Weather · Oakville, Canada
Oakville Weather in September
September in Oakville averages 23°C by day and 14°C at night, with about 57mm of rain. That makes it one of the best months to visit.
Avg high
23°C
73°F
Avg low
14°C
57°F
Rainfall
57mm
#9 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Oakville builds it around the season for you.