Weather on September 15
West Palm Beach, FL
55 Years of Data
About This Date
September 15th in West Palm Beach, FL typically brings warm fall weather, with average highs around 89°F and lows near 76°F. Over 55 years of records, the warmest September 15th was in 2010 (87°F average), while the coldest was 1975 (78°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 47% of September 15th dates historically, with the wettest September 15th recording 3.18" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in West Palm Beach, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 74° | 82° | 0.41" | — |
| 2024 | 93° | 78° | 86° | 0.1" | — |
| 2023 | 91° | 78° | 85° | 0.25" | — |
| 2022 | 89° | 74° | 81° | 2.74" | — |
| 2021 | 90° | 76° | 83° | — | — |
| 2020 | 91° | 80° | 86° | — | — |
| 2019 | 91° | 76° | 83° | — | — |
| 2018 | 91° | 76° | 83° | — | — |
| 2017 | 89° | 80° | 85° | — | — |
| 2016 | 91° | 77° | 84° | — | — |
| 2015 | 88° | 77° | 82° | 0.46" | — |
| 2014 | 89° | 73° | 81° | — | — |
| 2013 | 88° | 74° | 81° | 3.18" | — |
| 2012 | 86° | 76° | 81° | 3.05" | — |
| 2011 | 89° | 72° | 80° | — | — |
| 2010warmest | 91° | 83° | 87° | — | — |
| 2009 | 89° | 78° | 84° | — | — |
| 2008 | 88° | 80° | 84° | — | — |
| 2007 | 89° | 77° | 83° | — | — |
| 2006 | 92° | 76° | 84° | 1.09" | — |
| 2005 | 89° | 75° | 82° | — | — |
| 2004 | 88° | 82° | 85° | — | — |
| 2003 | 89° | 77° | 83° | — | — |
| 2002 | 89° | 81° | 85° | — | — |
| 2001 | 84° | 72° | 78° | — | — |
| 2000 | 91° | 73° | 82° | — | — |
| 1999 | 89° | 74° | 81° | 0.23" | — |
| 1998 | 84° | 74° | 79° | 1.88" | — |
| 1997 | 84° | 74° | 79° | 0.48" | — |
| 1996 | 88° | 74° | 81° | — | — |
| 1995 | 89° | 80° | 85° | — | — |
| 1994 | 88° | 74° | 81° | 0.61" | — |
| 1993 | 85° | 76° | 80° | 1.07" | — |
| 1992 | 87° | 76° | 81° | 0.38" | — |
| 1991 | 89° | 75° | 82° | — | — |
| 1990 | 93° | 74° | 83° | — | — |
| 1989 | 91° | 77° | 84° | 0.2" | — |
| 1988 | 90° | 82° | 86° | — | — |
| 1987 | 90° | 74° | 82° | — | — |
| 1986 | 89° | 75° | 82° | 1.09" | — |
| 1985 | 88° | 74° | 81° | 0.28" | — |
| 1984 | 89° | 75° | 82° | 0.18" | — |
| 1983 | 89° | 73° | 81° | 0.84" | — |
| 1982 | 90° | 76° | 83° | 0.03" | — |
| 1981 | 90° | 71° | 80° | 2.26" | — |
| 1980 | 84° | 74° | 79° | 0.18" | — |
| 1979 | 85° | 76° | 80° | — | — |
| 1978 | 90° | 72° | 81° | 0.56" | — |
| 1977 | 88° | 77° | 82° | 0.03" | — |
| 1976 | 84° | 71° | 78° | — | — |
| 1975coldest | 86° | 70° | 78° | 0.36" | — |
| 1974 | 87° | 74° | 80° | — | — |
| 1973 | 91° | 75° | 83° | 3.18" | — |
| 1972 | 90° | 75° | 82° | — | — |
| 1971 | 87° | 73° | 80° | — | — |