Austin, Texas Weather in September
United States · September climate averages and travel tips
Avg high33°C (92°F)
Avg low21°C (71°F)
Rainfall82 mm (3.2 in)
RatingFair 6/10
In September, Austin has average highs of 33°C (92°F) and lows of 21°C (71°F). September is autumn (fall) in United States. The month is moderately rainy, with about 82 mm (3.2 in) of rain spread over 9 days, making it the third wettest month of the year. You get roughly 12.2 hours of daylight and a mix of sun and cloud.
Is September a good time to visit Austin?
September is a fair time to visit Austin (6/10) mainly because of the heat. For better weather, go in February to April and November to December.
September weather at a glance
| Average high | 33°C (92°F) |
|---|---|
| Average low | 21°C (71°F) |
| Daily mean | 27°C (80°F) |
| Rainfall | 82 mm (3.2 in) |
| Rainy days (1 mm+) | 9 |
| Humidity | 65% |
| Cloud cover | 41% |
| Daylight | 12.2 hours |
| Est. sunshine | 7.9 hours/day |
| Wind | 8.3 km/h |
| vs August | 4°C cooler than August, with 25 mm more rain. |
What to pack for Austin in September
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
- swimwear
Austin weather in other months
Jan16°C / 4°C57 mmExcellentFeb19°C / 6°C38 mmExcellentMar24°C / 10°C68 mmExcellentApr27°C / 14°C68 mmExcellentMay31°C / 19°C125 mmFairJun35°C / 23°C62 mmFairJul36°C / 24°C56 mmFairAug37°C / 25°C57 mmFairSep33°C / 21°C82 mmFairOct29°C / 15°C86 mmExcellentNov22°C / 10°C46 mmExcellentDec18°C / 6°C44 mmExcellent
← AugustBest time to visit AustinOctober →
Better weather in September nearby
- San Francisco, California24°C · 4 mm · Excellent
- Seattle, Washington21°C · 62 mm · Excellent
- Denver, Colorado29°C · 35 mm · Excellent
- Calgary20°C · 49 mm · Excellent
- Edmonton19°C · 41 mm · Excellent
- Toronto22°C · 62 mm · Excellent
Nearby in September
- San Antonio, Texas34°C · 80 mm
- Houston, Texas33°C · 104 mm
- Fort Worth, Texas33°C · 80 mm
- Dallas, Texas33°C · 73 mm
- Monterrey29°C · 117 mm
- New Orleans, Louisiana30°C · 136 mm
Where else is good in September? See where to go in September.