Weather in Austin, Texas, United States in September
In an average September, Austin sees a daily high around 91°F and a low around 70°F, based on 1981–2026 of local climate records.
| Average high | 91°F |
|---|---|
| Typical high range | 83°F to 99°F |
| Average low | 70°F |
| Typical low range | 62°F to 75°F |
| Average daily precipitation | 0.10 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
2000-09-05
Lowest
67°F
1985-09-30
Low
Highest
83°F
2000-09-01
Lowest
46°F
1983-09-22
Feels-like
Highest
143°F
2023-09-24
Lowest
39°F
1985-09-30
Humidity
Highest
23.8 g/m³
2010-09-08
Lowest
4.6 g/m³
2011-09-06
Wind
Highest
29 mph
1998-09-11
Lowest
5 mph
1990-09-14
Precip
Wettest
8.48 in
2018
Driest
0.40 in
1999
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