Toronto - Recent September Temperatures and Rainfall

The numbers here describe what the September weather in Toronto, Ontario Canada 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 Toronto had wet weather.

The climate data come from weather measurements made in downtown Toronto.

Temperature Weather iconTemperature

September temperature averages by year in Toronto
High °F Low °F Year High °C Low °C
74 59 2023 23 15
72 58 2022 22 14
73 57 2021 23 14
71 56 2020 22 13
72 57 2019 22 14
74 60 2018 23 16
75 58 2017 24 15
76 60 2016 24 15
76 60 2015 24 16
71 55 2014 22 13
69 54 2013 21 12
71 55 2012 22 13
72 59 2011 22 15
70 56 2010 21 13
Number of days in September when the temperature in Toronto rose to at least 21 or 32 degrees Celsius
Year 21 °C
70 °F
32 °C
90 °F
2023 20 1
2022 18 0
2021 22 0
2020 15 0
2019 20 0
2018 18 1
2017 19 0
2016 23 1
2015 23 1
2014 19 0
2013 12 0
2012 13 0
2011 19 0
2010 9 0

Rainy Weather iconRain

This table gives the total precipitation that fell on Toronto during September in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.254 millimeters (0.01 inches) or more.

Total rainfall for September in Toronto
Days Year Inches Milli­metres
4 2023 0.5 12
7 2022 2.4 61
14 2021 5.5 139
16 2020 1.9 49
9 2019 1.4 36
8 2018 2.5 64
5 2017 1.1 27
6 2016 2.5 64
10 2015 2.4 61
10 2014 3.6 90
7 2013 2.0 51
17 2012 4.7 120
9 2011 3.7 95
8 2010 3.0 77
Reference

Environment and Climate Change Canada. Historical Climate Data. Historical Data

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

Toronto - Recent Years
Toronto - Extremes
Back to Top