League City averaged 83.7 degrees in September, running 3.5 degrees above normal for the month as a punishing summer refused to let go.
The heat is breaking. A storm system pushing into Southeast Texas on Thursday, Oct. 1, is expected to bring 2 or more inches of rain to the area through the weekend, along with the first significant cool-down in months.
"For the heat weary, there is good news, although it may involve some soggy weather," Galveston County Daily News meteorologist Stan Blazyk wrote in his Sept. 30 weather column.
Blazyk reported League City's 83.7-degree average for the month. Across the broader Galveston County area, September averaged 85.1 degrees, making it the third-hottest September on record for the county. Only 2019 (86.0 degrees) and 2023 (85.7 degrees) were hotter.
The rain arriving Thursday is tied to deep moisture flowing from the south and southwest as a cool front approaches from the west. The Houston Chronicle reported that the region faces two rounds of rainfall: the first linked to remnant moisture from former Hurricane Polo, which dissipated over northwestern Mexico on Tuesday night, Sept. 29, and a second surge of tropical moisture from the Gulf of Mexico over the weekend into early next week.
Most of Southeast Texas could see 1 to 3 inches through the main late-week event, according to the Chronicle. Total rainfall over the next seven days could reach 4 to 6 inches along the coast and 2 to 4 inches near and north of Interstate 10.
FOX 26 Houston reported that the biggest flood risk is expected Thursday through Saturday. KPRC rated street flooding as a medium risk and flash flooding as low to medium.
Small craft advisories remain in effect for Galveston Bay and the coast, with wind gusts of 23 to 28 mph and seas of 5 to 7 feet, Blazyk wrote in the same column.
For the first time in the modern era, no hurricanes formed in the Atlantic basin during September, according to FOX 26. The moisture driving this week's rain traces to the Pacific, not the Atlantic.
After the rain subsides, a second cold front is expected to push morning temperatures into the upper 60s in northwestern Galveston County and the low to mid-70s at the coast, Blazyk wrote. Space City Weather reported that a stronger front may arrive during the second week of October, possibly dropping overnight lows into the 60s for the first time this fall.
The Chronicle warned that flooding in underpasses and low-water crossings can be life-threatening. Residents should not drive through standing water.







