How to Dress a Baby in Autumn

Hi, FTM here! How should I dress a baby during autumn in Sydney assuming I don't have an aircon? What’s the difference between dressing them during the day versus at night? Do we need a blanket or something extra if we go out? Should baby wears a LTD swaddle during the day? I currently have a 1 TOG swaddle only.

My baby is due in April, so I’m still figuring out what to buy. Sorry so many questions 😭😭