| National Weather Service | Dallas/Fort Worth |
| 1st | 1940 - The downtown weather observation office Dallas was consolidated with the Love Field office. 1937 - The forecast office was moved from Love Field Dallas to Meacham Field Fort Worth. The observation branch remained at Love Field. 1898 - The Weather Bureau opened a weather office downtown Fort Worth. |
| 2nd | 1951 - High temperature of 107°F in Dallas tied the record high for the month of September. |
| 3rd | 1934 - The first significant rain in 5 months fell across North Texas. |
| 4th | 1932 - On the 4th and 5th, Fort Worth received its greatest 24 hour rainfall of 9.57". 5.59" of it fell only 2 hours. |
| 5th | 1910 - Flash flooding across Comanche County resulted 13 drownings. |
| 6th | 1967 - Bonham received 7.15" of rain. |
| 7th | 1962 - Severe thunderstorms caused wind damage Cleburne. |
| 8th | 1921 - From the 8th through the 10th, 215 people drowned the worst rainstorm Texas history. 1900 - On the 8th and 9th, the great Galveston hurricane killed 6,000 to 8,000 people. This was the worst natural disaster U.S. history terms of fatalities. |
| 9th | 1921 - Thrall reported 36.4" of rain in 18 hours. |
| 10th | 1955 - A severe thunderstorm produced wind gusts to 67 mph at Meacham Field Fort Worth, damaging some airplanes. |
| 11th | 1961 - Matagorda and Port Lavaca had sustained winds of 145 mph association with Hurricane Carla. This was the highest sustained wind on record Texas. 1950 - A severe thunderstorm in Fort Worth produced wind gusts to 58 mph. |
| 12th | 1961 - Waco recorded their lowest sea level pressure on record, 28.91"Hg. |
| 13th | 1918 & 1905 - Fort Worth recorded their last yearly occurrence with a high of 100 degrees or more. |
| 14th | 1960 - The Fort Worth Weather Office assumed responsibility for issuing public forecasts. |
| 15th | 1928, 1920 & 1918 - Waco recorded their last yearly occurrence of a high of 95 degrees or more. |
| 16th | 1951 - High temperature of 107°F Dallas tied the record for the month of September. 1875 - First Indianola hurricane partially destroyed the town, killing 176 people. |
| 17th | 1988 - Severe thunderstorm hit Denton with wind gusts to 70 mph. |
| 18th | 1955 - On the 18th and 19th, "the best rain in 5 years" fell across North Texas. 3" to 9" of rain fell across the area from Tarrant County to Eastland and Erath Counties. |
| 19th | 1950 - 3" to 5" of rain fell Fort Worth, causing major flooding parts of the city. |
| 20th | 1967 - 67 tornadoes occurred across the state association with Hurricane Beulah. This was the most tornadoes any 24 hour period Texas. |
| 21st | 1900 - On the 20th and 21st, 7" of rain fell overnight Fort Worth, resulting a 20 foot rise the Trinity River. |
| 22nd | 1983 - Bridgeport, McKinney and Weatherford recorded morning low temperatures the 30s. |
| 23rd | 2000 - At 5 minutes to midnight, DFW Airport received 0.01" of rain ending the longest measurable rain-free period on record. The new record, 84 days, began Jul. 1st. It eclipsed the old record of 58 days set from Nov. 4th to Dec. 31st, 1950. An additional 0.16" of rain fell on Sep. 24th, 2000. 1966 - The River Forecast Center moved into the federal building downtown Fort Worth, adjacent to the public forecast office. |
| 24th | 1984 - This was the last yearly occurrence of a high of 95°F or more Waco. |
| 25th | 1896 - Waxahachie received 2.5" of rain. |
| 26th | 1972 - Tornado destroyed 9 mobile homes Saginaw, injuring one person. |
| 27th | 1977 - High temperature of 106°F in Waco was the hottest ever for so late the year. 1942 - Low temperature of 40°F in Fort Worth tied a record for the month of September. The low temperature of 39 degrees Waco set the record for the month of September. |
| 28th | 1953 - Dublin had a high of 109°F. 1908 - Low temperature of 40°F Fort Worth tied the record for the month of September. 1900 - Heavy rain caused the Trinity River Fort Worth to rise to a height of 35 feet, and was over one mile wide. |
| 29th | 1953 - Dallas had a high of 100°F. |
| 30th | 1926 - Dallas Weather Bureau Office moved to the new cotton exchange building. |
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