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It is difficult to see from the image, but I believe these may be millipedes in your soil.

Millepedes pose no problem, but you will want to remove them from the pot in your home.
Allow the soil to dry and pick out the pests. Spray the soil with an insecticide, follow the package instructions.

Check under the pot, where the conditions may be damp.

https://www.gardeningknowhow.com/houseplants/hpgen/common-bugs-and-pests-on-houseplants.htm

1/4 inch with nodes facing up.

Your growing zone is 9a.
The Hawiian Ti Plant is outdoor hardy in zones 10-11.
You could grow outdoors in containers and move to an indoor or protected area during the winter months.

https://www.gardeningknowhow.com/houseplants/ti-plant/growing-hawaiian-ti-plant-indoors.htm

When growing Ti plant outdoors, give it some shade from the hot afternoon sun. Keep the soil moist, but not wet for extended periods.

Spring would be the best time to transplant. Avoid the warmest part of the summer to move the plants. It's clear your plants are suffering, so I would just bite the bullet and move them. They will need extra watering while they become established. Make sure the soil is well draining.

These plants require water that is flouride free, as they are sensitive to it. Also they should be fed a well balanced fertilizer once a month. Here is an article that will help: https://www.gardeningknowhow.com/houseplants/ti-plant/growing-hawaiian-ti-plant-indoors.htm

This depends on what you are planting and what hardiness zone you live in. Autumn is an excellent time to plant some bulbs, perennials, shrubs and trees