We're in mid October and that is the end of season for your garden..
Nature is soon about to go for a winter sleep, like that hedgehog from a photo above.
Barbeques and all your garden furniture soon has to find it's space in a garage or other storage to keep it away from destructive winter forces..
Apart from clearing leaves off your lawn you probably don't think there's anything else worth doing at the moment.
I actually think it is a very good time to have a closer look at your garden and see if there's anything in need of repair or improvement.
What is it you should look at?
Assuming you have sorted out everything with regards to greenery in your garden like:
hedges and shrubs trimmed, perennials cut back, diseased plant/ branches removed, lawn mowed for the last time
You now have to look further..
Check retaining brick walls for damage/loose/missing bricks
Check and replace or improve your garden lawn edging
Check loose/cracked/wobbly patio slabs and replace if neccessary
Have a look at your fences in particular fence posts. Winter's rather windy so before they get knocked down you might want to replace them
Could be a good time to give your paths a good scrub if they are mossy - always better to prevent any slips and falls.
Clear out compost bins if of course compost is ready
Autumn's the best time for transplanting and planting new shrubs / trees / evergreens / perennials giving them enough time to establish good root system