Weather on September 1
Surprise, AZ
55 Years of Data
About This Date
September 1st in Surprise, 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. 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 Surprise, AZ? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 108° | 86° | 97° | — | — |
| 2024 | 108° | 81° | 94° | — | — |
| 2023coldest | 87° | 74° | 80° | 0.25" | — |
| 2022 | 105° | 85° | 95° | — | — |
| 2021 | 94° | 72° | 83° | 0.12" | — |
| 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° | 0.29" | — |
| 2008 | 96° | 76° | 86° | — | — |
| 2007 | 109° | 87° | 98° | — | — |
| 2006 | 107° | 78° | 93° | 0.09" | — |
| 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° | 0.01" | — |
| 1997 | 101° | 74° | 87° | 0.12" | — |
| 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° | 0.03" | — |
| 1984 | 101° | 82° | 91° | — | — |
| 1983 | 109° | 78° | 94° | 0.07" | — |
| 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° | — | — |
Surprise, AZ Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Surprise, AZ Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Surprise, AZ Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Surprise, AZ
Most pleasant months in Surprise, AZ: January, February, March, November, December.
What to expect on September 1st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 1st outlook →