Weather on September 18 at Zion
Zion National Park
Based on 55 years of data from Springdale, UT
Elevation Note: Zion sits at 4,000 ft. Expect temperatures 14°F cooler than the data shown below, which comes from Springdale, UT at a lower elevation.
Planning Your Visit
September 18th in Zion National Park (via Springdale, UT) typically brings warm fall weather, with average highs around 88°F and lows near 58°F — a 30°F daily swing. Over 55 years of records, the warmest September 18th was in 2000 (83°F average), while the coldest was 2021 (55°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 18th dates historically, with the wettest September 18th recording 1.24" 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 Zion? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 93°F | 65°F | -- | -- |
| 2024 | 80°F | 58°F | -- | -- |
| 2023 | 89°F | 58°F | 0" | 0" |
| 2022 | 84°F | 61°F | 0" | 0" |
| 2021 | 64°F | 47°F | -- | -- |
| 2020 | 101°F | 66°F | 0" | 0" |
| 2019 | 87°F | 58°F | 0" | 0" |
| 2018 | 96°F | 68°F | 0" | 0" |
| 2017 | 86°F | 59°F | 0" | 0" |
| 2016 | 89°F | 61°F | 0" | 0" |
| 2015 | 82°F | 58°F | 0" | 0" |
| 2014 | 95°F | 67°F | 0" | 0" |
| 2013 | 91°F | 54°F | 0" | 0" |
| 2012 | 94°F | 60°F | 0" | 0" |
| 2011 | 88°F | 60°F | 0" | -- |
| 2010 | 100°F | 64°F | 0" | 0" |
| 2009 | 92°F | 66°F | 0" | 0" |
| 2008 | 92°F | 63°F | 0" | 0" |
| 2007 | 88°F | 58°F | 0" | 0" |
| 2006 | 84°F | 47°F | 0" | 0" |
| 2005 | 89°F | 57°F | 0" | 0" |
| 2004 | 96°F | 56°F | 0.1" | 0" |
| 2003 | 86°F | 52°F | 0" | 0" |
| 2002 | 88°F | 51°F | 0" | 0" |
| 2001 | 92°F | 61°F | 0" | 0" |
| 2000 | 99°F | 67°F | 0" | 0" |
| 1999 | 90°F | 64°F | 0.03" | 0" |
| 1998 | 91°F | 65°F | 0" | 0" |
| 1997 | 88°F | 65°F | 0" | 0" |
| 1996 | 74°F | 48°F | 0" | 0" |
| 1995 | 90°F | 59°F | 0" | 0" |
| 1994 | 90°F | 57°F | 0.05" | 0" |
| 1993 | 75°F | 47°F | 0.25" | 0" |
| 1992 | 90°F | 62°F | 0.46" | 0" |
| 1991 | 96°F | 63°F | 0" | 0" |
| 1990 | 88°F | 57°F | 0" | 0" |
| 1989 | 85°F | 48°F | 0.08" | 0" |
| 1988 | 90°F | 46°F | 0" | 0" |
| 1987 | 90°F | 58°F | 0" | 0" |
| 1986 | 83°F | 54°F | 0" | 0" |
| 1985 | 70°F | 48°F | 1.24" | 0" |
| 1984 | 94°F | 64°F | 0" | 0" |
| 1983 | 93°F | 61°F | 0" | 0" |
| 1982 | 84°F | 59°F | 0" | 0" |
| 1981 | 94°F | 65°F | 0" | 0" |
| 1980 | 95°F | 66°F | 0" | 0" |
| 1979 | 96°F | 65°F | 0" | 0" |
| 1978 | 77°F | 46°F | 0" | 0" |
| 1977 | 83°F | 54°F | 0" | 0" |
| 1976 | 85°F | 59°F | 0" | 0" |
| 1975 | 91°F | 62°F | 0" | 0" |
| 1974 | 86°F | 60°F | 0" | 0" |
| 1973 | 90°F | 60°F | 0" | 0" |
| 1972 | 89°F | 59°F | 0.53" | 0" |
| 1971 | 74°F | 49°F | 0" | 0" |