Weather on September 13
Saint Louis, MO
55 Years of Data
Avg High
82°F
Avg Low
59°F
Warmest
1972
85°F avg
Coldest
1975
48°F avg
About This Date
September 13th in Saint Louis, MO typically brings warm fall weather, with average highs around 82°F and lows near 59°F. Over 53 years of records, the warmest September 13th was in 1972 (85°F average), while the coldest was 1975 (48°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 19% of September 13th dates historically, with the wettest September 13th recording 3.2" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for September 13th in Saint Louis, MO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 64° | 80° | — | — |
| 2024 | 79° | 66° | 72° | 0.25" | — |
| 2023 | 83° | 48° | 65° | — | — |
| 2022 | 82° | 50° | 66° | — | — |
| 2021 | 89° | 60° | 75° | — | — |
| 2020 | 78° | 58° | 68° | — | — |
| 2019 | 83° | 62° | 72° | — | — |
| 2018 | 87° | 62° | 75° | — | — |
| 2017 | 78° | 64° | 71° | 0.08" | — |
| 2016 | 82° | 59° | 71° | — | — |
| 2015 | 69° | 49° | 59° | — | — |
| 2014 | 58° | 45° | 51° | — | — |
| 2013 | 86° | 60° | 73° | — | — |
| 2012 | 85° | 64° | 74° | — | — |
| 2011 | 93° | 63° | 78° | — | — |
| 2010 | 85° | 54° | 69° | — | — |
| 2009 | 80° | 59° | 70° | — | — |
| 2008 | 85° | 72° | 78° | — | — |
| 2007 | 73° | 50° | 62° | — | — |
| 2006 | 73° | 60° | 67° | 0.05" | — |
| 2005 | 93° | 68° | 81° | — | — |
| 2004 | 84° | 63° | 73° | — | — |
| 2003 | 78° | 69° | 74° | 1.17" | — |
| 2002 | 79° | 55° | 67° | — | — |
| 2001 | 83° | 56° | 69° | — | — |
| 2000 | 77° | 54° | 65° | — | — |
| 1999 | 85° | 59° | 72° | 1.3" | — |
| 1998 | 88° | 62° | 75° | — | — |
| 1997 | 78° | 56° | 67° | — | — |
| 1996 | 72° | 53° | 62° | — | — |
| 1995 | 87° | 65° | 76° | — | — |
| 1994 | 90° | 61° | 75° | — | — |
| 1993 | 85° | 70° | 77° | 0.03" | — |
| 1992 | 84° | 54° | 69° | — | — |
| 1991 | 93° | 73° | 83° | — | — |
| 1990 | 86° | 64° | 75° | — | — |
| 1989 | 58° | 52° | 55° | 3.2" | — |
| 1988 | 87° | 58° | 72° | — | — |
| 1987 | 87° | 65° | 76° | — | — |
| 1986 | 82° | 50° | 66° | — | — |
| 1985 | 71° | 47° | 59° | — | — |
| 1982 | 88° | 69° | 78° | 0.08" | — |
| 1981 | 90° | 66° | 78° | — | — |
| 1980 | 94° | 65° | 79° | — | — |
| 1979 | 89° | 62° | 76° | — | — |
| 1978 | 85° | 69° | 77° | — | — |
| 1977 | 73° | 60° | 67° | 1.02" | — |
| 1976 | 83° | 46° | 64° | — | — |
| 1975coldest | 57° | 40° | 48° | — | — |
| 1974 | 85° | 53° | 69° | 2.21" | — |
| 1973 | 78° | 50° | 64° | — | — |
| 1972warmest | 96° | 73° | 85° | — | — |
| 1971 | 83° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV