Indianapolis - Recent September Temperatures and Rainfall





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

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

Temperature Weather iconTemperature

September temperature averages by year in Indianapolis
High °F Low °F Year High °C Low °C
80 63 2018 27 17
81 59 2017 27 15
81 62 2016 27 16
81 60 2015 27 16
76 55 2014 24 13
80 59 2013 27 15
74 56 2012 24 13
75 57 2011 24 14
83 58 2010 28 15
Number of days in September when the temperature in Indianapolis rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2018 25 8
2017 27 6
2016 27 1
2015 27 7
2014 23 1
2013 26 3
2012 22 0
2011 15 4
2010 29 5

Rainy Weather iconRain

This table gives the total precipitation that fell on Indianapolis 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 Indianapolis
Days Year Inches Milli­metres
7 2018 5.5 139
5 2017 0.7 17
11 2016 4.7 119
6 2015 1.7 43
7 2014 2.5 64
6 2013 2.9 73
12 2012 7.7 196
14 2011 5.4 136
5 2010 0.6 14
Reference

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

Indianapolis - Recent Years
Indianapolis - Extremes
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