Weather on September 1
Phoenix, AZ
55 Years of Data
Avg High
103°F
Avg Low
78°F
Warmest
1995
100°F avg
Coldest
2023
80°F avg
About This Date
September 1st in Phoenix, AZ typically brings hot fall weather, with average highs around 103°F and lows near 78°F — a 25°F daily swing. Over 55 years of records, the warmest September 1st was in 1995 (100°F average), while the coldest was 2023 (80°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 1st dates historically, with the wettest September 1st recording 0.74" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 1st in Phoenix, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 108° | 86° | 97° | — | — |
| 2024 | 108° | 81° | 94° | — | — |
| 2023coldest | 87° | 74° | 80° | 0.64" | — |
| 2022 | 105° | 85° | 95° | — | — |
| 2021 | 94° | 72° | 83° | 0.3" | — |
| 2020 | 103° | 79° | 91° | — | — |
| 2019 | 107° | 84° | 96° | — | — |
| 2018 | 102° | 82° | 92° | — | — |
| 2017 | 108° | 78° | 93° | — | — |
| 2016 | 106° | 85° | 95° | — | — |
| 2015 | 105° | 82° | 94° | — | — |
| 2014 | 106° | 76° | 91° | — | — |
| 2013 | 103° | 82° | 92° | — | — |
| 2012 | 104° | 83° | 93° | — | — |
| 2011 | 110° | 84° | 97° | — | — |
| 2010 | 103° | 75° | 89° | — | — |
| 2009 | 106° | 77° | 91° | 0.74" | — |
| 2008 | 96° | 76° | 86° | — | — |
| 2007 | 109° | 87° | 98° | — | — |
| 2006 | 107° | 78° | 93° | 0.23" | — |
| 2005 | 106° | 81° | 93° | — | — |
| 2004 | 108° | 78° | 93° | — | — |
| 2003 | 106° | 85° | 95° | — | — |
| 2002 | 109° | 84° | 97° | — | — |
| 2001 | 102° | 75° | 89° | — | — |
| 2000 | 95° | 75° | 85° | — | — |
| 1999 | 97° | 74° | 85° | — | — |
| 1998 | 109° | 82° | 96° | 0.03" | — |
| 1997 | 101° | 74° | 87° | 0.3" | — |
| 1996 | 103° | 82° | 92° | — | — |
| 1995warmest | 112° | 88° | 100° | — | — |
| 1994 | 103° | 81° | 92° | — | — |
| 1993 | 100° | 76° | 88° | — | — |
| 1992 | 98° | 67° | 82° | — | — |
| 1991 | 97° | 78° | 87° | — | — |
| 1990 | 98° | 81° | 89° | — | — |
| 1989 | 105° | 76° | 90° | — | — |
| 1988 | 100° | 81° | 90° | — | — |
| 1987 | 106° | 85° | 95° | — | — |
| 1986 | 100° | 76° | 88° | — | — |
| 1985 | 99° | 74° | 86° | 0.08" | — |
| 1984 | 101° | 82° | 91° | — | — |
| 1983 | 109° | 78° | 94° | 0.18" | — |
| 1982 | 108° | 80° | 94° | — | — |
| 1981 | 102° | 78° | 90° | — | — |
| 1980 | 102° | 63° | 82° | — | — |
| 1979 | 106° | 69° | 87° | — | — |
| 1978 | 106° | 73° | 89° | — | — |
| 1977 | 98° | 75° | 87° | — | — |
| 1976 | 105° | 77° | 91° | — | — |
| 1975 | 103° | 78° | 90° | — | — |
| 1974 | 101° | 77° | 89° | — | — |
| 1973 | 99° | 66° | 82° | — | — |
| 1972 | 105° | 74° | 89° | — | — |
| 1971 | 104° | 75° | 90° | — | — |
55 years of data from YOUNGTOWN