Weather on September 28 at Gateway Arch
Gateway Arch National Park
Based on 52 years of data from St. Louis, MO
Planning Your Visit
September 28th in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 79°F and lows near 54°F — a 25°F daily swing. Over 52 years of records, the warmest September 28th was in 1986 (80°F average), while the coldest was 1996 (49°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 12% of September 28th dates historically, with the wettest September 28th recording 0.79" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for September 28th in Gateway Arch? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 90°F | 52°F | 0" | 0" |
| 2024 | 78°F | 66°F | 0" | 0" |
| 2023 | 84°F | 62°F | 0" | 0" |
| 2022 | 66°F | 39°F | 0" | 0" |
| 2021 | 90°F | 57°F | 0" | 0" |
| 2020 | 69°F | 52°F | 0.79" | 0" |
| 2019 | 81°F | 64°F | 0.03" | 0" |
| 2018 | 78°F | 50°F | 0" | 0" |
| 2017 | 73°F | 58°F | -- | 0" |
| 2016 | 82°F | 61°F | 0" | 0" |
| 2015 | 81°F | 67°F | 0" | 0" |
| 2014 | 84°F | 55°F | 0" | 0" |
| 2013 | 84°F | 66°F | 0" | 0" |
| 2012 | 70°F | 55°F | 0.61" | 0" |
| 2011 | 70°F | 52°F | 0" | -- |
| 2010 | 80°F | 48°F | 0" | 0" |
| 2009 | 82°F | 55°F | 0" | 0" |
| 2008 | 79°F | 55°F | 0" | 0" |
| 2007 | 81°F | 53°F | 0" | 0" |
| 2006 | 76°F | 53°F | 0" | 0" |
| 2005 | 78°F | 57°F | 0" | 0" |
| 2004 | 76°F | 47°F | 0" | 0" |
| 2003 | 72°F | 47°F | 0.28" | 0" |
| 2002 | 78°F | 54°F | 0" | 0" |
| 2001 | 75°F | 45°F | 0" | 0" |
| 2000 | 76°F | 47°F | 0" | 0" |
| 1999 | 86°F | 64°F | 0" | 0" |
| 1998 | 90°F | 65°F | 0" | 0" |
| 1997 | 80°F | 55°F | 0" | 0" |
| 1996 | 54°F | 44°F | 0.53" | 0" |
| 1995 | 80°F | 48°F | 0" | 0" |
| 1994 | 73°F | 50°F | 0" | 0" |
| 1993 | 73°F | 51°F | 0" | 0" |
| 1992 | 74°F | 49°F | 0" | 0" |
| 1991 | 80°F | 54°F | 0" | 0" |
| 1990 | 87°F | 62°F | 0" | 0" |
| 1989 | 76°F | 50°F | 0" | 0" |
| 1988 | 82°F | 57°F | 0" | 0" |
| 1987 | 83°F | 49°F | 0" | 0" |
| 1986 | 91°F | 69°F | 0" | 0" |
| 1985 | 78°F | 44°F | 0" | 0" |
| 1981 | 89°F | 49°F | 0" | 0" |
| 1980 | 72°F | 46°F | 0" | 0" |
| 1979 | 86°F | 49°F | 0" | 0" |
| 1978 | 85°F | 50°F | 0" | 0" |
| 1977 | 86°F | 49°F | 0" | 0" |
| 1976 | 69°F | 49°F | 0" | 0" |
| 1975 | 73°F | 41°F | 0" | 0" |
| 1974 | 78°F | 57°F | 0" | 0" |
| 1973 | 78°F | 69°F | 0.13" | 0" |
| 1972 | 84°F | 67°F | 0" | 0" |
| 1971 | 89°F | -- | 0" | 0" |