Weather on September 24 at Gateway Arch
Gateway Arch National Park
Based on 53 years of data from St. Louis, MO
Planning Your Visit
September 24th in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 76°F and lows near 54°F. Over 53 years of records, the warmest September 24th was in 1986 (80°F average), while the coldest was 1974 (50°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 26% of September 24th dates historically, with the wettest September 24th recording 3.33" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for September 24th in Gateway Arch? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 78°F | 67°F | 0.15" | 0" |
| 2024 | 73°F | 59°F | 0.18" | 0" |
| 2023 | 86°F | 61°F | 0" | 0" |
| 2022 | 87°F | 52°F | 0" | 0" |
| 2021 | 81°F | 44°F | 0" | 0" |
| 2020 | 77°F | 50°F | 0" | 0" |
| 2019 | 79°F | 53°F | 0" | 0" |
| 2018 | 80°F | 65°F | 0.05" | 0" |
| 2017 | 95°F | 65°F | 0" | 0" |
| 2016 | 92°F | 65°F | 0" | 0" |
| 2015 | 85°F | 62°F | 0" | 0" |
| 2014 | 75°F | 56°F | 0" | 0" |
| 2013 | 77°F | 58°F | 0" | 0" |
| 2012 | 67°F | 45°F | 0" | 0" |
| 2011 | 64°F | 46°F | 0" | -- |
| 2010 | 91°F | 69°F | 0.3" | 0" |
| 2009 | 77°F | 68°F | 0.05" | 0" |
| 2008 | 85°F | 61°F | 0" | 0" |
| 2007 | 82°F | 68°F | 0" | 0" |
| 2006 | 75°F | 53°F | 0.1" | 0" |
| 2005 | 82°F | 64°F | 0" | 0" |
| 2004 | 85°F | 60°F | 0" | 0" |
| 2003 | 78°F | 64°F | 0" | 0" |
| 2002 | 73°F | 49°F | 0" | 0" |
| 2001 | 79°F | 50°F | 0" | 0" |
| 2000 | 80°F | 58°F | 1.04" | 0" |
| 1999 | 82°F | 51°F | 0" | 0" |
| 1998 | 73°F | 55°F | 0" | 0" |
| 1997 | 60°F | 57°F | 1.14" | 0" |
| 1996 | 67°F | 61°F | 3.33" | 0" |
| 1995 | 65°F | 35°F | 0" | 0" |
| 1994 | 65°F | 53°F | 0.25" | 0" |
| 1993 | 63°F | 55°F | 0.64" | 0" |
| 1992 | 70°F | 42°F | 0" | 0" |
| 1991 | 68°F | 45°F | 0.33" | 0" |
| 1990 | 70°F | 51°F | 0" | 0" |
| 1989 | 66°F | 33°F | 0" | 0" |
| 1988 | 72°F | 44°F | 0" | 0" |
| 1987 | 86°F | 64°F | 0" | 0" |
| 1986 | 90°F | 70°F | 0" | 0" |
| 1985 | 70°F | 47°F | 0" | 0" |
| 1982 | 74°F | 43°F | 0" | 0" |
| 1981 | 71°F | 53°F | 0" | 0" |
| 1980 | 69°F | 45°F | 0" | 0" |
| 1979 | 75°F | 40°F | 0" | 0" |
| 1978 | 73°F | 46°F | 0" | 0" |
| 1977 | 83°F | 64°F | 1.04" | 0" |
| 1976 | 75°F | 53°F | 0" | 0" |
| 1975 | 66°F | 46°F | 0" | 0" |
| 1974 | 64°F | 36°F | 0" | 0" |
| 1973 | 85°F | 64°F | 0" | 0" |
| 1972 | 80°F | 60°F | 0.43" | 0" |
| 1971 | 68°F | -- | 0" | 0" |