Weather on September 29
Denver, CO
55 Years of Data
Avg High
75°F
Avg Low
43°F
Warmest
2010
71°F avg
Coldest
1985
24°F avg
About This Date
September 29th 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 29th was in 2010 (71°F average), while the coldest was 1985 (24°F) — a 47°F range across recorded history. Precipitation has occurred on 20% of recorded September 29th dates, with snow falling 2% of the time. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for September 29th 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 | 83° | 48° | 65° | — | — |
| 2024 | 92° | 50° | 71° | — | — |
| 2023 | 90° | 46° | 68° | — | — |
| 2022 | 90° | 47° | 68° | — | — |
| 2021 | 91° | 49° | 70° | — | — |
| 2020 | 62° | 42° | 52° | — | — |
| 2019 | 76° | 44° | 60° | — | — |
| 2018 | 79° | 37° | 58° | — | — |
| 2017 | 62° | 44° | 53° | 0.15" | — |
| 2016 | 83° | 47° | 65° | — | — |
| 2015 | 81° | 54° | 67° | 0.1" | — |
| 2014 | 77° | 52° | 64° | 0.03" | — |
| 2013 | 70° | 38° | 54° | — | — |
| 2012 | 73° | 44° | 59° | — | — |
| 2011 | 67° | 42° | 54° | — | — |
| 2010warmest | 89° | 54° | 71° | — | — |
| 2009 | 71° | 41° | 56° | — | — |
| 2008 | 91° | 43° | 67° | — | — |
| 2007 | 81° | 47° | 64° | — | — |
| 2006 | 83° | 36° | 59° | — | — |
| 2005 | 55° | 38° | 46° | 0.13" | — |
| 2004 | 66° | 43° | 54° | — | — |
| 2003 | 75° | 39° | 57° | — | — |
| 2002 | 80° | 42° | 61° | — | — |
| 2001 | 85° | 54° | 69° | — | — |
| 2000 | 84° | 49° | 66° | — | — |
| 1999 | 68° | 26° | 47° | — | — |
| 1998 | 82° | 56° | 69° | 0.1" | — |
| 1997 | 82° | 42° | 62° | — | — |
| 1996 | 82° | 43° | 62° | — | — |
| 1995 | 74° | 44° | 59° | — | — |
| 1994 | 87° | 50° | 69° | — | — |
| 1993 | 74° | 39° | 56° | — | — |
| 1992 | 83° | 40° | 61° | — | — |
| 1991 | 82° | 48° | 65° | 0.05" | — |
| 1990 | 63° | 46° | 54° | 0.08" | — |
| 1989 | 82° | 47° | 64° | — | — |
| 1988 | 64° | 31° | 47° | — | — |
| 1987 | 69° | 34° | 51° | — | — |
| 1986 | 61° | 39° | 50° | 0.13" | — |
| 1985coldest | 31° | 18° | 24° | 0.1" | 1" |
| 1984 | 52° | 30° | 41° | 0.1" | — |
| 1983 | 70° | 51° | 60° | — | — |
| 1982 | 74° | 35° | 54° | — | — |
| 1981 | 84° | 51° | 68° | — | — |
| 1980 | 79° | 47° | 63° | — | — |
| 1979 | 85° | 42° | 63° | — | — |
| 1978 | 76° | 44° | 60° | — | — |
| 1977 | 86° | 45° | 65° | — | — |
| 1976 | 76° | 32° | 54° | — | — |
| 1975 | 73° | 38° | 55° | — | — |
| 1974 | 76° | 34° | 55° | — | — |
| 1973 | 59° | 44° | 52° | 0.41" | — |
| 1972 | 64° | 41° | 53° | — | — |
| 1971 | 67° | 39° | 53° | — | — |
55 years of data from NORTHGLENN