St. Mary Parish, LA
: September 2026 so far brought 1.43 in of precipitation in St. Mary Parish, LA, the driest 1 to 29 September in the county average since 2019, 4th driest of 76 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 89.2°F averaged over St. Mary Parish, LA, the warmest 29 September in the county average since 2023, tied 12th warmest of 76 (with 1980 and 1959) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 72.2°F averaged over St. Mary Parish, LA, the warmest 29 September night in the county average since 2019, 16th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of St. Mary Parish, LA for 7 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 81.5°F in St. Mary Parish, LA, the warmest 1 to 29 September in the county average since 2023, tied 6th warmest of 76 (with 1998 and 1980) (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 84.2°F in St. Mary Parish, LA, the warmest August in the county average since 2023, tied 5th warmest of 132 (with 2010) (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 89.2 | 72.2 |
| 2025 | 87.4 | 66 |
| 2024 | 88.9 | 64.7 |
| 2023 | 89.5 | 70.9 |
| 2022 | 79 | 54.5 |
| 2021 | 76.5 | 72.1 |
| 2020 | 88.1 | 63.7 |
| 2019 | 90.8 | 74.7 |
| 2018 | 83.6 | 73.1 |
| 2017 | 90.2 | 72.8 |
| 2016 | 87.6 | 68.5 |
| 2015 | 82.5 | 74 |
| 2014 | 81.2 | 73.2 |
| 2013 | 87.7 | 68.6 |
| 2012 | 84.3 | 73.3 |
| 2011 | 88.7 | 67.2 |
| 2010 | 81.2 | 59.5 |
| 2009 | 89.7 | 70 |
| 2008 | 86.1 | 64.7 |
| 2007 | 87.9 | 71.7 |
| 2006 | 84.6 | 61.9 |
| 2005 | 90.8 | 73.3 |
| 2004 | 85.2 | 63.7 |
| 2003 | 82.5 | 58.4 |
| 2002 | 85.2 | 68.5 |
| 2001 | 80.7 | 56.9 |
| 2000 | 81.5 | 57.1 |
| 1999 | 83.3 | 72.6 |
| 1998 | 90.1 | 75.7 |
| 1997 | 87.1 | 65.3 |
| 1996 | 70.6 | 55.1 |
| 1995 | 86.1 | 66.6 |
| 1994 | 87.5 | 62.7 |
| 1993 | 80.2 | 57.1 |
| 1992 | 81.4 | 63.3 |
| 1991 | 80.8 | 57.2 |
| 1990 | 85.8 | 62.7 |
| 1989 | 74.7 | 66.2 |
| 1988 | 87.1 | 67.2 |
| 1987 | 81.7 | 70.6 |
| 1986 | 90.7 | 74 |
| 1985 | 82 | 61.1 |
| 1984 | 81 | 58.1 |
| 1983 | 81.3 | 58.3 |
| 1982 | 85.3 | 63 |
| 1981 | 88.3 | 66.7 |
| 1980 | 89.2 | 74.5 |
| 1979 | 84.4 | 65.7 |
| 1978 | 79.8 | 68.4 |
| 1977 | 90.5 | 73.1 |
| 1976 | 78.5 | 67.5 |
| 1975 | 77.7 | 53.4 |
| 1974 | 86 | 64.5 |
| 1973 | 87.7 | 71.5 |
| 1972 | 87.7 | 72.4 |
| 1971 | 87.3 | 70.3 |
| 1970 | 77.2 | 56 |
| 1969 | 86.4 | 62.4 |
| 1968 | 84.8 | 61.3 |
| 1967 | 67.1 | 45.5 |
| 1966 | 84.1 | 66.7 |
| 1965 | 77.6 | 68 |
| 1964 | 83.6 | 68.9 |
| 1963 | 80.8 | 60.7 |
| 1962 | 84.7 | 59.3 |
| 1961 | 88.1 | 66.7 |
| 1960 | 76.4 | 61.2 |
| 1959 | 89.2 | 72.5 |
| 1958 | 82.7 | 61.8 |
| 1957 | 68.5 | 60.1 |
| 1956 | 86.9 | 62.1 |
| 1955 | 90.3 | 74.2 |
| 1954 | 90.7 | 72.1 |
| 1953 | 92.6 | 66.4 |
| 1952 | 86.3 | 62.1 |
| 1951 | 83.7 | 63.6 |
Nearby
Baton Rouge, LA 65.6 mi, the nearest city with its own station