Weather in Houston, Texas, United States in September
In an average September, Houston sees a daily high around 90°F and a low around 71°F, based on 1981–2026 of local climate records.
| Average high | 90°F |
|---|---|
| Typical high range | 83°F to 98°F |
| Average low | 71°F |
| Typical low range | 63°F to 76°F |
| Average daily precipitation | 0.20 in |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
113°F
2000-09-04
Lowest
66°F
1985-09-30
Low
Highest
82°F
2000-09-05
Lowest
45°F
1983-09-22
Feels-like
Highest
152°F
2023-09-08
Lowest
41°F
1983-09-22
Humidity
Highest
24.5 g/m³
2002-09-19
Lowest
7.2 g/m³
1999-09-22
Wind
Highest
34 mph
2008-09-12
Lowest
3 mph
2006-09-11
Precip
Wettest
11.08 in
1998
Driest
1.25 in
2025
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