Weather on September 1
Aurora, CO
55 Years of Data
Avg High
84°F
Avg Low
55°F
Warmest
2011
80°F avg
Coldest
1972
52°F avg
About This Date
September 1st in Aurora, CO typically brings warm fall weather, with average highs around 84°F and lows near 55°F — a 29°F daily swing. Over 55 years of records, the warmest September 1st was in 2011 (80°F average), while the coldest was 1972 (52°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 1st dates historically, with the wettest September 1st recording 1.02" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Aurora, 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 | 79° | 49° | 64° | — | — |
| 2024 | 88° | 52° | 70° | — | — |
| 2023 | 96° | 62° | 79° | — | — |
| 2022 | 92° | 58° | 75° | — | — |
| 2021 | 85° | 57° | 71° | 0.08" | — |
| 2020 | 77° | 47° | 62° | 0.36" | — |
| 2019 | 91° | 60° | 76° | — | — |
| 2018 | 88° | 56° | 72° | — | — |
| 2017 | 88° | 58° | 73° | — | — |
| 2016 | 81° | 53° | 67° | — | — |
| 2015 | 87° | 57° | 72° | 0.03" | — |
| 2014 | 81° | 49° | 65° | — | — |
| 2013 | 91° | 59° | 75° | — | — |
| 2012 | 93° | 58° | 75° | — | — |
| 2011warmest | 96° | 64° | 80° | — | — |
| 2010 | 82° | 51° | 67° | — | — |
| 2009 | 87° | 52° | 69° | — | — |
| 2008 | 90° | 58° | 74° | — | — |
| 2007 | 92° | 56° | 74° | 0.97" | — |
| 2006 | 85° | 55° | 70° | — | — |
| 2005 | 74° | 46° | 60° | — | — |
| 2004 | 83° | 52° | 67° | — | — |
| 2003 | 53° | — | — | — | — |
| 2002 | 91° | 59° | 75° | — | — |
| 2001 | 82° | 55° | 69° | — | — |
| 2000 | 87° | 54° | 70° | 0.97" | — |
| 1999 | 91° | 59° | 75° | 0.99" | — |
| 1998 | 76° | 57° | 66° | 0.23" | — |
| 1997 | 82° | 57° | 70° | 0.2" | — |
| 1996 | 92° | 55° | 73° | — | — |
| 1995 | 97° | 57° | 77° | — | — |
| 1994 | 76° | 52° | 64° | 0.03" | — |
| 1993 | 85° | 54° | 69° | — | — |
| 1992 | 76° | 50° | 63° | — | — |
| 1991 | 87° | 56° | 71° | — | — |
| 1990 | 90° | 60° | 75° | — | — |
| 1989 | 83° | 60° | 71° | — | — |
| 1988 | 80° | 61° | 70° | — | — |
| 1987 | 84° | 55° | 70° | 0.03" | — |
| 1986 | 73° | 52° | 62° | — | — |
| 1985 | 84° | 61° | 72° | 1.02" | — |
| 1984 | 80° | 56° | 68° | 0.1" | — |
| 1983 | 92° | 58° | 75° | — | — |
| 1982 | 89° | 56° | 72° | — | — |
| 1981 | 87° | 53° | 70° | — | — |
| 1980 | 80° | 47° | 63° | — | — |
| 1979 | 82° | 53° | 68° | — | — |
| 1978 | 91° | 54° | 72° | — | — |
| 1977 | 90° | 59° | 74° | — | — |
| 1976 | 78° | 46° | 62° | — | — |
| 1975 | 85° | 53° | 69° | — | — |
| 1974 | 66° | 45° | 55° | 0.05" | — |
| 1973 | 86° | 53° | 70° | — | — |
| 1972coldest | 57° | 47° | 52° | 0.99" | — |
| 1971 | 89° | 56° | 72° | — | — |
55 years of data from DENVER-STAPLETON