Los Angeles Airport, CA
California · Records since 1944–2026
Records for September 26
🔥 Record High
September 26, 1963
+34° from 76° normal❄ Record Low
September 26, 1948
-16° from 63° normalAll-Time Records — Los Angeles Airport
First & Last Dates — Los Angeles Airport
How early and how late each seasonal turning point has ever arrived, across the full period of record
Top 10 Record Highs — September 26
| # | Temp | Date |
|---|---|---|
| 🏆 | 110°F | September 26, 1963 |
| 2 | 101°F | September 26, 2016 |
| 3 | 97°F | September 26, 1978 |
| 4 | 93°F | September 26, 1973 |
| 5 | 93°F | September 26, 1970 |
| 6 | 88°F | September 26, 1958 |
| 7 | 87°F | September 26, 2010 |
| 8 | 85°F | September 26, 1993 |
| 9 | 85°F | September 26, 1989 |
| 10 | 83°F | September 26, 1975 |
Top 5 Record Lows — September 26
| # | Temp | Date |
|---|---|---|
| 🥶 | 47°F | September 26, 1948 |
| 2 | 54°F | September 26, 1945 |
| 3 | 55°F | September 26, 1986 |
| 4 | 57°F | September 26, 1953 |
| 5 | 58°F | September 26, 2005 |
Heat Wave Summary — Los Angeles Airport
threshold: 80°F (90th percentile of historical Jun–Aug highs)Days ≥ 90°F Per Year
1944–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Los Angeles Airport
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 27, 1959 – Sep 14, 1959 | 19 | 103°F (Sep 11) | 83°F | 67°F |
| 2 | Jun 30, 1959 – Jul 15, 1959 | 16 | 97°F (Jul 10) | 84°F | 67°F |
| 3 | Aug 31, 2022 – Sep 14, 2022 | 15 | 102°F (Sep 9) | 88°F | 72°F |
| 4 | Aug 10, 1994 – Aug 24, 1994 | 15 | 95°F (Aug 13) | 86°F | 69°F |
| 5 | Aug 5, 1958 – Aug 18, 1958 | 14 | 87°F (Aug 14) | 82°F | 68°F |
| 6 | Sep 19, 1978 – Sep 30, 1978 | 12 | 105°F (Sep 24) | 93°F | 67°F |
| 7 | Aug 1, 1971 – Aug 12, 1971 | 12 | 90°F (Aug 10) | 85°F | 70°F |
| 8 | Jul 24, 1959 – Aug 4, 1959 | 12 | 89°F (Aug 1) | 84°F | 68°F |
| 9 | Aug 21, 2019 – Aug 31, 2019 | 11 | 85°F (Aug 26) | 81°F | 68°F |
| 10 | Oct 20, 1965 – Oct 29, 1965 | 10 | 101°F (Oct 22) | 91°F | 62°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 (1944–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Since 1944, annual totals have trended
+0.27" per decade,
about +2.2"
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 Los Angeles Airport is tracking against normal, year to date
Daily High Temperature vs Normal
181 of 267 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 · Los Angeles Airport is 2.52" behind the normal pace
Period Review — Sep 18 – Sep 25, 2026
Any window, evaluated against every other year on record — 8 days
Average Temperature by Year — Sep 18 – Sep 25
1944–2026 · 2026 highlighted · trend +0.25° per decade (warming since 1944)
Precipitation by Year — Sep 18 – Sep 25
1944–2025 · 2026 highlighted
Warmest Sep 18 – Sep 25 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1978 | 78.9°F |
| 2 | 1975 | 75.8°F |
| 3 | 2015 | 75.6°F |
| 4 | 1984 | 74.0°F |
| 5 | 1997 | 73.8°F |
| 6 | 1982 | 73.6°F |
| 7 | 1979 | 73.5°F |
| 8 | 2019 | 73.1°F |
| 9 | 1983 | 72.9°F |
| 10 | 2016 | 72.4°F |
Coolest Sep 18 – Sep 25 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1986 | 63.7°F |
| 2 | 1953 | 63.9°F |
| 3 | 1948 | 63.9°F |
| 4 | 1944 | 64.6°F |
| 5 | 1945 | 64.9°F |
| 6 | 2007 | 64.9°F |
| 7 | 1955 | 65.1°F |
| 8 | 1988 | 65.1°F |
| 9 | 2011 | 65.4°F |
| 10 | 1973 | 65.5°F |