Weather on September 4
Phoenix, AZ
55 Years of Data
Avg High
104°F
Avg Low
77°F
Warmest
2024
98°F avg
Coldest
1992
82°F avg
About This Date
September 4th in Phoenix, AZ typically brings hot fall weather, with average highs around 104°F and lows near 77°F — a 27°F daily swing. Over 55 years of records, the warmest September 4th was in 2024 (98°F average), while the coldest was 1992 (82°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 4th dates historically, with the wettest September 4th recording 5.03" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for September 4th in Phoenix, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 103° | 71° | 87° | 1.19" | — |
| 2024warmest | 112° | 84° | 98° | — | — |
| 2023 | 99° | 78° | 88° | — | — |
| 2022 | 106° | 85° | 95° | — | — |
| 2021 | 104° | 77° | 91° | — | — |
| 2020 | 114° | 79° | 96° | — | — |
| 2019 | 104° | 76° | 90° | — | — |
| 2018 | 100° | 76° | 88° | — | — |
| 2017 | 104° | 76° | 90° | — | — |
| 2016 | — | 73° | — | — | — |
| 2015 | 98° | 74° | 86° | — | — |
| 2014 | 106° | 85° | 95° | — | — |
| 2013 | 108° | 85° | 96° | — | — |
| 2012 | 103° | 82° | 92° | — | — |
| 2011 | 109° | 77° | 93° | — | — |
| 2010 | 110° | 83° | 96° | — | — |
| 2009 | 105° | 78° | 92° | — | — |
| 2008 | 104° | 76° | 90° | — | — |
| 2007 | 105° | 80° | 93° | — | — |
| 2006 | 97° | 71° | 84° | 0.84" | — |
| 2005 | 102° | 78° | 90° | 0.3" | — |
| 2004 | 99° | 77° | 88° | — | — |
| 2003 | 108° | 81° | 94° | — | — |
| 2002 | 109° | 80° | 95° | — | — |
| 2001 | 106° | 80° | 93° | — | — |
| 2000 | 105° | 71° | 88° | — | — |
| 1999 | 102° | 68° | 85° | — | — |
| 1998 | 108° | 72° | 90° | 0.23" | — |
| 1997 | 108° | 82° | 95° | — | — |
| 1996 | 90° | 74° | 82° | — | — |
| 1995 | 111° | 81° | 96° | — | — |
| 1994 | 100° | 81° | 90° | — | — |
| 1993 | 107° | 77° | 92° | — | — |
| 1992coldest | 98° | 66° | 82° | — | — |
| 1991 | 105° | 78° | 92° | — | — |
| 1990 | 97° | 69° | 83° | 5.03" | — |
| 1989 | 101° | 77° | 89° | — | — |
| 1988 | 102° | 84° | 93° | — | — |
| 1987 | 95° | 75° | 85° | — | — |
| 1986 | 105° | 75° | 90° | — | — |
| 1985 | 99° | 73° | 86° | — | — |
| 1984 | 103° | 79° | 91° | — | — |
| 1983 | 107° | 78° | 93° | — | — |
| 1982 | 106° | 79° | 92° | — | — |
| 1981 | 99° | 79° | 89° | — | — |
| 1980 | 98° | 78° | 88° | — | — |
| 1979 | 108° | 73° | 90° | — | — |
| 1978 | 101° | 78° | 89° | — | — |
| 1977 | 110° | 79° | 94° | — | — |
| 1976 | 101° | 73° | 87° | — | — |
| 1975 | 103° | 78° | 90° | — | — |
| 1974 | 100° | 74° | 87° | — | — |
| 1973 | 106° | 63° | 84° | — | — |
| 1972 | 102° | 72° | 87° | — | — |
| 1971 | 100° | 67° | 83° | — | — |
55 years of data from YOUNGTOWN