Definitely need to up the exercise the closer you are to ideal weight, because as PP has said, your BMR is is much lower so its really hard to get a calorie deficit
Like the PP, I have outdoor wear for these dark days. I have a beanie with a really good light on it, I have fluorescent snap bands that I attach to wrists and ankles, a florescent waistcoat to put over my coat and away I go - lit up like a bloomin Christmas tree :) But I live rural, no street lights and no pavements so I need to be seen. I wrap up warm if its cold, I have a full length waterproof to go over everything if its wet and I make sure my walking shoes are waterproofed Id rather do 5k out in the weather then on a treadmill, makes me feel so much better getting out
Make your meals more comforting. its the season for soups and stews and curries and the like. Big bowl of porridge in the mornings with piles of fresh fruit on top for the sweetness.. Ive made a really lovely saucepan of dhal packed with flavour and spinach, I was hungry there about 30 mins ago, instead of finding a biscuit I had a small bowl of that. I also like a yoghurt with fruit and oats, I add enough oats that I have a stodgy mess which I need to chew, and add chopped satsumas, grapes, kiwi and sit and eat that , surprisingly nice and oh so filling. Snack dont need to be cakes, biscuits, nuts, chocolate, it can be a soft boiled egg and a slice of wholemeal toast cut into soldiers to dip , of some lighter cheese and pickles. If Im having a wee drink I like to make up cocktail stick with a tiny silverskin onion. a wee cube low fat feta and a piece of ham and a grape . Just weigh the cheese and the smaller you cube it, the more sticks you get :)
And most importantly, keep the fluids up.
Dont let this blip derail you. You have worked so hard to get to this point, be proud of that and keep in mind where you want to be