Austin - Recent September Temperatures and Rainfall





The numbers here describe what the September weather in Austin, Texas was like for every year since 2010. A series of tables gives September data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each September. Then there's information on how much rain actually landed this month during recent years, as well as how often Austin had wet weather.

The climate data come from weather measurements made at Camp Mabry.

Temperature Weather iconTemperature

September temperature averages by year in Austin
High °F Low °F Year High °C Low °C
96 70 2021 35 21
87 69 2020 31 21
100 76 2019 38 25
89 72 2018 32 22
90 70 2017 32 21
92 73 2016 34 23
95 72 2015 35 22
91 71 2014 33 22
95 72 2013 35 22
91 69 2012 33 21
99 70 2011 37 21
90 71 2010 32 22
Number of days in September when the temperature in Austin rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2021 30 26
2020 29 15
2019 30 30
2018 30 13
2017 30 19
2016 30 24
2015 30 29
2014 29 18
2013 30 26
2012 30 19
2011 30 30
2010 30 17

Rainy Weather iconRain

This table gives the total precipitation that fell on Austin during September in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for September in Austin
Days Year Inches Milli­metres
3 2021 1.8 45
8 2020 6.0 151
4 2019 0.6 16
18 2018 8.0 202
5 2017 2 51
7 2016 2.1 53
4 2015 1.9 48
12 2014 7.0 177
14 2013 5.8 148
5 2012 5.7 145
2 2011 0.2 5
11 2010 13.2 335
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Austin - Recent Years
Austin - Extremes
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