Weather · Hamilton, Canada
Hamilton Weather in September
Expect mild, some rain in Hamilton through September: highs near 22°C, lows around 14°C, 71mm of rain across the month. It's one of the best months to visit.
Avg high
22°C
72°F
Avg low
14°C
57°F
Rainfall
71mm
#7 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Hamilton builds it around the season for you.