Weather on September 22
Saint Louis, MO
55 Years of Data
Avg High
77°F
Avg Low
55°F
Warmest
1980
82°F avg
Coldest
1995
47°F avg
About This Date
September 22nd in Saint Louis, MO typically brings pleasant fall weather, with average highs around 77°F and lows near 55°F. Over 53 years of records, the warmest September 22nd was in 1980 (82°F average), while the coldest was 1995 (47°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 30% of September 22nd dates historically, with the wettest September 22nd recording 6.02" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for September 22nd in Saint Louis, MO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 66° | 73° | 1.37" | — |
| 2024 | 83° | 70° | 76° | 6.02" | — |
| 2023 | 87° | 65° | 76° | 1.45" | — |
| 2022 | 73° | 52° | 62° | 0.03" | — |
| 2021 | 71° | 48° | 60° | — | — |
| 2020 | 77° | 48° | 63° | — | — |
| 2019 | 88° | 67° | 77° | 0.43" | — |
| 2018 | 71° | 56° | 63° | — | — |
| 2017 | — | 71° | — | — | — |
| 2016 | 90° | 67° | 78° | — | — |
| 2015 | 78° | 52° | 65° | — | — |
| 2014 | 75° | 48° | 62° | — | — |
| 2013 | 73° | 51° | 62° | — | — |
| 2012 | 83° | 53° | 68° | — | — |
| 2011 | 78° | 56° | 67° | — | — |
| 2010 | 91° | 67° | 79° | — | — |
| 2009 | 81° | 64° | 72° | 2.11" | — |
| 2008 | 76° | 58° | 67° | — | — |
| 2007 | 91° | 63° | 77° | — | — |
| 2006 | 70° | 53° | 61° | — | — |
| 2005 | 87° | 59° | 73° | — | — |
| 2004 | 80° | 50° | 65° | — | — |
| 2003 | 77° | 62° | 70° | 0.03" | — |
| 2002 | 81° | 58° | 69° | — | — |
| 2001 | 79° | 53° | 66° | — | — |
| 2000 | 67° | 51° | 59° | — | — |
| 1999 | 65° | 40° | 52° | — | — |
| 1998 | 80° | 62° | 71° | 0.25" | — |
| 1997 | 71° | 52° | 61° | — | — |
| 1996 | 79° | 50° | 64° | — | — |
| 1995coldest | 56° | 38° | 47° | — | — |
| 1994 | 78° | 54° | 66° | 1.14" | — |
| 1993 | 77° | 64° | 71° | 1.24" | — |
| 1992 | 76° | 55° | 65° | 0.05" | — |
| 1991 | 69° | 47° | 58° | 3.43" | — |
| 1990 | 76° | 46° | 61° | — | — |
| 1989 | 80° | 40° | 60° | — | — |
| 1988 | 94° | 63° | 78° | — | — |
| 1987 | 76° | 50° | 63° | — | — |
| 1986 | 87° | 65° | 76° | — | — |
| 1985 | 89° | 58° | 73° | 0.08" | — |
| 1982 | 65° | 40° | 52° | — | — |
| 1981 | 86° | 54° | 70° | — | — |
| 1980warmest | 93° | 72° | 82° | — | — |
| 1979 | — | 50° | — | — | — |
| 1978 | 65° | 52° | 58° | 0.08" | — |
| 1977 | 69° | 50° | 60° | 0.05" | — |
| 1976 | 74° | 41° | 57° | — | — |
| 1975 | 61° | 42° | 51° | — | — |
| 1974 | 74° | 41° | 57° | — | — |
| 1973 | 84° | 63° | 73° | 0.2" | — |
| 1972 | 70° | 52° | 61° | — | — |
| 1971 | 68° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV