Barrow, AK
Alaska · Records since 1920–2026
Records for September 11
🔥 Record High
September 11, 2007
+21° from 39° normal❄ Record Low
September 11, 1931
-11° from 32° normalAll-Time Records — Barrow
First & Last Dates — Barrow
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 |
|---|---|---|
| 🏆 | 60°F | September 11, 2007 |
| 2 | 55°F | September 11, 2010 |
| 3 | 53°F | September 11, 2019 |
| 4 | 53°F | September 11, 1986 |
| 5 | 52°F | September 11, 2001 |
| 6 | 51°F | September 11, 2011 |
| 7 | 51°F | September 11, 1925 |
| 8 | 48°F | September 11, 1976 |
| 9 | 47°F | September 11, 1927 |
| 10 | 46°F | September 11, 1970 |
Top 5 Record Lows — September 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 21°F | September 11, 1931 |
| 2 | 22°F | September 11, 1964 |
| 3 | 22°F | September 11, 1960 |
| 4 | 22°F | September 11, 1936 |
| 5 | 23°F | September 11, 1992 |
Heat Wave Summary — Barrow
threshold: 56°F (90th percentile of historical Jun–Aug highs)Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Barrow
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 4, 1994 – Aug 11, 1994 | 8 | 68°F (Aug 9) | 64°F | 43°F |
| 2 | Aug 13, 2012 – Aug 20, 2012 | 8 | 66°F (Aug 19) | 61°F | 46°F |
| 3 | Jul 18, 2023 – Jul 24, 2023 | 7 | 74°F (Jul 19) | 68°F | 49°F |
| 4 | Jul 29, 1977 – Aug 4, 1977 | 7 | 69°F (Aug 4) | 61°F | 43°F |
| 5 | Jul 26, 2023 – Aug 1, 2023 | 7 | 65°F (Jul 28) | 59°F | 46°F |
| 6 | Jul 14, 1927 – Jul 19, 1927 | 6 | 78°F (Jul 14) | 66°F | 40°F |
| 7 | Jul 23, 1928 – Jul 28, 1928 | 6 | 70°F (Jul 27) | 64°F | 41°F |
| 8 | Jun 19, 2015 – Jun 24, 2015 | 6 | 67°F (Jun 19) | 60°F | 38°F |
| 9 | Aug 4, 2024 – Aug 8, 2024 | 5 | 74°F (Aug 6) | 66°F | 46°F |
| 10 | Jul 8, 1946 – Jul 12, 1946 | 5 | 73°F (Jul 10) | 65°F | 39°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 (1920–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Since 1920, annual totals have trended
+0.25" per decade,
about +2.7"
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 Barrow is tracking against normal, year to date
Daily High Temperature vs Normal
93 of 241 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 · Barrow is 1.02" 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
1921–2025 · 2026 highlighted · trend +0.70° per decade (warming since 1921)
Precipitation by Year — Sep 1 – Nov 30
1921–2024 · 2026 highlighted · trend +0.06" per decade (wetter since 1921)