Average weather in September in Houston (Texas), United States of America

The average minimum temperature (usually the minimum temperature is noted during the night) in Houston in September is 21.5°C (70.7°F). The amount of rain in September is high with an average of 120mm (4.7in). It rains on average a total of 8 days. The average maximum daytime temperature lies around 32.0°C (89.6°F). If you enjoy looking at a blue sky and love the sun than this is a great time to go to Houston with 235 hours of sun.


So what to wear in September? Visitors traveling to Houston should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages in September

Show in Fahrenheit

Min Temperature 21 °C
Max Temperature 32 °C
Chance of Rain 27%
Precipitation 120mm
Rainy Days 8
Sunshine Hours 235

Where to stay in Houston

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Weather Forecasts for Houston (Texas)

WED Jan 19
26°C | 16°C
Heavy rain

Heavy rain

THU Jan 20
9°C | 5°C
Patchy rain possible

Patchy rain possible

FRI Jan 21
8°C | 4°C
Partly cloudy

Partly cloudy

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Houston.

Our site offers climate and forecast data for almost all countries in the world. Are you going to United States of America? On this website you can find historical weather averages for many cities in United States of America. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.