Canada · 1991–2020 normal

Waterdown in
September.

Typical September weather in Waterdown: 23°C by day, 11.4°C at night, 65 mm of rain over 6.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high23°C
Typical low11.4°C
Rain65 mm
Wet days6.2

Comfort score 83 this month (August leads the year at 85). Daylight is calculated as 12 h 27 from latitude 43.33°. Open-water sea temperature is 19.0°C (21 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 6176722
NOAA station
CA006153301 · HAMILTON RBG CS
Station distance
4.6 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.