Weather on September 3
Saint Louis, MO
55 Years of Data
Avg High
86°F
Avg Low
63°F
Warmest
2011
86°F avg
Coldest
2009
63°F avg
About This Date
September 3rd in Saint Louis, MO typically brings warm fall weather, with average highs around 86°F and lows near 63°F. Over 53 years of records, the warmest September 3rd was in 2011 (86°F average), while the coldest was 2009 (63°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 3rd dates historically, with the wettest September 3rd recording 5.69" 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 3rd in Saint Louis, MO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 54° | 70° | 0.18" | — |
| 2024 | 82° | 58° | 70° | — | — |
| 2023 | 89° | 68° | 79° | — | — |
| 2022 | 77° | 64° | 71° | 5.69" | — |
| 2021 | 79° | 58° | 68° | — | — |
| 2020 | 88° | 69° | 78° | — | — |
| 2019 | 91° | 66° | 79° | — | — |
| 2018 | 93° | 71° | 82° | — | — |
| 2017 | 86° | 66° | 76° | — | — |
| 2016 | 80° | 62° | 71° | — | — |
| 2015 | 92° | 74° | 83° | — | — |
| 2014 | 83° | 67° | 75° | — | — |
| 2013 | 84° | 56° | 70° | — | — |
| 2012 | 87° | 72° | 79° | — | — |
| 2011warmest | 103° | 70° | 86° | — | — |
| 2010 | 87° | 63° | 75° | 0.3" | — |
| 2009coldest | 76° | 51° | 63° | — | — |
| 2008 | 90° | 74° | 82° | — | — |
| 2007 | 90° | 59° | 74° | — | — |
| 2006 | 77° | 56° | 66° | — | — |
| 2005 | 87° | 58° | 72° | — | — |
| 2004 | 83° | 61° | 72° | — | — |
| 2003 | 72° | 64° | 68° | 0.89" | — |
| 2002 | 92° | 72° | 82° | — | — |
| 2001 | 85° | 64° | 74° | — | — |
| 2000 | 92° | 71° | 81° | — | — |
| 1999 | 92° | 67° | 79° | — | — |
| 1998 | 84° | 64° | 74° | — | — |
| 1997 | 91° | 61° | 76° | 0.33" | — |
| 1996 | 83° | 66° | 74° | — | — |
| 1995 | 83° | 56° | 69° | — | — |
| 1994 | 76° | 58° | 67° | — | — |
| 1993 | 79° | 66° | 72° | 4.6" | — |
| 1992 | 87° | 64° | 76° | — | — |
| 1991 | 84° | 69° | 77° | 0.97" | — |
| 1990 | 95° | 71° | 83° | — | — |
| 1989 | 82° | 62° | 72° | — | — |
| 1988 | 87° | 60° | 74° | — | — |
| 1987 | 85° | 49° | 67° | — | — |
| 1986 | 87° | 63° | 75° | — | — |
| 1985 | 96° | 70° | 83° | — | — |
| 1982 | 85° | 56° | 70° | — | — |
| 1981 | 81° | 66° | 73° | — | — |
| 1980 | 87° | 59° | 73° | — | — |
| 1979 | 89° | 65° | 77° | — | — |
| 1978 | 87° | 62° | 75° | — | — |
| 1977 | 92° | 70° | 81° | — | — |
| 1976 | 79° | 57° | 68° | — | — |
| 1975 | 95° | 70° | 82° | — | — |
| 1974 | — | 49° | — | 1.17" | — |
| 1973 | 89° | 70° | 79° | — | — |
| 1972 | 74° | 58° | 66° | — | — |
| 1971 | 85° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV