Weather on September 8
Arvada, CO
55 Years of Data
Avg High
78°F
Avg Low
50°F
Warmest
2022
82°F avg
Coldest
2008
41°F avg
About This Date
September 8th in Arvada, CO typically brings pleasant fall weather, with average highs around 78°F and lows near 50°F — a 28°F daily swing. Over 55 years of records, the warmest September 8th was in 2022 (82°F average), while the coldest was 2008 (41°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 18% of September 8th dates historically, with the wettest September 8th recording 2.01" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in Arvada, CO? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 55° | 69° | — | — |
| 2024 | 83° | 59° | 71° | — | — |
| 2023 | 87° | 56° | 71° | — | — |
| 2022warmest | 97° | 68° | 82° | — | — |
| 2021 | 83° | 53° | 68° | — | — |
| 2020 | 97° | 35° | 66° | 0.56" | — |
| 2019 | 86° | 61° | 73° | — | — |
| 2018 | 75° | 50° | 63° | — | — |
| 2017 | 82° | 47° | 64° | — | — |
| 2016 | 85° | 52° | 68° | — | — |
| 2015 | 81° | 51° | 66° | — | — |
| 2014 | 81° | 61° | 71° | — | — |
| 2013 | 93° | 63° | 78° | — | — |
| 2012 | 71° | 48° | 60° | — | — |
| 2011 | 60° | 41° | 51° | — | — |
| 2010 | 67° | 49° | 58° | — | — |
| 2009 | 73° | 49° | 61° | — | — |
| 2008coldest | 48° | 33° | 41° | — | — |
| 2007 | 73° | 42° | 58° | — | — |
| 2006 | 48° | 42° | 45° | — | — |
| 2005 | 75° | 52° | 63° | — | — |
| 2004 | 73° | 51° | 62° | — | — |
| 2003 | 74° | 44° | 59° | — | — |
| 2002 | 76° | 50° | 63° | — | — |
| 2001 | 70° | 36° | 53° | 2.01" | — |
| 2000 | 81° | 53° | 67° | — | — |
| 1999 | 89° | 48° | 69° | — | — |
| 1998 | 92° | 57° | 74° | — | — |
| 1997 | 86° | 55° | 71° | — | — |
| 1996 | 79° | 44° | 61° | — | — |
| 1995 | 55° | 43° | 49° | — | — |
| 1994 | 86° | 56° | 71° | — | — |
| 1993 | 74° | 40° | 57° | 0.97" | — |
| 1992 | 75° | 55° | 65° | — | — |
| 1991 | 86° | 52° | 69° | 0.64" | — |
| 1990 | 81° | 58° | 69° | — | — |
| 1989 | 84° | 52° | 68° | 0.08" | — |
| 1988 | 93° | 58° | 75° | — | — |
| 1987 | 69° | 44° | 57° | — | — |
| 1986 | 63° | 42° | 52° | 0.25" | — |
| 1985 | 82° | 45° | 63° | — | — |
| 1984 | 75° | 41° | 58° | — | — |
| 1983 | 83° | 51° | 67° | — | — |
| 1982 | 79° | 54° | 66° | 0.03" | — |
| 1981 | 67° | 50° | 58° | — | — |
| 1980 | 88° | 60° | 74° | — | — |
| 1979 | 89° | 61° | 75° | — | — |
| 1978 | 89° | 58° | 73° | — | — |
| 1977 | 94° | 42° | 68° | — | — |
| 1976 | 59° | 41° | 50° | 0.1" | — |
| 1975 | — | 50° | — | — | — |
| 1974 | 90° | 58° | 74° | — | — |
| 1973 | 77° | 52° | 64° | — | — |
| 1972 | 79° | 48° | 63° | 0.05" | — |
| 1971 | 73° | 50° | 62° | 1.47" | — |
55 years of data from WATERTON NORTH COLORADO