Canadian citizens who are abroad this election season can still vote by mail before September 14.
If you are age 18 or older by September 20, you can vote in the Canadian election even if you are not in your riding. You just have to apply on the Elections Canada website or by mail before Tuesday, September 14, at 6 p.m. Eastern Time. Voters in Canada may be able to contact their local election office before 6 p.m. local time, but if you are outside the country you are beholden to the deadline in Ottawa.
The general rule of thumb for voting by mail is to get your vote in as quickly as possible. If Elections Canada receives your vote after voting day, by law they cannot count it.
It is a three step process for Canadians who are voting from another country.
Step 1: Register
The first step is to apply to vote by mail, and get on the International Register of Electors. Canadian embassies, high commissions or consulates do not process applications or voting kits, but they may print off the application form if you are applying to vote by mail.
In order to register to vote, you need to submit ID showing that you are old enough, have citizenship status, and have ever had a Canadian address. For Canadians voting from abroad they ask for your passport, Canadian citizenship certificate or card, or Canadian birth certificate. You do not need to still be a resident of Canada, as long as you have citizenship status it is fine if you have lived in Canada at some point in your life.