Fort Pierce, FL
Florida · Records since 1901–2026
Records for September 11
🔥 Record High
September 11, 1917
+7° from 89° normal❄ Record Low
September 11, 1993
-8° from 73° normalAll-Time Records — Fort Pierce
First & Last Dates — Fort Pierce
How early and how late each seasonal turning point has ever arrived, across the full period of record
Top 10 Record Highs — September 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 96°F | September 11, 1917 |
| 2 | 94°F | September 11, 1993 |
| 3 | 93°F | September 11, 2015 |
| 4 | 93°F | September 11, 1977 |
| 5 | 93°F | September 11, 1954 |
| 6 | 93°F | September 11, 1944 |
| 7 | 92°F | September 11, 1984 |
| 8 | 92°F | September 11, 1983 |
| 9 | 92°F | September 11, 1950 |
| 10 | 92°F | September 11, 1947 |
Top 5 Record Lows — September 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 65°F | September 11, 1993 |
| 2 | 67°F | September 11, 1995 |
| 3 | 67°F | September 11, 1984 |
| 4 | 68°F | September 11, 1992 |
| 5 | 68°F | September 11, 1986 |
Heat Wave Summary — Fort Pierce
threshold: 93°F (90th percentile of historical Jun–Aug highs)Days ≥ 90°F Per Year
1901–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Fort Pierce
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 5, 1981 – Jul 23, 1981 | 19 | 100°F (Jul 16) | 96°F | 73°F |
| 2 | Jun 11, 1998 – Jun 26, 1998 | 16 | 100°F (Jun 15) | 95°F | 71°F |
| 3 | Jul 21, 1999 – Aug 2, 1999 | 13 | 99°F (Aug 2) | 94°F | 75°F |
| 4 | Jun 30, 1992 – Jul 11, 1992 | 12 | 98°F (Jul 6) | 94°F | 70°F |
| 5 | Jun 30, 1998 – Jul 10, 1998 | 11 | 100°F (Jul 1) | 96°F | 71°F |
| 6 | Jul 24, 1998 – Aug 3, 1998 | 11 | 99°F (Jul 28) | 95°F | 72°F |
| 7 | Jul 22, 1932 – Aug 1, 1932 | 11 | 97°F (Aug 1) | 94°F | 75°F |
| 8 | Jul 11, 1989 – Jul 20, 1989 | 10 | 97°F (Jul 14) | 94°F | 72°F |
| 9 | Jul 23, 1907 – Aug 1, 1907 | 10 | 95°F (Jul 24) | 94°F | 71°F |
| 10 | Jul 24, 1912 – Aug 1, 1912 | 9 | 98°F (Jul 24) | 96°F | 77°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Annual totals and trend across the full period of record · see this year's standing →
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1901–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Since 1901, annual totals have trended
+0.24" per decade,
about +3.0"
across the record.
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")
This Year — 2026
How Fort Pierce is tracking against normal, year to date
Daily High Temperature vs Normal
150 of 253 days with data were above the 1991–2020 normal high for their date.
Precipitation, Year to Date
Accumulation vs. Normal
Running total since Jan 1 against the normal pace for the same date · Fort Pierce is 7.35" ahead of the normal pace
Period Review — Sep 1 – Nov 30, 2026
Any window, evaluated against every other year on record — 91 days
Average Temperature by Year — Sep 1 – Nov 30
1901–2025 · 2026 highlighted
Precipitation by Year — Sep 1 – Nov 30
1901–2025 · 2026 highlighted · trend -0.15" per decade (drier since 1901)