Galveston, TX
Texas · Records since 1874–2026
Records for September 26
🔥 Record High
September 26, 2022
+5° from 87° normal❄ Record Low
September 26, 1940
-18° from 74° normalAll-Time Records — Galveston
First & Last Dates — Galveston
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 |
|---|---|---|
| 🏆 | 92°F | September 26, 2022 |
| 2 | 91°F | September 26, 2011 |
| 3 | 90°F | September 26, 2023 |
| 4 | 90°F | September 26, 2017 |
| 5 | 90°F | September 26, 1939 |
| 6 | 89°F | September 26, 2019 |
| 7 | 89°F | September 26, 1995 |
| 8 | 89°F | September 26, 1931 |
| 9 | 88°F | September 26, 2025 |
| 10 | 88°F | September 26, 2015 |
Top 5 Record Lows — September 26
| # | Temp | Date |
|---|---|---|
| 🥶 | 56°F | September 26, 1940 |
| 2 | 57°F | September 26, 1889 |
| 3 | 58°F | September 26, 2000 |
| 4 | 58°F | September 26, 1942 |
| 5 | 63°F | September 26, 2001 |
Heat Wave Summary — Galveston
threshold: 92°F (90th percentile of historical Jun–Aug highs)Days ≥ 90°F Per Year
1874–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Galveston
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 30, 2023 – Sep 13, 2023 | 46 | 101°F (Aug 27) | 94°F | 82°F |
| 2 | Jul 21, 2011 – Aug 24, 2011 | 35 | 96°F (Aug 18) | 93°F | 83°F |
| 3 | Jul 17, 2015 – Aug 16, 2015 | 31 | 98°F (Jul 31) | 94°F | 82°F |
| 4 | Aug 16, 1995 – Sep 11, 1995 | 27 | 98°F (Sep 2) | 95°F | 78°F |
| 5 | Jun 13, 1875 – Jul 6, 1875 | 24 | 97°F (Jun 22) | 94°F | 80°F |
| 6 | Jul 8, 1875 – Jul 31, 1875 | 24 | 97°F (Jul 11) | 95°F | 80°F |
| 7 | Aug 2, 2020 – Aug 25, 2020 | 24 | 97°F (Aug 18) | 93°F | 83°F |
| 8 | Jun 8, 2022 – Jun 28, 2022 | 21 | 97°F (Jun 19) | 94°F | 83°F |
| 9 | Aug 4, 2009 – Aug 23, 2009 | 20 | 94°F (Aug 6) | 93°F | 81°F |
| 10 | Jul 18, 2022 – Aug 4, 2022 | 18 | 95°F (Jul 29) | 94°F | 85°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 (1871–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Since 1871, annual totals have trended
-0.26" per decade,
about -4.1"
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 Galveston is tracking against normal, year to date
Daily High Temperature vs Normal
121 of 259 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 · Galveston is 5.20" behind the normal pace
Period Review — Aug 26 – Sep 25, 2026
Any window, evaluated against every other year on record — 31 days
Average Temperature by Year — Aug 26 – Sep 25
1874–2024 · 2026 highlighted · trend +0.16° per decade (warming since 1874)
Precipitation by Year — Aug 26 – Sep 25
1871–2024 · 2026 highlighted · trend +0.15" per decade (wetter since 1871)