Austin in september: average Weather, Temperature and Climate
Weather in Austin in september 2025
The weather in Austin in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
74°F
Clear/Sunny
39% of time
20%
19%
12%
Weather at 12pm
88°F
Clear/Sunny
42% of time
26%
17%
10%
Weather at 6pm
86°F
Clear/Sunny
43% of time
26%
17%
9%
Weather at 3am
74°F
44%
21%
16%
10%
Evolution of daily average temperature and precipitation in Austin in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Austin in september.
The climate of Austin in september is good
the weather in Austin in september is wet (with 5.9in of rainfall over 7 days). The weather's not getting better compared to the previous month since in august there is an average of 3.9in of rainfall over 5 days.
The climate is very hot in that locality in september. The thermometer averaged maximum of 92°F. The seasonal minimum is 74°F. Thus, the mean temperature average in september in Austin is 83°F. Note that these seasonal averages are in contrast with those observed in Austin in september with a maximum record of 106°F in 2021 and a minimum record of 54°F in 2010. You can plan to have about 24 days with temperatures above 86°F, or 80 of time.
In september in Austin, the days on average last 12:21. Sunrise is at 06:15 and sunset is at 18:36.
With a good weather, the month of september is a good month to go in this city in United States.
Seasonal average climate and temperature of Austin in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 92°F | ||||
| Lowest temperature | 74°F | ||||
| Highest record temperature | 106°F (2021) | ||||
| Lowest record temperature | 54°F (2010) | ||||
| Number of days at +86°F | 24 day(s) (80%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 74°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.9in | ||||
| Number of days with rainfall | 7 day(s) (25%) | ||||
| Record daily rainfall | 6.4in (2010) | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.18km | ||||
| Cloud cover | 31% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:15 | ||||
| Time of sunset | 18:36 | ||||
| Length of day | 12:21 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Austin in september 2024:
79°F to 92°F
77°F to 94°F
77°F to 92°F
72°F to 90°F
72°F to 86°F
76°F to 92°F
76°F to 92°F
70°F to 88°F
68°F to 88°F
70°F to 92°F
74°F to 86°F
76°F to 94°F
74°F to 95°F
79°F to 99°F
77°F to 99°F
77°F to 97°F
76°F to 101°F
76°F to 95°F
77°F to 99°F
77°F to 99°F
76°F to 95°F
76°F to 97°F
77°F to 88°F
72°F to 95°F
76°F to 92°F
72°F to 92°F
67°F to 92°F
70°F to 95°F
68°F to 95°F
68°F to 97°F
Map: other cities in the United States (USA) in september
Cities near Austin:
| San Antonio (Texas) in september | good weather |
| Waco (Texas) in september | good weather |
| Houston in september | good weather |
| Corpus Christi in september | good weather |
| Port Aransas in september | good weather |
| Dallas in september | good weather |
| Galveston in september | tolerable weather |
| McAllen in september | good weather |
| South Padre Island in september | good weather |
| Odessa in september | good weather |
| Big Bend National Park (Texas) in september | perfect weather |
| Louisiana in september | good weather |
Click over cities on the map for information about the weather in september.
Austin
perfect weather
good
tolerable
bad
very bad
Weather data for Austin in september:
Weather data for Austin for september are derived from an average of the weather forecast since 2009 in Austin. There is a margin of error and these forecasts are to be considered as general information only. The weather in Austin can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Austin.