Weather on September 21 at Saguaro
Saguaro National Park
Based on 55 years of data from Tucson, AZ
Elevation Note: Saguaro sits at 2,700 ft. Expect temperatures 9°F cooler than the data shown below, which comes from Tucson, AZ at a lower elevation.
Planning Your Visit
September 21st in Saguaro National Park (via Tucson, AZ) typically brings hot fall weather, with average highs around 95°F and lows near 69°F — a 26°F daily swing. Over 55 years of records, the warmest September 21st was in 2010 (88°F average), while the coldest was 2004 (72°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 21st dates historically, with the wettest September 21st recording 2.64" 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 21st in Saguaro? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 93°F | 73°F | 0.13" | -- |
| 2024 | 86°F | 66°F | 0" | 0" |
| 2023 | 97°F | 67°F | 0" | 0" |
| 2022 | 91°F | 74°F | 0" | 0" |
| 2021 | 98°F | 65°F | 0" | 0" |
| 2020 | 99°F | 73°F | 0" | 0" |
| 2019 | 92°F | 71°F | 0" | 0" |
| 2018 | 94°F | 68°F | 0" | 0" |
| 2017 | 96°F | 72°F | 0" | 0" |
| 2016 | 97°F | 73°F | 0" | 0" |
| 2015 | 81°F | 69°F | 2.64" | 0" |
| 2014 | 95°F | 72°F | 0" | 0" |
| 2013 | 97°F | 74°F | 0" | 0" |
| 2012 | 102°F | 69°F | 0" | -- |
| 2011 | 99°F | 64°F | 0" | 0" |
| 2010 | 100°F | 76°F | 0.08" | 0" |
| 2009 | 98°F | 64°F | 0" | 0" |
| 2008 | 98°F | 69°F | 0" | 0" |
| 2007 | 94°F | 71°F | 0" | 0" |
| 2006 | 87°F | 67°F | 0" | 0" |
| 2005 | 98°F | 75°F | 0" | 0" |
| 2004 | 80°F | 64°F | 0" | 0" |
| 2003 | 100°F | 67°F | 0" | 0" |
| 2002 | 95°F | 66°F | 0" | 0" |
| 2001 | 100°F | 70°F | 0" | 0" |
| 2000 | 95°F | 77°F | 0" | 0" |
| 1999 | 92°F | 74°F | 0" | 0" |
| 1998 | 92°F | 74°F | 0" | 0" |
| 1997 | 98°F | 70°F | 0.3" | 0" |
| 1996 | 94°F | 65°F | 0" | 0" |
| 1995 | 98°F | 72°F | 0" | 0" |
| 1994 | 87°F | 76°F | 0" | 0" |
| 1993 | 102°F | 67°F | 0" | 0" |
| 1992 | 93°F | 74°F | 0" | 0" |
| 1991 | 90°F | 69°F | 0" | 0" |
| 1990 | 92°F | 69°F | 0" | 0" |
| 1989 | 98°F | 59°F | 0" | 0" |
| 1988 | 90°F | 73°F | 0" | 0" |
| 1987 | 92°F | 72°F | 0.1" | 0" |
| 1986 | 91°F | 71°F | 0" | 0" |
| 1985 | 88°F | 60°F | 0" | 0" |
| 1984 | 96°F | 73°F | 0.33" | 0" |
| 1983 | 98°F | 72°F | 0" | 0" |
| 1982 | 96°F | 71°F | 0" | 0" |
| 1981 | 96°F | 72°F | 0" | 0" |
| 1980 | 99°F | 70°F | 0" | 0" |
| 1979 | 101°F | 68°F | 0" | 0" |
| 1978 | 97°F | 60°F | 0.05" | 0" |
| 1977 | 96°F | 65°F | 0" | 0" |
| 1976 | 95°F | 72°F | 0" | 0" |
| 1975 | 97°F | 69°F | 0" | 0" |
| 1974 | 87°F | 63°F | 0.3" | 0" |
| 1973 | 100°F | 71°F | 0" | 0" |
| 1972 | 94°F | 58°F | 0" | 0" |
| 1971 | 89°F | 57°F | 0" | 0" |