Weather on September 25
Saint Louis, MO
55 Years of Data
Avg High
77°F
Avg Low
55°F
Warmest
2007
81°F avg
Coldest
2001
50°F avg
About This Date
September 25th 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 25th was in 2007 (81°F average), while the coldest was 2001 (50°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 19% of September 25th dates historically, with the wettest September 25th recording 2.69" of rain. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
Planning for September 25th in Saint Louis, MO? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 56° | 67° | — | — |
| 2024 | 79° | 55° | 67° | — | — |
| 2023 | 88° | 61° | 74° | — | — |
| 2022 | 79° | 57° | 68° | — | — |
| 2021 | 74° | 48° | 61° | 0.13" | — |
| 2020 | 80° | 50° | 65° | — | — |
| 2019 | 79° | 61° | 70° | — | — |
| 2018 | 85° | 70° | 77° | — | — |
| 2017 | 91° | — | — | — | — |
| 2016 | 91° | 72° | 81° | — | — |
| 2015 | 84° | 59° | 72° | — | — |
| 2014 | 79° | 60° | 69° | — | — |
| 2013 | 82° | 66° | 74° | — | — |
| 2012 | 73° | 59° | 66° | — | — |
| 2011 | 67° | 45° | 56° | — | — |
| 2010 | 80° | 52° | 66° | — | — |
| 2009 | 72° | 65° | 68° | 0.28" | — |
| 2008 | 83° | 58° | 70° | — | — |
| 2007warmest | 89° | 73° | 81° | — | — |
| 2006 | 67° | 46° | 56° | — | — |
| 2005 | 87° | 68° | 78° | 0.76" | — |
| 2004 | 80° | 58° | 69° | — | — |
| 2003 | 89° | 54° | 71° | 0.05" | — |
| 2002 | 69° | 46° | 58° | — | — |
| 2001coldest | 61° | 39° | 50° | — | — |
| 2000 | 62° | 48° | 55° | 2.69" | — |
| 1999 | 82° | 51° | 67° | — | — |
| 1998 | 71° | 63° | 67° | — | — |
| 1997 | 71° | 46° | 59° | — | — |
| 1996 | 72° | 46° | 59° | — | — |
| 1995 | 74° | 48° | 61° | — | — |
| 1994 | 61° | 50° | 55° | 1.35" | — |
| 1993 | 75° | 55° | 65° | 1.52" | — |
| 1992 | 69° | 60° | 65° | — | — |
| 1991 | 70° | 45° | 57° | — | — |
| 1990 | 84° | 53° | 69° | — | — |
| 1989 | 72° | 38° | 55° | — | — |
| 1988 | 79° | 46° | 62° | — | — |
| 1987 | 80° | 49° | 64° | — | — |
| 1986 | 87° | 72° | 79° | — | — |
| 1985 | 63° | 44° | 53° | 0.38" | — |
| 1982 | 78° | 54° | 66° | — | — |
| 1981 | 79° | 55° | 67° | — | — |
| 1980 | 77° | 59° | 68° | 0.58" | — |
| 1979 | 81° | 49° | 65° | — | — |
| 1978 | 82° | 58° | 70° | — | — |
| 1977 | 80° | 59° | 70° | — | — |
| 1976 | 77° | 51° | 64° | 0.08" | — |
| 1975 | 56° | 49° | 52° | — | — |
| 1974 | 68° | 38° | 53° | — | — |
| 1973 | 86° | 69° | 78° | — | — |
| 1972 | 77° | 71° | 74° | — | — |
| 1971 | 70° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV