Weather on September 18 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 18th in Saguaro National Park (via Tucson, AZ) typically brings hot fall weather, with average highs around 95°F and lows near 70°F — a 25°F daily swing. Over 55 years of records, the warmest September 18th was in 1994 (91°F average), while the coldest was 1985 (72°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 16% of September 18th dates historically, with the wettest September 18th recording 2.26" 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 18th in Saguaro? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 97°F | 72°F | 1.27" | -- |
| 2024 | 93°F | 67°F | 0" | 0" |
| 2023 | 99°F | 70°F | 0" | 0" |
| 2022 | 100°F | 69°F | 0" | 0" |
| 2021 | 97°F | 72°F | 0.05" | 0" |
| 2020 | 99°F | 79°F | 0" | 0" |
| 2019 | 98°F | 70°F | 0" | 0" |
| 2018 | 100°F | 76°F | 0" | 0" |
| 2017 | 98°F | 67°F | 0" | 0" |
| 2016 | 101°F | 65°F | 0" | 0" |
| 2015 | 98°F | 72°F | 0" | 0" |
| 2014 | 83°F | 70°F | 0.08" | 0" |
| 2013 | 100°F | 76°F | 0" | 0" |
| 2012 | 98°F | 64°F | 0" | -- |
| 2011 | 93°F | 64°F | 0" | 0" |
| 2010 | 105°F | 66°F | 0" | 0" |
| 2009 | 98°F | 73°F | 0" | 0" |
| 2008 | 96°F | 64°F | 0" | 0" |
| 2007 | 93°F | 68°F | 0" | 0" |
| 2006 | 88°F | 63°F | 0" | 0" |
| 2005 | 100°F | 68°F | 0" | 0" |
| 2004 | 91°F | 68°F | 2.26" | 0" |
| 2003 | 97°F | 72°F | 0" | 0" |
| 2002 | 92°F | 76°F | 0" | 0" |
| 2001 | 97°F | 71°F | 0" | 0" |
| 2000 | 96°F | 75°F | 0" | 0" |
| 1999 | 94°F | 73°F | 0" | 0" |
| 1998 | 99°F | 72°F | 0" | 0" |
| 1997 | 105°F | 73°F | 0.41" | 0" |
| 1996 | 87°F | 66°F | 0" | 0" |
| 1995 | 95°F | 74°F | 0.71" | 0" |
| 1994 | 100°F | 82°F | 0" | 0" |
| 1993 | 86°F | 66°F | 0" | 0" |
| 1992 | 99°F | 77°F | 0" | 0" |
| 1991 | 82°F | 72°F | 0" | 0" |
| 1990 | 91°F | 71°F | 0" | 0" |
| 1989 | 98°F | 73°F | 0" | 0" |
| 1988 | 98°F | 64°F | 0" | 0" |
| 1987 | 90°F | 67°F | 0" | 0" |
| 1986 | 98°F | 66°F | 0" | 0" |
| 1985 | 78°F | 66°F | 1.32" | 0" |
| 1984 | 98°F | 80°F | 0" | 0" |
| 1983 | 94°F | 73°F | 0" | 0" |
| 1982 | 92°F | 65°F | 0" | 0" |
| 1981 | 97°F | 76°F | 0" | 0" |
| 1980 | 104°F | 74°F | 0" | 0" |
| 1979 | 89°F | 70°F | 0" | 0" |
| 1978 | 92°F | 67°F | 0" | 0" |
| 1977 | 96°F | 68°F | 0" | 0" |
| 1976 | 95°F | 66°F | 0" | 0" |
| 1975 | 98°F | 74°F | 0" | 0" |
| 1974 | 90°F | 68°F | 0.05" | 0" |
| 1973 | 103°F | 70°F | 0" | 0" |
| 1972 | 95°F | 68°F | 0.71" | 0" |
| 1971 | 90°F | 65°F | 0" | 0" |