Typical September weather
Houston
Texas · September
90° days
71° nights
about 6 rainy days · 12½ hours of daylight
What to pack
- Umbrella
- Swimsuit
- Sunscreen
What September feels like
The historic peak of storm season, which is why September here comes with a habit rather than a mood: you check the tropics, you keep a plan, you go about your week. The heat holds all month and the first front is still weeks out.
Expect about 6 days with real rain — enough to notice, not enough to plan around. It’s sticky — light fabrics and an afternoon break earn their keep. about 18 afternoons top 90°.
The numbers
| Typical high | 90° |
|---|---|
| Typical low | 71° |
| Days with real rain | 6 |
| Total rain | 4.7 in |
| Humidity | sticky |
| Sunrise / sunset (mid-month) | 7:06 am / 7:26 pm |