |
| 2000 | 81° | 41° | 61° | — | — |
| 1999 | 42° | 32° | 37° | 1.65" | 2" |
| 1998 | 88° | 45° | 66° | — | — |
| 1997 | 78° | 41° | 60° | — | — |
| 1996 | 76° | 43° | 59° | — | — |
| 1995 | 78° | 45° | 61° | — | — |
| 1994 | 88° | 49° | 68° | — | — |
| 1993 | 69° | 43° | 56° | — | — |
| 1992 | 74° | 37° | 55° | — | — |
| 1991 | 84° | 43° | 63° | — | — |
| 1990 | 61° | 50° | 55° | 0.05" | — |
| 1989 | 85° | 52° | 68° | — | — |
| 1988 | 60° | 42° | 51° | — | — |
| 1987 | 66° | 39° | 53° | — | — |
| 1986 | 67° | 36° | 51° | — | — |
| 1985 | 44° | 20° | 32° | 0.91" | 5" |
| 1984coldest | 34° | 28° | 31° | 0.66" | 1" |
| 1983 | 78° | 45° | 61° | — | — |
| 1982 | 75° | 40° | 57° | — | — |
| 1981 | 89° | 43° | 66° | — | — |
| 1980 | 86° | 44° | 65° | — | — |
| 1979 | 82° | 41° | 62° | — | — |
| 1978 | 87° | 48° | 68° | — | — |
| 1977 | 84° | 44° | 64° | — | — |
| 1976 | 64° | 32° | 48° | 0.03" | — |
| 1975 | 73° | 30° | 52° | — | — |
| 1974 | 71° | 29° | 50° | 0.43" | — |
| 1973 | 48° | 43° | 45° | 3.66" | — |
| 1972 | 76° | 44° | 60° | — | — |
| 1971 | 71° | 41° | 56° | — | — |
55 years of data from NORTHGLENN