Peterborough · Canada
Weather in Peterborough in September
In September the typical daytime high in Peterborough is 21.5 °C on average, from 24.2 °C at the start to 18.3 °C at the end of the month.
The last 10 years were 1.4 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Toronto, 112 km away.