Long Beach, CA
California · Records since 1958–2026
Records for September 11
🔥 Record High
September 11, 1983
+21° from 83° normal❄ Record Low
September 11, 1961
-8° from 64° normalAll-Time Records — Long Beach
First & Last Dates — Long Beach
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 |
|---|---|---|
| 🏆 | 104°F | September 11, 1983 |
| 2 | 101°F | September 11, 1971 |
| 3 | 101°F | September 11, 1963 |
| 4 | 100°F | September 11, 1959 |
| 5 | 99°F | September 11, 1960 |
| 6 | 97°F | September 11, 1990 |
| 7 | 95°F | September 11, 2000 |
| 8 | 93°F | September 11, 2017 |
| 9 | 92°F | September 11, 2021 |
| 10 | 92°F | September 11, 2015 |
Top 5 Record Lows — September 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 56°F | September 11, 1961 |
| 2 | 57°F | September 11, 2010 |
| 3 | 57°F | September 11, 1991 |
| 4 | 57°F | September 11, 1962 |
| 5 | 58°F | September 11, 2000 |
Heat Wave Summary — Long Beach
threshold: 90°F (90th percentile of historical Jun–Aug highs)Days ≥ 90°F Per Year
1958–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Long Beach
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 30, 1971 – Aug 9, 1971 | 11 | 100°F (Aug 4) | 94°F | 70°F |
| 2 | Aug 26, 1995 – Sep 5, 1995 | 11 | 99°F (Aug 29) | 94°F | 65°F |
| 3 | Sep 1, 1997 – Sep 10, 1997 | 10 | 100°F (Sep 4) | 94°F | 71°F |
| 4 | Aug 12, 1992 – Aug 20, 1992 | 9 | 99°F (Aug 17) | 95°F | 70°F |
| 5 | Aug 8, 2003 – Aug 16, 2003 | 9 | 97°F (Aug 10) | 93°F | 67°F |
| 6 | Aug 21, 2026 – Aug 29, 2026 | 9 | 97°F (Aug 24) | 93°F | 72°F |
| 7 | Aug 26, 1983 – Sep 3, 1983 | 9 | 96°F (Aug 27) | 93°F | 67°F |
| 8 | Sep 2, 2022 – Sep 9, 2022 | 8 | 109°F (Sep 4) | 100°F | 74°F |
| 9 | Sep 6, 1971 – Sep 13, 1971 | 8 | 108°F (Sep 12) | 100°F | 70°F |
| 10 | Jul 25, 1972 – Aug 1, 1972 | 8 | 100°F (Jul 27) | 96°F | 65°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 (1958–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Since 1958, annual totals have trended
+0.21" per decade,
about +1.4"
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 Long Beach is tracking against normal, year to date
Daily High Temperature vs Normal
154 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 · Long Beach is 2.74" behind the normal pace
Period Review — Aug 11 – Sep 10, 2026
Any window, evaluated against every other year on record — 31 days
Average Temperature by Year — Aug 11 – Sep 10
1958–2026 · 2026 highlighted · trend +0.41° per decade (warming since 1958)
Precipitation by Year — Aug 11 – Sep 10
1958–2025 · 2026 highlighted
Warmest Aug 11 – Sep 10 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1967 | 81.0°F |
| 2 | 1998 | 80.1°F |
| 3 | 2022 | 79.6°F |
| 4 | 1984 | 79.2°F |
| 5 | 2026 | 78.9°F |
| 6 | 2015 | 78.7°F |
| 7 | 1983 | 78.4°F |
| 8 | 1997 | 78.3°F |
| 9 | 1971 | 78.2°F |
| 10 | 2012 | 78.1°F |
Coolest Aug 11 – Sep 10 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1964 | 69.6°F |
| 2 | 1962 | 70.5°F |
| 3 | 1999 | 70.8°F |
| 4 | 1989 | 71.3°F |
| 5 | 1975 | 71.6°F |
| 6 | 2010 | 71.6°F |
| 7 | 1973 | 71.7°F |
| 8 | 2002 | 71.7°F |
| 9 | 2001 | 72.0°F |
| 10 | 1987 | 72.0°F |