Hattiesburg, MS
Mississippi · Records since 1893–2026
Records for September 11
🔥 Record High
September 11, 1915
+11° from 89° normal❄ Record Low
September 11, 1924
-18° from 68° normalAll-Time Records — Hattiesburg
First & Last Dates — Hattiesburg
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 |
|---|---|---|
| 🏆 | 100°F | September 11, 1915 |
| 2 | 99°F | September 11, 1963 |
| 3 | 98°F | September 11, 2002 |
| 4 | 98°F | September 11, 1980 |
| 5 | 98°F | September 11, 1909 |
| 6 | 97°F | September 11, 1927 |
| 7 | 97°F | September 11, 1920 |
| 8 | 97°F | September 11, 1911 |
| 9 | 96°F | September 11, 2023 |
| 10 | 96°F | September 11, 1938 |
Top 5 Record Lows — September 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 50°F | September 11, 1924 |
| 2 | 51°F | September 11, 1956 |
| 3 | 51°F | September 11, 1943 |
| 4 | 52°F | September 11, 1969 |
| 5 | 53°F | September 11, 1953 |
Heat Wave Summary — Hattiesburg
threshold: 97°F (90th percentile of historical Jun–Aug highs)Days ≥ 90°F Per Year
1893–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Hattiesburg
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | May 28, 1911 – Jun 18, 1911 | 22 | 104°F (Jun 12) | 101°F | 69°F |
| 2 | Jun 17, 2009 – Jul 5, 2009 | 19 | 104°F (Jul 2) | 100°F | 75°F |
| 3 | Aug 10, 1902 – Aug 27, 1902 | 18 | 103°F (Aug 18) | 100°F | 72°F |
| 4 | Jul 10, 1924 – Jul 25, 1924 | 16 | 104°F (Jul 24) | 99°F | 73°F |
| 5 | Jun 5, 1902 – Jun 20, 1902 | 16 | 103°F (Jun 11) | 100°F | 68°F |
| 6 | Jun 29, 1902 – Jul 13, 1902 | 15 | 103°F (Jul 4) | 100°F | 72°F |
| 7 | Jun 20, 1914 – Jul 3, 1914 | 14 | 106°F (Jun 26) | 100°F | 71°F |
| 8 | Aug 10, 1925 – Aug 23, 1925 | 14 | 103°F (Aug 20) | 100°F | 72°F |
| 9 | Sep 7, 1920 – Sep 20, 1920 | 14 | 99°F (Sep 9) | 98°F | 68°F |
| 10 | Jun 18, 1930 – Jun 30, 1930 | 13 | 105°F (Jun 26) | 101°F | 70°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 (1893–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Since 1893, annual totals have trended
+0.94" per decade,
about +12.5"
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 Hattiesburg is tracking against normal, year to date
Daily High Temperature vs Normal
178 of 250 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 · Hattiesburg is 13.00" ahead of the normal pace
Period Review — Jun 1 – Aug 31, 2026
Any window, evaluated against every other year on record — 92 days
Average Temperature by Year — Jun 1 – Aug 31
1893–2026 · 2026 highlighted
Precipitation by Year — Jun 1 – Aug 31
1894–2025 · 2026 highlighted · trend +0.08" per decade (wetter since 1894)
Warmest Jun 1 – Aug 31 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2023 | 84.8°F |
| 2 | 2011 | 84.3°F |
| 3 | 1897 | 84.2°F |
| 4 | 1902 | 84.0°F |
| 5 | 2024 | 84.0°F |
| 6 | 1901 | 83.8°F |
| 7 | 1934 | 83.6°F |
| 8 | 2025 | 83.5°F |
| 9 | 1998 | 83.4°F |
| 10 | 2026 | 83.4°F |
Coolest Jun 1 – Aug 31 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1989 | 77.3°F |
| 2 | 1961 | 78.4°F |
| 3 | 1946 | 78.9°F |
| 4 | 1974 | 78.9°F |
| 5 | 1976 | 79.0°F |
| 6 | 1950 | 79.1°F |
| 7 | 1992 | 79.2°F |
| 8 | 1895 | 79.4°F |
| 9 | 1916 | 79.5°F |
| 10 | 1942 | 79.6°F |