Pittsburgh - Recent September Temperatures and Rainfall





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

The climate data come from weather measurements made at Pittsburgh International Airport.

Temperature Weather iconTemperature

September temperature averages by year in Pittsburgh
High °F Low °F Year High °C Low °C
76 57 2021 24 14
75 54 2020 24 12
80 58 2019 27 15
78 62 2018 26 16
77 56 2017 25 13
80 59 2016 27 15
80 59 2015 27 15
75 54 2014 24 12
74 54 2013 24 12
74 53 2012 23 12
74 57 2011 23 14
76 55 2010 25 13
Number of days in September when the temperature in Pittsburgh rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2021 27 0
2020 23 0
2019 30 1
2018 23 4
2017 22 2
2016 28 0
2015 27 5
2014 22 0
2013 22 1
2012 21 0
2011 20 2
2010 20 3

Rainy Weather iconRain

This table gives the total precipitation that fell on Pittsburgh 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 Pittsburgh
Days Year Inches Milli­metres
8 2021 3.9 100
8 2020 0.9 23
6 2019 5.3 136
13 2018 8.5 216
7 2017 0.6 15
10 2016 3.1 78
9 2015 5.1 129
7 2014 1.0 25
7 2013 2.3 59
13 2012 4.8 122
18 2011 3.7 95
11 2010 3.3 83
Reference

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

Pittsburgh - Recent Years
Pittsburgh - Extremes
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