Houston - Recent September Temperatures and Rainfall





The numbers here describe what the September weather in Houston, 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 Houston had wet weather.

The climate data come from weather measurements made at the William P. Hobby Airport near downtown Houston.

Temperature Weather iconTemperature

September temperature averages by year in Houston
High °F Low °F Year High °C Low °C
90 73 2021 32 23
90 75 2020 32 24
92 77 2019 33 25
87 75 2018 31 24
91 73 2017 33 23
91 75 2016 33 24
88 73 2015 31 23
88 74 2014 31 23
91 75 2013 33 24
88 71 2012 31 21
94 72 2011 34 22
89 74 2010 32 23
Number of days in September when the temperature in Houston rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2021 30 18
2020 30 19
2019 30 25
2018 30 13
2017 30 22
2016 30 22
2015 30 17
2014 30 14
2013 30 22
2012 30 9
2011 30 27
2010 30 15

Rainy Weather iconRain

This table gives the total precipitation that fell on Houston 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 Houston
Days Year Inches Milli­metres
13 2021 7.6 193
12 2020 13.1 332
8 2019 11.5 292
20 2018 8.3 210
5 2017 3.8 97
11 2016 2.3 59
12 2015 4.5 113
11 2014 5.0 127
10 2013 6.0 151
8 2012 4.0 101
6 2011 1.7 42
12 2010 6.6 168
Reference

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

Houston - Recent Years
Houston - Extremes
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