Weather on September 25 at Grand Canyon
Grand Canyon National Park
Based on 55 years of data from Flagstaff, AZ
Elevation Note: Grand Canyon sits at 7,000 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Flagstaff, AZ at a lower elevation.
Planning Your Visit
September 25th in Grand Canyon National Park (via Flagstaff, AZ) typically brings pleasant fall weather, with average highs around 72°F and lows near 39°F — a 33°F daily swing. Over 55 years of records, the warmest September 25th was in 1982 (64°F average), while the coldest was 1986 (40°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 13% of September 25th dates historically, with the wettest September 25th recording 2.54" 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 25th in Grand Canyon? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 79°F | 40°F | 0.56" | 0" |
| 2024 | 82°F | 39°F | 0" | 0" |
| 2023 | 77°F | 36°F | 0" | 0" |
| 2022 | 74°F | 38°F | 0" | 0" |
| 2021 | 69°F | 46°F | 0" | 0" |
| 2020 | 80°F | 45°F | 0" | 0" |
| 2019 | 71°F | 37°F | 0" | 0" |
| 2018 | 73°F | 44°F | 0.05" | 0" |
| 2017 | 64°F | 24°F | 0" | 0" |
| 2016 | 66°F | 45°F | 0" | 0" |
| 2015 | 78°F | 39°F | 0" | 0" |
| 2014 | 78°F | 46°F | 0" | 0" |
| 2013 | 68°F | 43°F | 0" | 0" |
| 2012 | 72°F | 42°F | 0" | 0" |
| 2011 | 75°F | 41°F | 0" | 0" |
| 2010 | 76°F | 44°F | 0" | 0" |
| 2009 | 78°F | 34°F | 0" | 0" |
| 2008 | 78°F | 43°F | 0" | 0" |
| 2007 | 65°F | 29°F | 0" | 0" |
| 2006 | 73°F | 30°F | 0" | 0" |
| 2005 | 75°F | 36°F | 0" | 0" |
| 2004 | 69°F | 33°F | 0" | 0" |
| 2003 | 78°F | 50°F | 0" | -- |
| 2002 | 76°F | 41°F | 0" | -- |
| 2001 | 79°F | 40°F | 0" | -- |
| 2000 | 75°F | 32°F | 0" | -- |
| 1999 | 73°F | 42°F | 0" | -- |
| 1998 | 65°F | 37°F | 0" | -- |
| 1997 | 65°F | 53°F | 0.89" | -- |
| 1996 | 67°F | 42°F | 0" | -- |
| 1995 | 70°F | 33°F | -- | -- |
| 1994 | 74°F | 44°F | 0" | 0" |
| 1993 | 78°F | 30°F | 0" | 0" |
| 1992 | 78°F | 45°F | 0" | 0" |
| 1991 | 83°F | 41°F | 0.13" | 0" |
| 1990 | 71°F | 41°F | 0" | 0" |
| 1989 | 79°F | 43°F | 0" | 0" |
| 1988 | 71°F | 35°F | 0" | 0" |
| 1987 | 69°F | 36°F | 0" | 0" |
| 1986 | 46°F | 34°F | 2.54" | 0" |
| 1985 | 74°F | 39°F | 0" | 0" |
| 1984 | 61°F | 40°F | 0.23" | 0" |
| 1983 | 70°F | 38°F | 0" | 0" |
| 1982 | 81°F | 47°F | 0" | 0" |
| 1981 | 69°F | 43°F | 0" | 0" |
| 1980 | 77°F | 34°F | 0" | 0" |
| 1979 | 77°F | 39°F | 0" | 0" |
| 1978 | 73°F | 43°F | 0" | 0" |
| 1977 | 78°F | 35°F | 0" | 0" |
| 1976 | 59°F | 44°F | 0.66" | 0" |
| 1975 | 71°F | 34°F | 0" | 0" |
| 1974 | 75°F | 38°F | 0" | 0" |
| 1973 | 67°F | 40°F | 0" | 0" |
| 1972 | 67°F | 36°F | 0" | 0" |
| 1971 | 65°F | 30°F | 0" | 0" |