Houston Weather September 2025. Get the monthly weather forecast for houston, tx, including daily high/low, historical averages, to help you plan ahead. Houston (united states) weather in september 2025 ☀️ accurate weather forecast for houston in september ⛅ detailed forecast by month current temperature near.

Please note that the data provided here is considered unofficial. Weather.com brings you the most accurate monthly weather forecast for houston, tx with average/record and high/low temperatures, precipitation and more.