Weather on September 1
Mesa, AZ
55 Years of Data
Avg High
103°F
Avg Low
75°F
Warmest
2025
97°F avg
Coldest
2021
79°F avg
About This Date
September 1st in Mesa, AZ typically brings hot fall weather, with average highs around 103°F and lows near 75°F — a 28°F daily swing. Over 54 years of records, the warmest September 1st was in 2025 (97°F average), while the coldest was 2021 (79°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 11% of September 1st dates historically, with the wettest September 1st recording 2.01" 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 Mesa, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 110° | 84° | 97° | — | — |
| 2024 | 110° | 79° | 94° | — | — |
| 2023 | — | 69° | — | 0.51" | — |
| 2022 | 106° | 76° | 91° | — | — |
| 2021coldest | 91° | 67° | 79° | 0.41" | — |
| 2020 | 100° | 77° | 89° | — | — |
| 2019 | 106° | 79° | 92° | — | — |
| 2018 | 103° | 77° | 90° | — | — |
| 2017 | 108° | 73° | 90° | — | — |
| 2016 | 103° | 77° | 90° | — | — |
| 2015 | — | 80° | — | 2.01" | — |
| 2014 | 106° | 62° | 84° | — | — |
| 2013 | 102° | 76° | 89° | — | — |
| 2012 | — | 77° | — | — | — |
| 2011 | 108° | 76° | 92° | — | — |
| 2010 | 103° | 70° | 86° | — | — |
| 2009 | 104° | 73° | 89° | — | — |
| 2008 | 95° | 71° | 83° | — | — |
| 2007 | 109° | 83° | 96° | — | — |
| 2006 | 110° | 69° | 89° | — | — |
| 2005 | 101° | 79° | 90° | 0.05" | — |
| 2004 | 108° | 79° | 93° | — | — |
| 2003 | 105° | 84° | 95° | — | — |
| 2002 | 106° | 86° | 96° | — | — |
| 2001 | 104° | 74° | 89° | — | — |
| 2000 | 96° | 76° | 86° | — | — |
| 1999 | 97° | 73° | 85° | — | — |
| 1998 | 105° | 83° | 94° | — | — |
| 1996 | 102° | 82° | 92° | — | — |
| 1995 | 108° | 82° | 95° | — | — |
| 1994 | 103° | 80° | 91° | — | — |
| 1993 | 98° | 70° | 84° | — | — |
| 1992 | 96° | 64° | 80° | — | — |
| 1991 | 94° | 80° | 87° | — | — |
| 1990 | 97° | 79° | 88° | — | — |
| 1989 | 103° | 76° | 89° | — | — |
| 1988 | 102° | 79° | 90° | — | — |
| 1987 | 106° | 75° | 90° | — | — |
| 1986 | 99° | 72° | 85° | 0.1" | — |
| 1985 | 108° | 78° | 93° | — | — |
| 1984 | 108° | 72° | 90° | — | — |
| 1983 | 109° | 78° | 94° | 0.15" | — |
| 1982 | 108° | 80° | 94° | — | — |
| 1981 | 102° | 75° | 89° | — | — |
| 1980 | 100° | 66° | 83° | — | — |
| 1979 | 106° | 72° | 89° | — | — |
| 1978 | 104° | 76° | 90° | — | — |
| 1977 | 104° | 74° | 89° | — | — |
| 1976 | 105° | 75° | 90° | — | — |
| 1975 | 102° | 68° | 85° | — | — |
| 1974 | 109° | 70° | 89° | — | — |
| 1973 | 99° | 69° | 84° | — | — |
| 1972 | 105° | 77° | 91° | — | — |
| 1971 | 104° | 76° | 90° | — | — |
54 years of data from MESA