Weather on September 1 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 1st in Grand Canyon National Park (via Flagstaff, AZ) typically brings pleasant fall weather, with average highs around 78°F and lows near 48°F — a 30°F daily swing. Over 55 years of records, the warmest September 1st was in 1995 (71°F average), while the coldest was 2000 (54°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 1st dates historically, with the wettest September 1st recording 3.35" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Grand Canyon? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 46°F | 0" | 0" |
| 2024 | 81°F | 49°F | 0" | 0" |
| 2023 | 71°F | 56°F | 0.08" | 0" |
| 2022 | 87°F | 51°F | 0" | 0" |
| 2021 | 70°F | 55°F | 0.94" | 0" |
| 2020 | 80°F | 52°F | 0" | 0" |
| 2019 | 89°F | 53°F | 0" | 0" |
| 2018 | 75°F | 49°F | 0.03" | 0" |
| 2017 | 82°F | 46°F | 0" | 0" |
| 2016 | 76°F | 50°F | 0.15" | 0" |
| 2015 | 76°F | 49°F | 0" | 0" |
| 2014 | 80°F | 47°F | 0" | 0" |
| 2013 | 76°F | 52°F | 0" | 0" |
| 2012 | 73°F | 52°F | 0.05" | 0" |
| 2011 | 84°F | 45°F | 0" | 0" |
| 2010 | 79°F | 39°F | 0" | 0" |
| 2009 | 80°F | 52°F | 0.03" | 0" |
| 2008 | 70°F | 55°F | 0" | 0" |
| 2007 | 80°F | 51°F | 0" | 0" |
| 2006 | 79°F | 46°F | 0" | 0" |
| 2005 | 77°F | 48°F | 0.1" | 0" |
| 2004 | 80°F | 45°F | 0" | 0" |
| 2003 | 79°F | 53°F | 0.74" | -- |
| 2002 | 83°F | 49°F | 0" | -- |
| 2001 | 78°F | 44°F | 0" | -- |
| 2000 | 65°F | 43°F | 0" | -- |
| 1999 | 69°F | 49°F | 0.03" | -- |
| 1998 | 69°F | 51°F | 3.35" | -- |
| 1997 | 67°F | 48°F | 0.33" | -- |
| 1996 | 81°F | 51°F | 0" | -- |
| 1995 | 86°F | 56°F | 0.41" | 0" |
| 1994 | 75°F | 49°F | 0" | 0" |
| 1993 | 77°F | 48°F | 3.1" | 0" |
| 1992 | 73°F | 39°F | 0" | 0" |
| 1991 | 71°F | 51°F | 0" | 0" |
| 1990 | 67°F | 48°F | 1.17" | 0" |
| 1989 | 82°F | 44°F | 0" | 0" |
| 1988 | 77°F | 47°F | 0" | 0" |
| 1987 | 82°F | 48°F | 0" | 0" |
| 1986 | 72°F | 44°F | 0.36" | 0" |
| 1985 | 77°F | 46°F | 0" | 0" |
| 1984 | 74°F | 52°F | 1.8" | 0" |
| 1983 | 85°F | 49°F | 0" | 0" |
| 1982 | 84°F | 47°F | 0" | 0" |
| 1981 | 76°F | 46°F | 0.28" | 0" |
| 1980 | 78°F | 41°F | 0" | 0" |
| 1979 | 78°F | 35°F | 0" | 0" |
| 1978 | 78°F | 45°F | 0" | 0" |
| 1977 | 84°F | 44°F | 0" | 0" |
| 1976 | 82°F | 44°F | 0" | 0" |
| 1975 | 82°F | 45°F | 0.18" | 0" |
| 1974 | 84°F | 48°F | 0" | 0" |
| 1973 | 75°F | 43°F | 0" | 0" |
| 1972 | 78°F | 48°F | 0" | 0" |
| 1971 | 79°F | 48°F | 0.66" | 0" |