Most Filipino homes start decorating for Christmas on September 1 — the first of the Ber months — which makes the Philippines home to one of the longest Christmas seasons anywhere. In practice, though, decorating happens in stages, and the households that pace it out get four months of use instead of four weeks.
September: The Neutral Layer
Start with pieces that read festive but not literal — warm metallics, textured wall décor, a change of throw pillows. Nothing that says "Christmas" outright.
This layer stays up until January, which is why it should be the part you actually like.

October: Parol and Lights
This is when most subdivisions and condo lobbies switch on. Hang your parol and string lights now, while stock is still deep and you can choose rather than settle.
Check your mounting points first. Concrete hollow block walls need a masonry anchor, not an adhesive hook.
November: Tree and Table
The tree, the wreath, the table centerpiece. November gives you three to four weeks of enjoyment before hosting starts.
Time it before the mid-month retail rush if you want a full range of sizes.

December: The Final Layer
By December 16, Simbang Gabi begins and the nine dawn masses run through the 24th. Homes get more foot traffic in these two weeks than the rest of the year.
Finish entryway and dining styling before this point. After the 16th, you want to be hosting, not hanging.
One Rule that Saves You in January
Whatever you put up, plan how it comes down. Keep the neutral September layer permanent and treat the red-and-green layer as removable, and your January reset takes an afternoon rather than a weekend.
People Also Ask
Not by local convention. September 1 marks the start of the Ber months and most Filipino households begin some form of decorating then, usually starting with neutral pieces rather than full Christmas decor.
Late October to mid-November is the most common window. This gives four to six weeks of use before Christmas Eve without competing with the December retail rush.
Many Filipino homes keep decorations up until the Feast of the Three Kings in early January. Planning a permanent neutral layer and a removeable festive layer makes that takedown much faster.