Requesting something autumn related, like roasting sweet potatoes, playing with a leaf blower or adult Haruhi in some fall fashion.
Or pick one of these prompts, there's lots this month.
2nd Tights day
7th Nice belly day
12th Nice Hips day
15th Kimono day
22nd Nice twintails day
23rd Gloves day
25th Office lady day/Nice smile day
28th Nice knee highs day