Weather on September 4
Arvada, CO
55 Years of Data
Avg High
82°F
Avg Low
53°F
Warmest
2013
80°F avg
Coldest
2011
50°F avg
About This Date
September 4th in Arvada, CO typically brings warm fall weather, with average highs around 82°F and lows near 53°F — a 29°F daily swing. Over 55 years of records, the warmest September 4th was in 2013 (80°F average), while the coldest was 2011 (50°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 13% of September 4th dates historically, with the wettest September 4th recording 1.02" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for September 4th in Arvada, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 58° | 71° | — | — |
| 2024 | 90° | 61° | 75° | — | — |
| 2023 | 87° | 56° | 71° | — | — |
| 2022 | 91° | 62° | 77° | — | — |
| 2021 | 81° | 52° | 66° | 1.02" | — |
| 2020 | 70° | 52° | 61° | — | — |
| 2019 | 80° | 56° | 68° | — | — |
| 2018 | 79° | 53° | 66° | — | — |
| 2017 | 94° | 61° | 77° | — | — |
| 2016 | 86° | 55° | 71° | — | — |
| 2015 | 85° | 53° | 69° | 0.33" | — |
| 2014 | 94° | 60° | 77° | — | — |
| 2013warmest | 91° | 68° | 80° | 0.15" | — |
| 2012 | 87° | 60° | 74° | — | — |
| 2011coldest | 65° | 36° | 50° | — | — |
| 2010 | 77° | 48° | 63° | — | — |
| 2009 | 74° | 48° | 61° | — | — |
| 2008 | 65° | 37° | 51° | — | — |
| 2007 | 77° | 51° | 64° | — | — |
| 2006 | 64° | 40° | 52° | — | — |
| 2005 | 74° | 50° | 62° | — | — |
| 2004 | 60° | 45° | 52° | — | — |
| 2003 | 72° | 43° | 57° | — | — |
| 2002 | 73° | 52° | 62° | — | — |
| 2001 | 91° | 59° | 75° | — | — |
| 2000 | 86° | 51° | 69° | — | — |
| 1999 | 80° | 47° | 63° | — | — |
| 1998 | 92° | 66° | 79° | — | — |
| 1997 | 84° | 55° | 70° | 0.41" | — |
| 1996 | 92° | 59° | 75° | — | — |
| 1995 | 94° | 56° | 75° | — | — |
| 1994 | 85° | 56° | 70° | — | — |
| 1993 | 86° | 50° | 68° | — | — |
| 1992 | 85° | 52° | 68° | — | — |
| 1991 | 77° | 55° | 66° | — | — |
| 1990 | 92° | 58° | 75° | — | — |
| 1989 | 87° | 43° | 65° | — | — |
| 1988 | 78° | 46° | 62° | — | — |
| 1987 | 87° | 52° | 69° | — | — |
| 1986 | 81° | 47° | 64° | — | — |
| 1985 | 83° | 56° | 69° | 0.1" | — |
| 1984 | 83° | 54° | 68° | — | — |
| 1983 | 95° | 59° | 77° | — | — |
| 1982 | 87° | 58° | 72° | — | — |
| 1981 | 73° | 48° | 61° | — | — |
| 1980 | 89° | 47° | 68° | — | — |
| 1979 | 86° | 57° | 72° | — | — |
| 1978 | 92° | 63° | 77° | — | — |
| 1977 | 89° | 58° | 73° | — | — |
| 1976 | 92° | 53° | 72° | — | — |
| 1975 | 83° | 55° | 69° | — | — |
| 1974 | 80° | 47° | 63° | — | — |
| 1973 | 78° | 50° | 64° | — | — |
| 1972 | 82° | 47° | 64° | 0.08" | — |
| 1971 | 67° | 43° | 55° | 0.33" | — |
55 years of data from WATERTON NORTH COLORADO