Weather on September 29
Saint Louis, MO
55 Years of Data
Avg High
77°F
Avg Low
52°F
Warmest
2019
81°F avg
Coldest
2003
52°F avg
About This Date
September 29th in Saint Louis, MO typically brings pleasant fall weather, with average highs around 77°F and lows near 52°F — a 25°F daily swing. Over 53 years of records, the warmest September 29th was in 2019 (81°F average), while the coldest was 2003 (52°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 23% of September 29th dates historically, with the wettest September 29th recording 3.84" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for September 29th in Saint Louis, MO? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 54° | 72° | — | — |
| 2024 | 80° | 69° | 75° | — | — |
| 2023 | 89° | 62° | 76° | — | — |
| 2022 | 70° | 39° | 54° | — | — |
| 2021 | 88° | 56° | 72° | — | — |
| 2020 | 64° | 47° | 55° | — | — |
| 2019warmest | 92° | 70° | 81° | — | — |
| 2018 | 75° | 51° | 63° | — | — |
| 2017 | 74° | — | — | — | — |
| 2016 | 68° | 54° | 61° | — | — |
| 2015 | 83° | 69° | 76° | 0.03" | — |
| 2014 | 85° | 60° | 72° | — | — |
| 2013 | 85° | 60° | 72° | 0.1" | — |
| 2012 | 72° | 51° | 61° | 0.64" | — |
| 2011 | 74° | 56° | 65° | — | — |
| 2010 | 76° | 51° | 63° | — | — |
| 2009 | 68° | 50° | 59° | — | — |
| 2008 | 83° | 58° | 70° | — | — |
| 2007 | 84° | 50° | 67° | — | — |
| 2006 | 65° | 44° | 54° | — | — |
| 2005 | 80° | 48° | 64° | 3.76" | — |
| 2004 | 73° | 45° | 59° | — | — |
| 2003coldest | 63° | 42° | 52° | — | — |
| 2002 | 82° | 58° | 70° | — | — |
| 2001 | 65° | 44° | 54° | — | — |
| 2000 | 73° | 46° | 60° | — | — |
| 1999 | 82° | 54° | 68° | 1.32" | — |
| 1998 | 84° | 64° | 74° | 0.03" | — |
| 1997 | 74° | 50° | 62° | — | — |
| 1996 | 75° | 46° | 61° | — | — |
| 1995 | 83° | 53° | 68° | — | — |
| 1994 | 79° | 45° | 62° | — | — |
| 1993 | 70° | 47° | 58° | — | — |
| 1992 | 68° | 41° | 55° | — | — |
| 1991 | 83° | 55° | 69° | — | — |
| 1990 | 74° | 50° | 62° | — | — |
| 1989 | 78° | 56° | 67° | — | — |
| 1988 | 77° | 62° | 70° | — | — |
| 1987 | 70° | 39° | 54° | 3.84" | — |
| 1986 | 88° | 64° | 76° | 0.18" | — |
| 1985 | 77° | 44° | 61° | — | — |
| 1982 | 79° | 55° | 67° | — | — |
| 1981 | 75° | 51° | 63° | — | — |
| 1980 | 79° | 44° | 61° | — | — |
| 1979 | 88° | 54° | 71° | — | — |
| 1978 | 71° | 43° | 57° | — | — |
| 1977 | 76° | 56° | 66° | — | — |
| 1976 | 72° | 48° | 60° | — | — |
| 1975 | 73° | 50° | 62° | 0.18" | — |
| 1974 | 63° | 46° | 54° | 3.43" | — |
| 1973 | 78° | 60° | 69° | 0.43" | — |
| 1972 | 82° | 55° | 69° | 1.45" | — |
| 1971 | 92° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV