Hamilton Weather September
Hamilton is located in humid continental climate zone that is known for significant seasonal temperature variations warm or even hot summer and cold winter with roughly similar amounts of rainfall.
To help you choose the best time to travel, you can find climate data below on the weather in Hamilton in September.
|average daily high||+21.1°C|
|average daily low||+11.4°C|
|sunny / overcast hours||5.9 / 7|
|average monthly precipitation||81 mm|
Temperature in Hamilton
In September the average daily maximum in Hamilton is +21.1°C, and the minimum +11.4°C.
The hottest September day on record is +37.8°C, and the coldest -3.9°C.
Best beach resorts in September:
There are 12.9 hours of daylight in Hamilton in September. Out of these, on average 5.9 are sunny, which means it is mostly cloudy.
The average monthly temperature in Lake Ontario on the beaches of Hamilton in September is +20.1°C.
The water is warm enough for most people to bathe in, however a majority would still consider it too cool.
The amount of precipitation in Hamilton in September is usually 81 mm, which may cause a change of plans on certain days.