Weather on September 19
Denver, CO
55 Years of Data
Avg High
80°F
Avg Low
45°F
Warmest
1980
76°F avg
Coldest
1971
36°F avg
About This Date
September 19th in Denver, CO typically brings warm fall weather, with average highs around 80°F and lows near 45°F — a 35°F daily swing. Over 55 years of records, the warmest September 19th was in 1980 (76°F average), while the coldest was 1971 (36°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 19th dates historically, with the wettest September 19th recording 1.04" of rain. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for September 19th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 44° | 60° | — | — |
| 2024 | 88° | 44° | 66° | — | — |
| 2023 | 87° | 40° | 63° | — | — |
| 2022 | 88° | 50° | 69° | — | — |
| 2021 | 96° | 47° | 71° | — | — |
| 2020 | 83° | 50° | 66° | — | — |
| 2019 | 82° | 51° | 67° | — | — |
| 2018 | 91° | 56° | 73° | — | — |
| 2017 | 83° | 53° | 68° | — | — |
| 2016 | 91° | 48° | 70° | — | — |
| 2015 | 72° | 42° | 57° | — | — |
| 2014 | 89° | 56° | 72° | — | — |
| 2013 | 85° | 53° | 69° | — | — |
| 2012 | 78° | 48° | 63° | — | — |
| 2011 | 84° | 44° | 64° | — | — |
| 2010 | 67° | 41° | 54° | — | — |
| 2009 | 81° | 46° | 63° | — | — |
| 2008 | 85° | 48° | 66° | — | — |
| 2007 | 81° | 46° | 63° | — | — |
| 2006 | 69° | 39° | 54° | — | — |
| 2005 | 84° | 47° | 65° | — | — |
| 2004 | 89° | 62° | 76° | — | — |
| 2003 | 85° | 36° | 60° | — | — |
| 2002 | 83° | 40° | 61° | — | — |
| 2001 | 85° | 50° | 67° | — | — |
| 2000 | 82° | 45° | 63° | 0.08" | — |
| 1999 | 65° | 43° | 54° | 0.64" | — |
| 1998 | 92° | 52° | 72° | — | — |
| 1997 | 64° | 46° | 55° | 0.81" | — |
| 1996 | 62° | 36° | 49° | — | — |
| 1995 | 86° | 45° | 65° | 0.18" | — |
| 1994 | 75° | 52° | 63° | — | — |
| 1993 | 71° | 38° | 54° | — | — |
| 1992 | 77° | 48° | 63° | — | — |
| 1991 | 71° | 36° | 53° | — | — |
| 1990 | 90° | 52° | 71° | 0.56" | — |
| 1989 | 78° | 50° | 64° | — | — |
| 1988 | 72° | 31° | 51° | — | — |
| 1987 | 68° | 35° | 52° | — | — |
| 1986 | 69° | 42° | 56° | — | — |
| 1985 | 78° | 48° | 63° | 0.08" | — |
| 1984 | 87° | 50° | 69° | — | — |
| 1983 | 87° | 46° | 67° | — | — |
| 1982 | 69° | 47° | 58° | — | — |
| 1981 | 90° | 47° | 68° | — | — |
| 1980warmest | 95° | 57° | 76° | — | — |
| 1979 | 85° | 42° | 63° | — | — |
| 1978 | 70° | 35° | 52° | — | — |
| 1977 | 77° | 38° | 57° | — | — |
| 1976 | 73° | 52° | 62° | 1.04" | — |
| 1975 | 64° | 41° | 53° | — | — |
| 1974 | 77° | 41° | 59° | — | — |
| 1973 | 85° | 44° | 64° | — | — |
| 1972 | 81° | 53° | 67° | 0.08" | — |
| 1971coldest | 52° | 20° | 36° | — | — |
55 years of data from NORTHGLENN