Weather on September 4
Saint Louis, MO
55 Years of Data
Avg High
85°F
Avg Low
63°F
Warmest
2011
86°F avg
Coldest
1974
55°F avg
About This Date
September 4th in Saint Louis, MO typically brings warm fall weather, with average highs around 85°F and lows near 63°F. Over 53 years of records, the warmest September 4th was in 2011 (86°F average), while the coldest was 1974 (55°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 4th dates historically, with the wettest September 4th recording 5.08" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for September 4th in Saint Louis, MO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 58° | 67° | 0.05" | — |
| 2024 | 89° | 54° | 71° | — | — |
| 2023 | 94° | 70° | 82° | 0.43" | — |
| 2022 | 75° | 67° | 71° | 2.29" | — |
| 2021 | 77° | 67° | 72° | 3.56" | — |
| 2020 | 82° | 56° | 69° | — | — |
| 2019 | 84° | 64° | 74° | — | — |
| 2018 | 92° | 70° | 81° | — | — |
| 2017 | 93° | — | — | — | — |
| 2016 | 83° | 61° | 72° | — | — |
| 2015 | 93° | 75° | 84° | — | — |
| 2014 | 88° | 72° | 80° | — | — |
| 2013 | 87° | 55° | 71° | — | — |
| 2012 | 92° | 69° | 80° | — | — |
| 2011warmest | 101° | 72° | 86° | — | — |
| 2010 | 77° | 55° | 66° | — | — |
| 2009 | 82° | 58° | 70° | — | — |
| 2008 | 78° | 67° | 72° | 5.08" | — |
| 2007 | 94° | 67° | 80° | — | — |
| 2006 | 81° | 61° | 71° | — | — |
| 2005 | 88° | 58° | 73° | — | — |
| 2004 | 84° | 64° | 74° | — | — |
| 2003 | 81° | 60° | 70° | — | — |
| 2002 | 89° | 70° | 79° | — | — |
| 2001 | 87° | 66° | 77° | — | — |
| 2000 | 95° | 74° | 84° | — | — |
| 1999 | 92° | 63° | 77° | — | — |
| 1998 | 91° | 70° | 80° | — | — |
| 1997 | 71° | 51° | 61° | — | — |
| 1996 | 85° | 64° | 74° | — | — |
| 1995 | 85° | 63° | 74° | — | — |
| 1994 | 75° | 57° | 66° | — | — |
| 1993 | 80° | 59° | 70° | — | — |
| 1992 | 86° | 59° | 73° | — | — |
| 1991 | 78° | 62° | 70° | 2.54" | — |
| 1990 | 96° | 74° | 85° | — | — |
| 1989 | 80° | 67° | 73° | — | — |
| 1988 | 79° | 49° | 64° | — | — |
| 1987 | 88° | 59° | 73° | — | — |
| 1986 | 91° | 54° | 72° | — | — |
| 1985 | 83° | 71° | 77° | — | — |
| 1982 | 85° | 56° | 70° | — | — |
| 1981 | 85° | — | — | — | — |
| 1980 | 89° | 64° | 77° | — | — |
| 1979 | 89° | 63° | 76° | — | — |
| 1978 | 91° | 60° | 76° | — | — |
| 1977 | 88° | 68° | 78° | 3.58" | — |
| 1976 | 83° | 57° | 70° | — | — |
| 1975 | 95° | 69° | 82° | — | — |
| 1974coldest | 68° | 43° | 55° | — | — |
| 1973 | 85° | 69° | 77° | 0.15" | — |
| 1972 | 73° | 58° | 65° | — | — |
| 1971 | 84° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV