Weather in Houston in September
September in Houston is a hot month. Plan the serious walking for morning. The rest of the day wants shade and a slower pace.
In United States, this is how Houston actually wears September, not how a country centroid would. Compared with August and January, September sits in the middle of Houston's year.
- Average temp
- 27°C
21–32°C
- Rainfall
- 110 mm
Showers likely
- Sunshine
- —
- Wind
- 10 km/h
What to expect
Daytime
Hot days in Houston. Ruins, markets and hills are a morning job. Midday sightseeing is how people remember September for the wrong reason.
Nights stay warm. Air-con, if you can get it, is part of the brief. A jumper for September in Houston is almost always a waste of bag space.
Rain
September is a wetter month in Houston. Showers are part of the deal, not a spoiled surprise.
Waterproof shoes matter more than a rain plan for a beach, especially if a beach is not why you came. Build indoor hours into the afternoon.
Evening
Evenings stay warm.
What to pack
Sun protection
Rain jacket
A layer for cooler evenings
Where to stay in Houston
Dates are a starting point for September.
Travel guides for Houston
What to read before you book.
Average weather in Houston
TemperatureRainfall
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FAQs about Houston
Climate averages for Houston, 1991–2020.
The best time to visit Houston is between March and June, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 29°C.
June is the wettest month, with about 151 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
